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+Built-in Aggregate Functions
+</div>
+</div>
+
+
+
+
+
+<h1 id="syntax"><span>1. </span>Syntax</h1>
+<p><b><a href="syntax/aggregate-function-invocation.html">aggregate-function-invocation:</a></b>
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+</div>
+</div>
+<p><b><a href="syntax/raise-function.html">raise-function:</a></b>
+<button id='x1251' onclick='hideorshow("x1251","x1252")'>show</button></p>
+ <div id='x1252' style='display:none;' class='imgcontainer'>
+ <div style="max-width:627px"><svg xmlns='http://www.w3.org/2000/svg' class="pikchr" viewBox="0 0 627.302 147.96">
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+<p><b><a href="syntax/select-stmt.html">select-stmt:</a></b>
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+<path d="M525,1155L597,1155" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" />
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+</div>
+<p><b><a href="syntax/common-table-expression.html">common-table-expression:</a></b>
+<button id='x1255' onclick='hideorshow("x1255","x1256")'>show</button></p>
+ <div id='x1256' style='display:none;' class='imgcontainer'>
+ <div style="max-width:638px"><svg xmlns='http://www.w3.org/2000/svg' class="pikchr" viewBox="0 0 638.525 167.4">
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+<text x="85" y="29" text-anchor="middle" fill="rgb(0,0,0)" dominant-baseline="central">table-name</text>
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+<path d="M66,150L395,150" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" />
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+<path d="M348,6 L 473,6 Q 488,6 488,17 Q 488,29 495,29 L 503,29" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" />
+</svg>
+</div>
+</div>
+<p><b><a href="syntax/compound-operator.html">compound-operator:</a></b>
+<button id='x1257' onclick='hideorshow("x1257","x1258")'>show</button></p>
+ <div id='x1258' style='display:none;' class='imgcontainer'>
+ <div style="max-width:293px"><svg xmlns='http://www.w3.org/2000/svg' class="pikchr" viewBox="0 0 293.842 147.96">
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+<path d="M83,32L127,32A15 15 0 0 0 142 17A15 15 0 0 0 127 2L83,2A15 15 0 0 0 68 17A15 15 0 0 0 83 32Z" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" />
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+<path d="M233,130 L 240,130 Q 248,130 248,115 L 248,92 L 248,77" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" />
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+</div>
+</div>
+<p><b><a href="syntax/join-clause.html">join-clause:</a></b>
+<button id='x1259' onclick='hideorshow("x1259","x1260")'>show</button></p>
+ <div id='x1260' style='display:none;' class='imgcontainer'>
+ <div style="max-width:793px"><svg xmlns='http://www.w3.org/2000/svg' class="pikchr" viewBox="0 0 793.282 84.24">
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+</div>
+<p><b><a href="syntax/join-constraint.html">join-constraint:</a></b>
+<button id='x1261' onclick='hideorshow("x1261","x1262")'>show</button></p>
+ <div id='x1262' style='display:none;' class='imgcontainer'>
+ <div style="max-width:483px"><svg xmlns='http://www.w3.org/2000/svg' class="pikchr" viewBox="0 0 483.336 126.576">
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+<path d="M66,32L74,32A15 15 0 0 0 90 17A15 15 0 0 0 74 2L66,2A15 15 0 0 0 50 17A15 15 0 0 0 66 32Z" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" />
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+<path d="M209,120 L 422,120 Q 437,120 437,105 L 437,54 L 437,39" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" />
+</svg>
+</div>
+</div>
+<p><b><a href="syntax/join-operator.html">join-operator:</a></b>
+<button id='x1263' onclick='hideorshow("x1263","x1264")'>show</button></p>
+ <div id='x1264' style='display:none;' class='imgcontainer'>
+ <div style="max-width:620px"><svg xmlns='http://www.w3.org/2000/svg' class="pikchr" viewBox="0 0 620.333 255.312">
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+<path d="M66,86L133,86A15 15 0 0 0 148 71A15 15 0 0 0 133 56L66,56A15 15 0 0 0 50 71A15 15 0 0 0 66 86Z" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" />
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+<path d="M532,56L554,56A15 15 0 0 0 569 41A15 15 0 0 0 554 26L532,26A15 15 0 0 0 516 41A15 15 0 0 0 532 56Z" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" />
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+<path d="M99,41L178,41" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" />
+<path d="M189,41L505,41" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" />
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+<path d="M246,124L284,124A15 15 0 0 0 299 109A15 15 0 0 0 284 94L246,94A15 15 0 0 0 231 109A15 15 0 0 0 246 124Z" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" />
