doc/src/sgml/html/features-sql-standard.html


1
2
3
4

<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>D.1. Supported Features</title><link rel="stylesheet" type="text/css" href="stylesheet.css" /><link rev="made" href="pgsql-docs@lists.postgresql.org" /><meta name="generator" content="DocBook XSL Stylesheets Vsnapshot" /><link rel="prev" href="features.html" title="Appendix D. SQL Conformance" /><link rel="next" href="unsupported-features-sql-standard.html" title="D.2. Unsupported Features" /></head><body id="docContent" class="container-fluid col-10"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center">D.1. Supported Features</th></tr><tr><td width="10%" align="left"><a accesskey="p" href="features.html" title="Appendix D. SQL Conformance">Prev</a> </td><td width="10%" align="left"><a accesskey="u" href="features.html" title="Appendix D. SQL Conformance">Up</a></td><th width="60%" align="center">Appendix D. SQL Conformance</th><td width="10%" align="right"><a accesskey="h" href="index.html" title="PostgreSQL 16.3 Documentation">Home</a></td><td width="10%" align="right"> <a accesskey="n" href="unsupported-features-sql-standard.html" title="D.2. Unsupported Features">Next</a></td></tr></table><hr /></div><div class="sect1" id="FEATURES-SQL-STANDARD"><div class="titlepage"><div><div><h2 class="title" style="clear: both">D.1. Supported Features <a href="#FEATURES-SQL-STANDARD" class="id_link">#</a></h2></div></div></div><p>
    </p><div class="informaltable"><table class="informaltable" border="1"><colgroup><col class="col1" /><col class="col2" /><col class="col3" /><col class="col4" /></colgroup><thead><tr><th>Identifier</th><th>Core?</th><th>Description</th><th>Comment</th></tr></thead><tbody><tr><td>B012</td><td> </td><td>Embedded C</td><td> </td></tr><tr><td>B021</td><td> </td><td>Direct SQL</td><td> </td></tr><tr><td>B128</td><td> </td><td>Routine language SQL</td><td> </td></tr><tr><td>E011</td><td>Core</td><td>Numeric data types</td><td> </td></tr><tr><td>E011-01</td><td>Core</td><td>INTEGER and SMALLINT data types</td><td> </td></tr><tr><td>E011-02</td><td>Core</td><td>REAL, DOUBLE PRECISION, and FLOAT data types</td><td> </td></tr><tr><td>E011-03</td><td>Core</td><td>DECIMAL and NUMERIC data types</td><td> </td></tr><tr><td>E011-04</td><td>Core</td><td>Arithmetic operators</td><td> </td></tr><tr><td>E011-05</td><td>Core</td><td>Numeric comparison</td><td> </td></tr><tr><td>E011-06</td><td>Core</td><td>Implicit casting among the numeric data types</td><td> </td></tr><tr><td>E021</td><td>Core</td><td>Character data types</td><td> </td></tr><tr><td>E021-01</td><td>Core</td><td>CHARACTER data type</td><td> </td></tr><tr><td>E021-02</td><td>Core</td><td>CHARACTER VARYING data type</td><td> </td></tr><tr><td>E021-03</td><td>Core</td><td>Character literals</td><td> </td></tr><tr><td>E021-04</td><td>Core</td><td>CHARACTER_LENGTH function</td><td>trims trailing spaces from CHARACTER values before counting</td></tr><tr><td>E021-05</td><td>Core</td><td>OCTET_LENGTH function</td><td> </td></tr><tr><td>E021-06</td><td>Core</td><td>SUBSTRING function</td><td> </td></tr><tr><td>E021-07</td><td>Core</td><td>Character concatenation</td><td> </td></tr><tr><td>E021-08</td><td>Core</td><td>UPPER and LOWER functions</td><td> </td></tr><tr><td>E021-09</td><td>Core</td><td>TRIM function</td><td> </td></tr><tr><td>E021-10</td><td>Core</td><td>Implicit casting among the character string types</td><td> </td></tr><tr><td>E021-11</td><td>Core</td><td>POSITION function</td><td> </td></tr><tr><td>E021-12</td><td>Core</td><td>Character comparison</td><td> </td></tr><tr><td>E031</td><td>Core</td><td>Identifiers</td><td> </td></tr><tr><td>E031-01</td><td>Core</td><td>Delimited identifiers</td><td> </td></tr><tr><td>E031-02</td><td>Core</td><td>Lower case identifiers</td><td> </td></tr><tr><td>E031-03</td><td>Core</td><td>Trailing underscore</td><td> </td></tr><tr><td>E051</td><td>Core</td><td>Basic query specification</td><td> </td></tr><tr><td>E051-01</td><td>Core</td><td>SELECT DISTINCT</td><td> </td></tr><tr><td>E051-02</td><td>Core</td><td>GROUP BY clause</td><td> </td></tr><tr><td>E051-04</td><td>Core</td><td>GROUP BY can contain columns not in &lt;select list&gt;</td><td> </td></tr><tr><td>E051-05</td><td>Core</td><td>Select list items can be renamed</td><td> </td></tr><tr><td>E051-06</td><td>Core</td><td>HAVING clause</td><td> </td></tr><tr><td>E051-07</td><td>Core</td><td>Qualified * in select list</td><td> </td></tr><tr><td>E051-08</td><td>Core</td><td>Correlation names in the FROM clause</td><td> </td></tr><tr><td>E051-09</td><td>Core</td><td>Rename columns in the FROM clause</td><td> </td></tr><tr><td>E061</td><td>Core</td><td>Basic predicates and search conditions</td><td> </td></tr><tr><td>E061-01</td><td>Core</td><td>Comparison predicate</td><td> </td></tr><tr><td>E061-02</td><td>Core</td><td>BETWEEN predicate</td><td> </td></tr><tr><td>E061-03</td><td>Core</td><td>IN predicate with list of values</td><td> </td></tr><tr><td>E061-04</td><td>Core</td><td>LIKE predicate</td><td> </td></tr><tr><td>E061-05</td><td>Core</td><td>LIKE predicate ESCAPE clause</td><td> </td></tr><tr><td>E061-06</td><td>Core</td><td>NULL predicate</td><td> </td></tr><tr><td>E061-07</td><td>Core</td><td>Quantified comparison predicate</td><td> </td></tr><tr><td>E061-08</td><td>Core</td><td>EXISTS predicate</td><td> </td></tr><tr><td>E061-09</td><td>Core</td><td>Subqueries in comparison predicate</td><td> </td></tr><tr><td>E061-11</td><td>Core</td><td>Subqueries in IN predicate</td><td> </td></tr><tr><td>E061-12</td><td>Core</td><td>Subqueries in quantified comparison predicate</td><td> </td></tr><tr><td>E061-13</td><td>Core</td><td>Correlated subqueries</td><td> </td></tr><tr><td>E061-14</td><td>Core</td><td>Search condition</td><td> </td></tr><tr><td>E071</td><td>Core</td><td>Basic query expressions</td><td> </td></tr><tr><td>E071-01</td><td>Core</td><td>UNION DISTINCT table operator</td><td> </td></tr><tr><td>E071-02</td><td>Core</td><td>UNION ALL table operator</td><td> </td></tr><tr><td>E071-03</td><td>Core</td><td>EXCEPT DISTINCT table operator</td><td> </td></tr><tr><td>E071-05</td><td>Core</td><td>Columns combined via table operators need not have exactly the same data type</td><td> </td></tr><tr><td>E071-06</td><td>Core</td><td>Table operators in subqueries</td><td> </td></tr><tr><td>E081</td><td>Core</td><td>Basic Privileges</td><td> </td></tr><tr><td>E081-01</td><td>Core</td><td>SELECT privilege</td><td> </td></tr><tr><td>E081-02</td><td>Core</td><td>DELETE privilege</td><td> </td></tr><tr><td>E081-03</td><td>Core</td><td>INSERT privilege at the table level</td><td> </td></tr><tr><td>E081-04</td><td>Core</td><td>UPDATE privilege at the table level</td><td> </td></tr><tr><td>E081-05</td><td>Core</td><td>UPDATE privilege at the column level</td><td> </td></tr><tr><td>E081-06</td><td>Core</td><td>REFERENCES privilege at the table level</td><td> </td></tr><tr><td>E081-07</td><td>Core</td><td>REFERENCES privilege at the column level</td><td> </td></tr><tr><td>E081-08</td><td>Core</td><td>WITH GRANT OPTION</td><td> </td></tr><tr><td>E081-09</td><td>Core</td><td>USAGE privilege</td><td> </td></tr><tr><td>E081-10</td><td>Core</td><td>EXECUTE privilege</td><td> </td></tr><tr><td>E091</td><td>Core</td><td>Set functions</td><td> </td></tr><tr><td>E091-01</td><td>Core</td><td>AVG</td><td> </td></tr><tr><td>E091-02</td><td>Core</td><td>COUNT</td><td> </td></tr><tr><td>E091-03</td><td>Core</td><td>MAX</td><td> </td></tr><tr><td>E091-04</td><td>Core</td><td>MIN</td><td> </td></tr><tr><td>E091-05</td><td>Core</td><td>SUM</td><td> </td></tr><tr><td>E091-06</td><td>Core</td><td>ALL quantifier</td><td> </td></tr><tr><td>E091-07</td><td>Core</td><td>DISTINCT quantifier</td><td> </td></tr><tr><td>E101</td><td>Core</td><td>Basic data manipulation</td><td> </td></tr><tr><td>E101-01</td><td>Core</td><td>INSERT statement</td><td> </td></tr><tr><td>E101-03</td><td>Core</td><td>Searched UPDATE statement</td><td> </td></tr><tr><td>E101-04</td><td>Core</td><td>Searched DELETE statement</td><td> </td></tr><tr><td>E111</td><td>Core</td><td>Single row SELECT statement</td><td> </td></tr><tr><td>E121</td><td>Core</td><td>Basic cursor support</td><td> </td></tr><tr><td>E121-01</td><td>Core</td><td>DECLARE CURSOR</td><td> </td></tr><tr><td>E121-02</td><td>Core</td><td>ORDER BY columns need not be in select list</td><td> </td></tr><tr><td>E121-03</td><td>Core</td><td>Value expressions in ORDER BY clause</td><td> </td></tr><tr><td>E121-04</td><td>Core</td><td>OPEN statement</td><td> </td></tr><tr><td>E121-06</td><td>Core</td><td>Positioned UPDATE statement</td><td> </td></tr><tr><td>E121-07</td><td>Core</td><td>Positioned DELETE statement</td><td> </td></tr><tr><td>E121-08</td><td>Core</td><td>CLOSE statement</td><td> </td></tr><tr><td>E121-10</td><td>Core</td><td>FETCH statement implicit NEXT</td><td> </td></tr><tr><td>E121-17</td><td>Core</td><td>WITH HOLD cursors</td><td> </td></tr><tr><td>E131</td><td>Core</td><td>Null value support (nulls in lieu of values)</td><td> </td></tr><tr><td>E141</td><td>Core</td><td>Basic integrity constraints</td><td> </td></tr><tr><td>E141-01</td><td>Core</td><td>NOT NULL constraints</td><td> </td></tr><tr><td>E141-02</td><td>Core</td><td>UNIQUE constraints of NOT NULL columns</td><td> </td></tr><tr><td>E141-03</td><td>Core</td><td>PRIMARY KEY constraints</td><td> </td></tr><tr><td>E141-04</td><td>Core</td><td>Basic FOREIGN KEY constraint with the