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+<path d="M246,162L274,162A15 15 0 0 0 289 147A15 15 0 0 0 274 132L246,132A15 15 0 0 0 231 147A15 15 0 0 0 246 162Z" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" />
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+<path d="M246,207L287,207A15 15 0 0 0 302 192A15 15 0 0 0 287 177L246,177A15 15 0 0 0 231 192A15 15 0 0 0 246 207Z" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" />
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+<path d="M475,192 L 482,192 Q 490,192 490,185 L 490,177" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" />
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+<path d="M9,17 L 16,17 Q 24,17 24,32 L 24,223 Q 24,238 39,238 L 210,238 L 225,238" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" />
+<path d="M246,253L287,253A15 15 0 0 0 303 238A15 15 0 0 0 287 222L246,222A15 15 0 0 0 231 238A15 15 0 0 0 246 253Z" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" />
+<text x="267" y="238" text-anchor="middle" fill="rgb(0,0,0)" dominant-baseline="central">CROSS</text>
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+<path d="M303,238L469,238" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" />
+<path d="M475,238 L 482,238 Q 490,238 490,223 L 490,71 L 490,56" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" />
+</svg>
+</div>
+</div>
+</div>
+<p><b><a href="syntax/ordering-term.html">ordering-term:</a></b>
+<button id='x1265' onclick='hideorshow("x1265","x1266")'>show</button></p>
+ <div id='x1266' style='display:none;' class='imgcontainer'>
+ <div style="max-width:798px"><svg xmlns='http://www.w3.org/2000/svg' class="pikchr" viewBox="0 0 798.451 99.576">
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+<path d="M32,32L81,32L81,2L32,2Z" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" />
+<text x="56" y="17" text-anchor="middle" fill="rgb(0,0,0)" dominant-baseline="central">expr</text>
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+<path d="M244,59L349,59A15 15 0 0 0 364 44L364,44A15 15 0 0 0 349 29L244,29A15 15 0 0 0 228 44L228,44A15 15 0 0 0 244 59Z" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" />
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+<path d="M462,97L492,97A15 15 0 0 0 508 82A15 15 0 0 0 492 67L462,67A15 15 0 0 0 447 82A15 15 0 0 0 462 97Z" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" />
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+<path d="M462,59L479,59A15 15 0 0 0 494 44L494,44A15 15 0 0 0 479 29L462,29A15 15 0 0 0 447 44L447,44A15 15 0 0 0 462 59Z" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" />
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+<path d="M421,29 L 421,36 Q 421,44 431,44 L 441,44" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" />
+<path d="M494,44 L 508,44 Q 523,44 523,36 L 523,29" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" />
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+<path d="M742,82 L 754,82 Q 765,82 765,67 L 765,44 L 765,29" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" />
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+<path d="M670,17L780,17" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" />
+</svg>
+</div>
+</div>
+<p><b><a href="syntax/result-column.html">result-column:</a></b>
+<button id='x1267' onclick='hideorshow("x1267","x1268")'>show</button></p>
+ <div id='x1268' style='display:none;' class='imgcontainer'>
+ <div style="max-width:398px"><svg xmlns='http://www.w3.org/2000/svg' class="pikchr" viewBox="0 0 398.054 163.08">
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+<text x="191" y="17" text-anchor="middle" fill="rgb(0,0,0)" dominant-baseline="central">numeric-literal</text>
+<polygon points="282,17 271,21 271,12" style="fill:rgb(0,0,0)"/>
+<path d="M259,17L276,17" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" />
+<circle cx="286" cy="17" r="3.6" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" />
+<polygon points="50,82 39,86 39,77" style="fill:rgb(0,0,0)"/>
+<path d="M9,17 L 16,17 Q 24,17 24,32 L 24,67 Q 24,82 34,82 L 45,82" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" />
+<path d="M66,97A15 15 0 0 0 81 82L81,82A15 15 0 0 0 66 67A15 15 0 0 0 50 82L50,82A15 15 0 0 0 66 97Z" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" />
+<text x="66" y="82" text-anchor="middle" font-weight="bold" fill="rgb(0,0,0)" dominant-baseline="central">-</text>
+<path d="M81,82 L 88,82 Q 96,82 96,67 L 96,44 L 96,29" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" />
+<polygon points="66,17 54,21 54,12" style="fill:rgb(0,0,0)"/>
+<path d="M9,17L60,17" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" />
+<path d="M66,17L111,17" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" />
+</svg>
+</div>
+</div>
+</div>
+</div>
+<p><b><a href="syntax/filter-clause.html">filter-clause:</a></b>
+<button id='x1279' onclick='hideorshow("x1279","x1280")'>show</button></p>