NO ACTION default for both referential delete action and referential update action</td><td> </td></tr><tr><td>E141-06</td><td>Core</td><td>CHECK constraints</td><td> </td></tr><tr><td>E141-07</td><td>Core</td><td>Column defaults</td><td> </td></tr><tr><td>E141-08</td><td>Core</td><td>NOT NULL inferred on PRIMARY KEY</td><td> </td></tr><tr><td>E141-10</td><td>Core</td><td>Names in a foreign key can be specified in any order</td><td> </td></tr><tr><td>E151</td><td>Core</td><td>Transaction support</td><td> </td></tr><tr><td>E151-01</td><td>Core</td><td>COMMIT statement</td><td> </td></tr><tr><td>E151-02</td><td>Core</td><td>ROLLBACK statement</td><td> </td></tr><tr><td>E152</td><td>Core</td><td>Basic SET TRANSACTION statement</td><td> </td></tr><tr><td>E152-01</td><td>Core</td><td>SET TRANSACTION statement: ISOLATION LEVEL SERIALIZABLE clause</td><td> </td></tr><tr><td>E152-02</td><td>Core</td><td>SET TRANSACTION statement: READ ONLY and READ WRITE clauses</td><td> </td></tr><tr><td>E153</td><td>Core</td><td>Updatable queries with subqueries</td><td> </td></tr><tr><td>E161</td><td>Core</td><td>SQL comments using leading double minus</td><td> </td></tr><tr><td>E171</td><td>Core</td><td>SQLSTATE support</td><td> </td></tr><tr><td>E182</td><td>Core</td><td>Host language binding</td><td> </td></tr><tr><td>F021</td><td>Core</td><td>Basic information schema</td><td> </td></tr><tr><td>F021-01</td><td>Core</td><td>COLUMNS view</td><td> </td></tr><tr><td>F021-02</td><td>Core</td><td>TABLES view</td><td> </td></tr><tr><td>F021-03</td><td>Core</td><td>VIEWS view</td><td> </td></tr><tr><td>F021-04</td><td>Core</td><td>TABLE_CONSTRAINTS view</td><td> </td></tr><tr><td>F021-05</td><td>Core</td><td>REFERENTIAL_CONSTRAINTS view</td><td> </td></tr><tr><td>F021-06</td><td>Core</td><td>CHECK_CONSTRAINTS view</td><td> </td></tr><tr><td>F031</td><td>Core</td><td>Basic schema manipulation</td><td> </td></tr><tr><td>F031-01</td><td>Core</td><td>CREATE TABLE statement to create persistent base tables</td><td> </td></tr><tr><td>F031-02</td><td>Core</td><td>CREATE VIEW statement</td><td> </td></tr><tr><td>F031-03</td><td>Core</td><td>GRANT statement</td><td> </td></tr><tr><td>F031-04</td><td>Core</td><td>ALTER TABLE statement: ADD COLUMN clause</td><td> </td></tr><tr><td>F031-13</td><td>Core</td><td>DROP TABLE statement: RESTRICT clause</td><td> </td></tr><tr><td>F031-16</td><td>Core</td><td>DROP VIEW statement: RESTRICT clause</td><td> </td></tr><tr><td>F031-19</td><td>Core</td><td>REVOKE statement: RESTRICT clause</td><td> </td></tr><tr><td>F032</td><td> </td><td>CASCADE drop behavior</td><td> </td></tr><tr><td>F033</td><td> </td><td>ALTER TABLE statement: DROP COLUMN clause</td><td> </td></tr><tr><td>F034</td><td> </td><td>Extended REVOKE statement</td><td> </td></tr><tr><td>F035</td><td> </td><td>REVOKE with CASCADE</td><td> </td></tr><tr><td>F036</td><td> </td><td>REVOKE statement performed by non-owner</td><td> </td></tr><tr><td>F037</td><td> </td><td>REVOKE statement: GRANT OPTION FOR clause</td><td> </td></tr><tr><td>F038</td><td> </td><td>REVOKE of a WITH GRANT OPTION privilege</td><td> </td></tr><tr><td>F041</td><td>Core</td><td>Basic joined table</td><td> </td></tr><tr><td>F041-01</td><td>Core</td><td>Inner join (but not necessarily the INNER keyword)</td><td> </td></tr><tr><td>F041-02</td><td>Core</td><td>INNER keyword</td><td> </td></tr><tr><td>F041-03</td><td>Core</td><td>LEFT OUTER JOIN</td><td> </td></tr><tr><td>F041-04</td><td>Core</td><td>RIGHT OUTER JOIN</td><td> </td></tr><tr><td>F041-05</td><td>Core</td><td>Outer joins can be nested</td><td> </td></tr><tr><td>F041-07</td><td>Core</td><td>The inner table in a left or right outer join can also be used in an inner join</td><td> </td></tr><tr><td>F041-08</td><td>Core</td><td>All comparison operators are supported (rather than just =)</td><td> </td></tr><tr><td>F051</td><td>Core</td><td>Basic date and time</td><td> </td></tr><tr><td>F051-01</td><td>Core</td><td>DATE data type (including support of DATE literal)</td><td> </td></tr><tr><td>F051-02</td><td>Core</td><td>TIME data type (including support of TIME literal) with fractional seconds precision of at least 0</td><td> </td></tr><tr><td>F051-03</td><td>Core</td><td>TIMESTAMP data type (including support of TIMESTAMP literal) with fractional seconds precision of at least 0 and 6</td><td> </td></tr><tr><td>F051-04</td><td>Core</td><td>Comparison predicate on DATE, TIME, and TIMESTAMP data types</td><td> </td></tr><tr><td>F051-05</td><td>Core</td><td>Explicit CAST between datetime types and character string types</td><td> </td></tr><tr><td>F051-06</td><td>Core</td><td>CURRENT_DATE</td><td> </td></tr><tr><td>F051-07</td><td>Core</td><td>LOCALTIME</td><td> </td></tr><tr><td>F051-08</td><td>Core</td><td>LOCALTIMESTAMP</td><td> </td></tr><tr><td>F052</td><td> </td><td>Intervals and datetime arithmetic</td><td> </td></tr><tr><td>F053</td><td> </td><td>OVERLAPS predicate</td><td> </td></tr><tr><td>F081</td><td>Core</td><td>UNION and EXCEPT in views</td><td> </td></tr><tr><td>F111</td><td> </td><td>Isolation levels other than SERIALIZABLE</td><td> </td></tr><tr><td>F112</td><td> </td><td>Isolation level READ UNCOMMITTED</td><td> </td></tr><tr><td>F113</td><td> </td><td>Isolation level READ COMMITTED</td><td> </td></tr><tr><td>F114</td><td> </td><td>Isolation level REPEATABLE READ</td><td> </td></tr><tr><td>F131</td><td>Core</td><td>Grouped operations</td><td> </td></tr><tr><td>F131-01</td><td>Core</td><td>WHERE, GROUP BY, and HAVING clauses supported in queries with grouped views</td><td> </td></tr><tr><td>F131-02</td><td>Core</td><td>Multiple tables supported in queries with grouped views</td><td> </td></tr><tr><td>F131-03</td><td>Core</td><td>Set functions supported in queries with grouped views</td><td> </td></tr><tr><td>F131-04</td><td>Core</td><td>Subqueries with GROUP BY and HAVING clauses and grouped views</td><td> </td></tr><tr><td>F131-05</td><td>Core</td><td>Single row SELECT with GROUP BY and HAVING clauses and grouped views</td><td> </td></tr><tr><td>F171</td><td> </td><td>Multiple schemas per user</td><td> </td></tr><tr><td>F181</td><td>Core</td><td>Multiple module support</td><td> </td></tr><tr><td>F191</td><td> </td><td>Referential delete actions</td><td> </td></tr><tr><td>F200</td><td> </td><td>TRUNCATE TABLE statement</td><td> </td></tr><tr><td>F201</td><td>Core</td><td>CAST function</td><td> </td></tr><tr><td>F202</td><td> </td><td>TRUNCATE TABLE: identity column restart option</td><td> </td></tr><tr><td>F221</td><td>Core</td><td>Explicit defaults</td><td> </td></tr><tr><td>F222</td><td> </td><td>INSERT statement: DEFAULT VALUES clause</td><td> </td></tr><tr><td>F231</td><td> </td><td>Privilege tables</td><td> </td></tr><tr><td>F251</td><td> </td><td>Domain support</td><td> </td></tr><tr><td>F261</td><td>Core</td><td>CASE expression</td><td> </td></tr><tr><td>F261-01</td><td>Core</td><td>Simple CASE</td><td> </td></tr><tr><td>F261-02</td><td>Core</td><td>Searched CASE</td><td> </td></tr><tr><td>F261-03</td><td>Core</td><td>NULLIF</td><td> </td></tr><tr><td>F261-04</td><td>Core</td><td>COALESCE</td><td> </td></tr><tr><td>F262</td><td> </td><td>Extended CASE expression</td><td> </td></tr><tr><td>F271</td><td> </td><td>Compound character literals</td><td> </td></tr><tr><td>F281</td><td> </td><td>LIKE enhancements</td><td> </td></tr><tr><td>F292</td><td> </td><td>UNIQUE null treatment</td><td> </td></tr><tr><td>F302</td><td> </td><td>INTERSECT table operator</td><td> </td></tr><tr><td>F303</td><td> </td><td>INTERSECT DISTINCT table operator</td><td> </td></tr><tr><td>F304</td><td> </td><td>EXCEPT ALL table operator</td><td> </td></tr><tr><td>F305</td><td> </td><td>INTERSECT ALL table operator</td><td> </td></tr><tr><td>F311</td><td>Core</td><td>Schema definition statement</td><td> </td></tr><tr><td>F311-01</td><td>Core</td><td>CREATE SCHEMA</td><td> </td></tr><tr><td>F311-02</td><td>Core</td><td>CREATE TABLE for persistent base tables</td><td> </td></tr><tr><td>F311-03</td><td>Core</td><td>CREATE VIEW</td><td> </td></tr><tr><td>F311-04</td><td>Core</td><td>CREATE VIEW: WITH CHECK OPTION</td><td> </td></tr><tr><td>F311-05</td><td>Core</td><td>GRANT statement</td><td> </td></tr><tr><td>F312</td><td> </td><td>MERGE statement</td><td> </td></tr><tr><td>F313</td><td> </td><td>Enhanced MERGE statement</td><td> </td></tr><tr><td>F314</td><td> </td><td>MERGE statement with DELETE branch</td><td> </td></tr><tr><td>F321</td><td> </td><td>User authorization</td><td> </td></tr><tr><td>F341</td><td> </td><td>Usage tables</td><td> </td></tr><tr><td>F361</td><td> </td><td>Subprogram support</td><td> </td></tr><tr><td>F381</td><td> </td><td>Extended schema manipulation</td><td> </td></tr><tr><td>F382</td><td> </td><td>Alter column data type</td><td> </td></tr><tr><td>F383</td><td> </td><td>Set column not null clause</td><td> </td></tr><tr><td>F384</td><td> </td><td>Drop identity property clause</td><td> </td></tr><tr><td>F385</td><td> </td><td>Drop column generation expression clause</td><td> </td></tr><tr><td>F386</td><td> </td><td>Set identity column generation clause</td><td> </td></tr><tr><td>F387</td><td> </td><td>ALTER TABLE statement: ALTER COLUMN clause</td><td> </td></tr><tr><td>F388</td><td> </td><td>ALTER TABLE statement: ADD/DROP CONSTRAINT clause</td><td> </td></tr><tr><td>F391</td><td> </td><td>Long identifiers</td><td> </td></tr><tr><td>F392</td><td> </td><td>Unicode escapes in identifiers</td><td> </td></tr><tr><td>F393</td><td> </td><td>Unicode escapes in literals</td><td> </td></tr><tr><td>F394</td><td> </td><td>Optional normal form specification</td><td> </td></tr><tr><td>F401</td><td> </td><td>Extended joined table</td><td> </td></tr><tr><td>F402</td><td> </td><td>Named column joins for LOBs, arrays, and multisets</td><td> </td></tr><tr><td>F404</td><td> </td><td>Range variable for common column names</td><td> </td></tr><tr><td>F405</td><td> </td><td>NATURAL JOIN</td><td> </td></tr><tr><td>F406</td><td> </td><td>FULL OUTER JOIN</td><td> </td></tr><tr><td>F407</td><td> </td><td>CROSS JOIN</td><td> </td></tr><tr><td>F411</td><td> </td><td>Time zone specification</td><td>differences regarding literal interpretation</td></tr><tr><td>F421</td><td> </td><td>National character</td><td> </td></tr><tr><td>F431</td><td> </td><td>Read-only scrollable cursors</td><td> </td></tr><tr><td>F432</td><td> </td><td>FETCH with explicit NEXT</td><td> </td></tr><tr><td>F433</td><td> </td><td>FETCH FIRST</td><td> </td></tr><tr><td>F434</td><td> </td><td>FETCH LAST</td><td> </td></tr><tr><td>F435</td><td> </td><td>FETCH PRIOR</td><td> </td></tr><tr><td>F436</td><td> </td><td>FETCH ABSOLUTE</td><td> </td></tr><tr><td>F437</td><td> </td><td>FETCH RELATIVE</td><td> </td></tr><tr><td>F438</td><td> </td><td>Scrollable cursors</td><td> </td></tr><tr><td>F441</td><td> </td><td>Extended set function support</td><td> </td></tr><tr><td>F442</td><td> </td><td>Mixed column references in set functions</td><td> </td></tr><tr><td>F471</td><td>Core</td><td>Scalar subquery values</td><td> </td></tr><tr><td>F481</td><td>Core</td><td>Expanded NULL predicate</td><td> </td></tr><tr><td>F491</td><td> </td><td>Constraint management</td><td> </td></tr><tr><td>F501</td><td>Core</td><td>Features and conformance views</td><td> </td></tr><tr><td>F501-01</td><td>Core</td><td>SQL_FEATURES view</td><td> </td></tr><tr><td>F501-02</td><td>Core</td><td>SQL_SIZING view</td><td> </td></tr><tr><td>F502</td><td> </td><td>Enhanced documentation tables</td><td> </td></tr><tr><td>F531</td><td> </td><td>Temporary tables</td><td> </td></tr><tr><td>F555</td><td> </td><td>Enhanced seconds precision</td><td> </td></tr><tr><td>F561</td><td> </td><td>Full value expressions</td><td> </td></tr><tr><td>F571</td><td> </td><td>Truth value tests</td><td> </td></tr><tr><td>F591</td><td> </td><td>Derived tables</td><td> </td></tr><tr><td>F611</td><td> </td><td>Indicator data types</td><td> </td></tr><tr><td>F641</td><td> </td><td>Row and table constructors</td><td> </td></tr><tr><td>F651</td><td> </td><td>Catalog name qualifiers</td><td> </td></tr><tr><td>F661</td><td> </td><td>Simple tables</td><td> </td></tr><tr><td>F672</td><td> </td><td>Retrospective CHECK constraints</td><td> </td></tr><tr><td>F690</td><td> </td><td>Collation support</td><td> </td></tr><tr><td>F692</td><td> </td><td>Extended collation support</td><td> </td></tr><tr><td>F701</td><td> </td><td>Referential update actions</td><td> </td></tr><tr><td>F711</td><td> </td><td>ALTER domain</td><td> </td></tr><tr><td>F731</td><td> </td><td>INSERT column privileges</td><td> </td></tr><tr><td>F751</td><td> </td><td>View CHECK enhancements</td><td> </td></tr><tr><td>F761</td><td> </td><td>Session management</td><td> </td></tr><tr><td>F762</td><td> </td><td>CURRENT_CATALOG</td><td> </td></tr><tr><td>F763</td><td> </td><td>CURRENT_SCHEMA</td><td> </td></tr><tr><td>F771</td><td> </td><td>Connection management</td><td> </td></tr><tr><td>F781</td><td> </td><td>Self-referencing operations</td><td> </td></tr><tr><td>F791</td><td> </td><td>Insensitive cursors</td><td> </td></tr><tr><td>F801</td><td> </td><td>Full set function</td><td> </td></tr><tr><td>F850</td><td> </td><td>Top-level ORDER BY in query expression</td><td> </td></tr><tr><td>F851</td><td> </td><td>ORDER BY in subqueries</td><td> </td></tr><tr><td>F852</td><td> </td><td>Top-level ORDER BY in views</td><td> </td></tr><tr><td>F855</td><td> </td><td>Nested ORDER BY in query expression</td><td> </td></tr><tr><td>F856</td><td> </td><td>Nested FETCH FIRST in query expression</td><td> </td></tr><tr><td>F857</td><td> </td><td>Top-level FETCH FIRST in query expression</td><td> </td></tr><tr><td>F858</td><td> </td><td>FETCH FIRST in subqueries</td><td> </td></tr><tr><td>F859</td><td> </td><td>Top-level FETCH FIRST in views</td><td> </td></tr><tr><td>F860</td><td> </td><td>Dynamic FETCH FIRST row count</td><td> </td></tr><tr><td>F861</td><td> </td><td>Top-level OFFSET in query expression</td><td> </td></tr><tr><td>F862</td><td> </td><td>OFFSET in subqueries</td><td> </td></tr><tr><td>F863</td><td> </td><td>Nested OFFSET in query expression</td><td> </td></tr><tr><td>F864</td><td> </td><td>Top-level OFFSET in views</td><td> </td></tr><tr><td>F865</td><td> </td><td>Dynamic offset row count in OFFSET</td><td> </td></tr><tr><td>F867</td><td> </td><td>FETCH FIRST clause: WITH TIES option</td><td> </td></tr><tr><td>F868</td><td> </td><td>ORDER BY in grouped table</td><td> </td></tr><tr><td>F869</td><td> </td><td>SQL implementation info population</td><td> </td></tr><tr><td>S071</td><td> </td><td>SQL paths in function and type name resolution</td><td> </td></tr><tr><td>S090</td><td> </td><td>Minimal array support</td><td> </td></tr><tr><td>S092</td><td> </td><td>Arrays of user-defined types</td><td> </td></tr><tr><td>S095</td><td> </td><td>Array constructors by query</td><td> </td></tr><tr><td>S096</td><td> </td><td>Optional array bounds</td><td> </td></tr><tr><td>S098</td><td> </td><td>ARRAY_AGG</td><td> </td></tr><tr><td>S099</td><td> </td><td>Array expressions</td><td> </td></tr><tr><td>S111</td><td> </td><td>ONLY in query expressions</td><td> </td></tr><tr><td>S201</td><td> </td><td>SQL-invoked routines on arrays</td><td> </td></tr><tr><td>S203</td><td> </td><td>Array parameters</td><td> </td></tr><tr><td>S204</td><td> </td><td>Array as result type of functions</td><td> </td></tr><tr><td>S211</td><td> </td><td>User-defined cast functions</td><td> </td></tr><tr><td>S301</td><td> </td><td>Enhanced UNNEST</td><td> </td></tr><tr><td>S404</td><td> </td><td>TRIM_ARRAY</td><td> </td></tr><tr><td>T031</td><td> </td><td>BOOLEAN data type</td><td> </td></tr><tr><td>T054</td><td> </td><td>GREATEST and LEAST</td><td>different null handling</td></tr><tr><td>T055</td><td> </td><td>String padding functions</td><td> </td></tr><tr><td>T056</td><td> </td><td>Multi-character TRIM functions</td><td> </td></tr><tr><td>T061</td><td> </td><td>UCS support</td><td> </td></tr><tr><td>T071</td><td> </td><td>BIGINT data type</td><td> </td></tr><tr><td>T081</td><td> </td><td>Optional string types maximum length</td><td> </td></tr><tr><td>T121</td><td> </td><td>WITH (excluding RECURSIVE) in query expression</td><td> </td></tr><tr><td>T122</td><td> </td><td>WITH (excluding RECURSIVE) in subquery</td><td> </td></tr><tr><td>T131</td><td> </td><td>Recursive query</td><td> </td></tr><tr><td>T132</td><td> </td><td>Recursive query in subquery</td><td> </td></tr><tr><td>T133</td><td> </td><td>Enhanced cycle mark values</td><td> </td></tr><tr><td>T141</td><td> </td><td>SIMILAR predicate</td><td> </td></tr><tr><td>T151</td><td> </td><td>DISTINCT predicate</td><td> </td></tr><tr><td>T152</td><td> </td><td>DISTINCT predicate with negation</td><td> </td></tr><tr><td>T171</td><td> </td><td>LIKE clause in table definition</td><td> </td></tr><tr><td>T172</td><td> </td><td>AS subquery clause in table definition</td><td> </td></tr><tr><td>T173</td><td> </td><td>Extended LIKE clause in table definition</td><td> </td></tr><tr><td>T174</td><td> </td><td>Identity columns</td><td> </td></tr><tr><td>T177</td><td> </td><td>Sequence generator support: simple restart option</td><td> </td></tr><tr><td>T178</td><td> </td><td>Identity columns: simple restart option</td><td> </td></tr><tr><td>T191</td><td> </td><td>Referential action RESTRICT</td><td> </td></tr><tr><td>T201</td><td> </td><td>Comparable data types for referential constraints</td><td> </td></tr><tr><td>T212</td><td> </td><td>Enhanced trigger capability</td><td> </td></tr><tr><td>T213</td><td> </td><td>INSTEAD OF triggers</td><td> </td></tr><tr><td>T214</td><td> </td><td>BEFORE triggers</td><td> </td></tr><tr><td>T215</td><td> </td><td>AFTER triggers</td><td> </td></tr><tr><td>T216</td><td> </td><td>Ability to require true search condition before trigger is invoked</td><td> </td></tr><tr><td>T217</td><td> </td><td>TRIGGER privilege</td><td> </td></tr><tr><td>T241</td><td> </td><td>START TRANSACTION statement</td><td> </td></tr><tr><td>T261</td><td> </td><td>Chained transactions</td><td> </td></tr><tr><td>T271</td><td> </td><td>Savepoints</td><td> </td></tr><tr><td>T281</td><td> </td><td>SELECT privilege with column granularity</td><td> </td></tr><tr><td>T285</td><td> </td><td>Enhanced derived column names</td><td> </td></tr><tr><td>T312</td><td> </td><td>OVERLAY function</td><td> </td></tr><tr><td>T321-01</td><td>Core</td><td>User-defined functions with no overloading</td><td> </td></tr><tr><td>T321-02</td><td>Core</td><td>User-defined stored procedures with no overloading</td><td> </td></tr><tr><td>T321-03</td><td>Core</td><td>Function invocation</td><td> </td></tr><tr><td>T321-04</td><td>Core</td><td>CALL statement</td><td> </td></tr><tr><td>T321-05</td><td>Core</td><td>RETURN statement</td><td> </td></tr><tr><td>T321-06</td><td>Core</td><td>ROUTINES view</td><td> </td></tr><tr><td>T321-07</td><td>Core</td><td>PARAMETERS view</td><td> </td></tr><tr><td>T323</td><td> </td><td>Explicit security for external routines</td><td> </td></tr><tr><td>T325</td><td> </td><td>Qualified SQL parameter references</td><td> </td></tr><tr><td>T331</td><td> </td><td>Basic roles</td><td> </td></tr><tr><td>T332</td><td> </td><td>Extended roles</td><td> </td></tr><tr><td>T341</td><td> </td><td>Overloading of SQL-invoked functions and SQL-invoked procedures</td><td> </td></tr><tr><td>T351</td><td> </td><td>Bracketed comments</td><td> </td></tr><tr><td>T431</td><td> </td><td>Extended grouping capabilities</td><td> </td></tr><tr><td>T432</td><td> </td><td>Nested and concatenated GROUPING SETS</td><td> </td></tr><tr><td>T433</td><td> </td><td>Multi-argument GROUPING function</td><td> </td></tr><tr><td>T434</td><td> </td><td>GROUP BY DISTINCT</td><td> </td></tr><tr><td>T441</td><td> </td><td>ABS and MOD functions</td><td> </td></tr><tr><td>T461</td><td> </td><td>Symmetric BETWEEN predicate</td><td> </td></tr><tr><td>T491</td><td> </td><td>LATERAL derived table</td><td> </td></tr><tr><td>T501</td><td> </td><td>Enhanced EXISTS predicate</td><td> </td></tr><tr><td>T521</td><td> </td><td>Named arguments in CALL statement</td><td> </td></tr><tr><td>T523</td><td> </td><td>Default values for INOUT parameters of SQL-invoked procedures</td><td> </td></tr><tr><td>T524</td><td> </td><td>Named arguments in routine invocations other than a CALL statement</td><td> </td></tr><tr><td>T525</td><td> </td><td>Default values for parameters of SQL-invoked functions</td><td> </td></tr><tr><td>T551</td><td> </td><td>Optional key words for default syntax</td><td> </td></tr><tr><td>T581</td><td> </td><td>Regular expression substring function</td><td> </td></tr><tr><td>T591</td><td> </td><td>UNIQUE constraints of possibly null columns</td><td> </td></tr><tr><td>T611</td><td> </td><td>Elementary OLAP operations</td><td> </td></tr><tr><td>T612</td><td> </td><td>Advanced OLAP operations</td><td> </td></tr><tr><td>T613</td><td> </td><td>Sampling</td><td> </td></tr><tr><td>T614</td><td> </td><td>NTILE function</td><td> </td></tr><tr><td>T615</td><td> </td><td>LEAD and LAG functions</td><td> </td></tr><tr><td>T617</td><td> </td><td>FIRST_VALUE and LAST_VALUE functions</td><td> </td></tr><tr><td>T620</td><td> </td><td>WINDOW clause: GROUPS option</td><td> </td></tr><tr><td>T621</td><td> </td><td>Enhanced numeric functions</td><td> </td></tr><tr><td>T622</td><td> </td><td>Trigonometric functions</td><td> </td></tr><tr><td>T623</td><td> </td><td>General logarithm functions</td><td> </td></tr><tr><td>T624</td><td> </td><td>Common logarithm functions</td><td> </td></tr><tr><td>T626</td><td> </td><td>ANY_VALUE</td><td> </td></tr><tr><td>T627</td><td> </td><td>Window framed COUNT DISTINCT</td><td> </td></tr><tr><td>T631</td><td>Core</td><td>IN predicate with one list element</td><td> </td></tr><tr><td>T651</td><td> </td><td>SQL-schema statements in SQL routines</td><td> </td></tr><tr><td>T653</td><td> </td><td>SQL-schema statements in external routines</td><td> </td></tr><tr><td>T655</td><td> </td><td>Cyclically dependent routines</td><td> </td></tr><tr><td>T661</td><td> </td><td>Non-decimal integer literals</td><td> </td></tr><tr><td>T662</td><td> </td><td>Underscores in numeric literals</td><td> </td></tr><tr><td>T670</td><td> </td><td>Schema and data statement mixing</td><td> </td></tr><tr><td>T803</td><td> </td><td>String-based JSON</td><td> </td></tr><tr><td>T811</td><td> </td><td>Basic SQL/JSON constructor functions</td><td> </td></tr><tr><td>T812</td><td> </td><td>SQL/JSON: JSON_OBJECTAGG</td><td> </td></tr><tr><td>T813</td><td> </td><td>SQL/JSON: JSON_ARRAYAGG with ORDER BY</td><td> </td></tr><tr><td>T814</td><td> </td><td>Colon in JSON_OBJECT or JSON_OBJECTAGG</td><td> </td></tr><tr><td>T822</td><td> </td><td>SQL/JSON: IS JSON WITH UNIQUE KEYS predicate</td><td> </td></tr><tr><td>T830</td><td> </td><td>Enforcing unique keys in SQL/JSON constructor functions</td><td> </td></tr><tr><td>T831</td><td> </td><td>SQL/JSON path language: strict mode</td><td> </td></tr><tr><td>T832</td><td> </td><td>SQL/JSON path language: item method</td><td> </td></tr><tr><td>T833</td><td> </td><td>SQL/JSON path language: multiple subscripts</td><td> </td></tr><tr><td>T834</td><td> </td><td>SQL/JSON path language: wildcard member accessor</td><td> </td></tr><tr><td>T835</td><td> </td><td>SQL/JSON path language: filter expressions</td><td> </td></tr><tr><td>T836</td><td> </td><td>SQL/JSON path language: starts with predicate</td><td> </td></tr><tr><td>T837</td><td> </td><td>SQL/JSON path language: regex_like predicate</td><td> </td></tr><tr><td>T840</td><td> </td><td>Hex integer literals in SQL/JSON path language</td><td> </td></tr><tr><td>T851</td><td> </td><td>SQL/JSON: optional keywords for default syntax</td><td> </td></tr><tr><td>T879</td><td> </td><td>JSON in equality operations</td><td>with jsonb</td></tr><tr><td>T880</td><td> </td><td>JSON in grouping operations</td><td>with jsonb</td></tr><tr><td>X010</td><td> </td><td>XML type</td><td> </td></tr><tr><td>X011</td><td> </td><td>Arrays of XML type</td><td> </td></tr><tr><td>X014</td><td> </td><td>Attributes of XML type</td><td> </td></tr><tr><td>X016</td><td> </td><td>Persistent XML values</td><td> </td></tr><tr><td>X020</td><td> </td><td>XMLConcat</td><td> </td></tr><tr><td>X031</td><td> </td><td>XMLElement</td><td> </td></tr><tr><td>X032</td><td> </td><td>XMLForest</td><td> </td></tr><tr><td>X034</td><td> </td><td>XMLAgg</td><td> </td></tr><tr><td>X035</td><td> </td><td>XMLAgg: ORDER BY option</td><td> </td></tr><tr><td>X036</td><td> </td><td>XMLComment</td><td> </td></tr><tr><td>X037</td><td> </td><td>XMLPI</td><td> </td></tr><tr><td>X040</td><td> </td><td>Basic table mapping</td><td> </td></tr><tr><td>X041</td><td> </td><td>Basic table mapping: null absent</td><td> </td></tr><tr><td>X042</td><td> </td><td>Basic table mapping: null as nil</td><td> </td></tr><tr><td>X043</td><td> </td><td>Basic table mapping: table as forest</td><td> </td></tr><tr><td>X044</td><td> </td><td>Basic table mapping: table as element</td><td> </td></tr><tr><td>X045</td><td> </td><td>Basic table mapping: with target namespace</td><td> </td></tr><tr><td>X046</td><td> </td><td>Basic table mapping: data mapping</td><td> </td></tr><tr><td>X047</td><td> </td><td>Basic table mapping: metadata mapping</td><td> </td></tr><tr><td>X048</td><td> </td><td>Basic table mapping: base64 encoding of binary strings</td><td> </td></tr><tr><td>X049</td><td> </td><td>Basic table mapping: hex encoding of binary strings</td><td> </td></tr><tr><td>X050</td><td> </td><td>Advanced table mapping</td><td> </td></tr><tr><td>X051</td><td> </td><td>Advanced table mapping: null absent</td><td> </td></tr><tr><td>X052</td><td> </td><td>Advanced table mapping: null as nil</td><td> </td></tr><tr><td>X053</td><td> </td><td>Advanced table mapping: table as forest</td><td> </td></tr><tr><td>X054</td><td> </td><td>Advanced table mapping: table as element</td><td> </td></tr><tr><td>X055</td><td> </td><td>Advanced table mapping: with target namespace</td><td> </td></tr><tr><td>X056</td><td> </td><td>Advanced table mapping: data mapping</td><td> </td></tr><tr><td>X057</td><td> </td><td>Advanced table mapping: metadata mapping</td><td> </td></tr><tr><td>X058</td><td> </td><td>Advanced table mapping: base64 encoding of binary strings</td><td> </td></tr><tr><td>X059</td><td> </td><td>Advanced table mapping: hex encoding of binary strings</td><td> </td></tr><tr><td>X060</td><td> </td><td>XMLParse: character string input and CONTENT option</td><td> </td></tr><tr><td>X061</td><td> </td><td>XMLParse: character string input and DOCUMENT option</td><td> </td></tr><tr><td>X069</td><td> </td><td>XMLSerialize: INDENT</td><td> </td></tr><tr><td>X070</td><td> </td><td>XMLSerialize: character string serialization and CONTENT option</td><td> </td></tr><tr><td>X071</td><td> </td><td>XMLSerialize: character string serialization and DOCUMENT option</td><td> </td></tr><tr><td>X072</td><td> </td><td>XMLSerialize: character string serialization</td><td> </td></tr><tr><td>X090</td><td> </td><td>XML document predicate</td><td> </td></tr><tr><td>X120</td><td> </td><td>XML parameters in SQL routines</td><td> </td></tr><tr><td>X121</td><td> </td><td>XML parameters in external routines</td><td> </td></tr><tr><td>X221</td><td> </td><td>XML passing mechanism BY VALUE</td><td> </td></tr><tr><td>X301</td><td> </td><td>XMLTable: derived column list option</td><td> </td></tr><tr><td>X302</td><td> </td><td>XMLTable: ordinality column option</td><td> </td></tr><tr><td>X303</td><td> </td><td>XMLTable: column default option</td><td> </td></tr><tr><td>X304</td><td> </td><td>XMLTable: passing a context item</td><td>must be XML DOCUMENT</td></tr><tr><td>X400</td><td> </td><td>Name and identifier mapping</td><td> </td></tr><tr><td>X410</td><td> </td><td>Alter column data type: XML type</td><td> </td></tr></tbody></table></div><p>
   </p></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="features.html" title="Appendix D. SQL Conformance">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="features.html" title="Appendix D. SQL Conformance">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="unsupported-features-sql-standard.html" title="D.2. Unsupported Features">Next</a></td></tr><tr><td width="40%" align="left" valign="top">Appendix D. SQL Conformance </td><td width="20%" align="center"><a accesskey="h" href="index.html" title="PostgreSQL 16.3 Documentation">Home</a></td><td width="40%" align="right" valign="top"> D.2. Unsupported Features</td></tr></table></div></body></html>