+ <div id='x1280' style='display:none;' class='imgcontainer'>
+ <div style="max-width:422px"><svg xmlns='http://www.w3.org/2000/svg' class="pikchr" viewBox="0 0 422.381 34.56">
+<circle cx="5" cy="17" r="3.6" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" />
+<polygon points="32,17 20,21 20,12" style="fill:rgb(0,0,0)"/>
+<path d="M9,17L26,17" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" />
+<path d="M47,32L93,32A15 15 0 0 0 108 17A15 15 0 0 0 93 2L47,2A15 15 0 0 0 32 17A15 15 0 0 0 47 32Z" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" />
+<text x="70" y="17" text-anchor="middle" fill="rgb(0,0,0)" dominant-baseline="central">FILTER</text>
+<polygon points="131,17 119,21 119,12" style="fill:rgb(0,0,0)"/>
+<path d="M108,17L125,17" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" />
+<path d="M146,32L146,32A15 15 0 0 0 161 17A15 15 0 0 0 146 2L146,2A15 15 0 0 0 131 17A15 15 0 0 0 146 32Z" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" />
+<text x="146" y="17" text-anchor="middle" font-weight="bold" fill="rgb(0,0,0)" dominant-baseline="central">(</text>
+<polygon points="184,17 173,21 173,12" style="fill:rgb(0,0,0)"/>
+<path d="M161,17L178,17" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" />
+<path d="M199,32L249,32A15 15 0 0 0 264 17A15 15 0 0 0 249 2L199,2A15 15 0 0 0 184 17A15 15 0 0 0 199 32Z" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" />
+<text x="224" y="17" text-anchor="middle" fill="rgb(0,0,0)" dominant-baseline="central">WHERE</text>
+<polygon points="287,17 275,21 275,12" style="fill:rgb(0,0,0)"/>
+<path d="M264,17L281,17" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" />
+<path d="M287,32L336,32L336,2L287,2Z" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" />
+<text x="312" y="17" text-anchor="middle" fill="rgb(0,0,0)" dominant-baseline="central">expr</text>
+<polygon points="359,17 348,21 348,12" style="fill:rgb(0,0,0)"/>
+<path d="M336,17L353,17" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" />
+<path d="M374,32A15 15 0 0 0 389 17A15 15 0 0 0 374 2A15 15 0 0 0 359 17A15 15 0 0 0 374 32Z" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" />
+<text x="374" y="17" text-anchor="middle" font-weight="bold" fill="rgb(0,0,0)" dominant-baseline="central">)</text>
+<polygon points="413,17 401,21 401,12" style="fill:rgb(0,0,0)"/>
+<path d="M389,17L407,17" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" />
+<circle cx="416" cy="17" r="3.6" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" />
+</svg>
+</div>
+</div>
+</div>
+
+
+<p>
+The aggregate functions shown below are available by default. Additional
+aggregate functions written in C may be added using the
+<a href="c3ref/create_function.html">sqlite3_create_function()</a>
+API.</p>
+
+<p>
+In any aggregate function that takes a single argument, that argument
+can be preceded by the keyword DISTINCT. In such cases, duplicate
+elements are filtered before being passed into the aggregate function.
+For example, the function "count(distinct X)" will return the number
+of distinct values of column X instead of the total number of non-null
+values in column X.
+</p>
+
+<a name="aggfilter"></a>
+
+<p>
+If a FILTER clause is provided, then only rows for which the <i>expr</i> is
+true are included in the aggregate.
+</p>
+
+<a name="aggfunclist"></a>
+
+<h1 id="list_of_built_in_aggregate_functions"><span>2. </span>List of built-in aggregate functions</h1>
+
+<div class='columns' style='columns: 11em auto;'>
+<ul style='padding-top:0;'>
+<li><a href='lang_aggfunc.html#avg'>avg(X)</a></li>
+<li><a href='lang_aggfunc.html#count'>count(*)</a></li>
+<li><a href='lang_aggfunc.html#count'>count(X)</a></li>
+<li><a href='lang_aggfunc.html#group_concat'>group_concat(X)</a></li>
+<li><a href='lang_aggfunc.html#group_concat'>group_concat(X,Y)</a></li>
+<li><a href='lang_aggfunc.html#max_agg'>max(X)</a></li>
+<li><a href='lang_aggfunc.html#min_agg'>min(X)</a></li>
+<li><a href='lang_aggfunc.html#sumunc'>sum(X)</a></li>
+<li><a href='lang_aggfunc.html#sumunc'>total(X)</a></li>
+</ul>
+</div>
+
+
+<h1 id="descriptions_of_built_in_aggregate_functions"><span>3. </span>Descriptions of built-in aggregate functions</h1>
+<dl>
+
+<a name="avg"></a>
+<dt><p><b>avg(<i>X</i>)</b></dt><dd><p>
+ The avg() function
+ returns the average value of all non-NULL <i>X</i> within a
+ group. String and BLOB values that do not look like numbers are
+ interpreted as 0.
+ The result of avg() is always a floating point value whenever
+ there is at least one non-NULL input even if all
+ inputs are integers. The result of avg() is NULL if and only if
+ there are no non-NULL inputs.
+</dd>
+<a name="count"></a>
+<dt><p><b>count(<i>X</i>)<br />count(*)</b></dt><dd><p>
+ The count(X) function returns
+ a count of the number of times
+ that <i>X</i> is not NULL in a group. The count(*) function
+ (with no arguments) returns the total number of rows in the group.
+</dd>
+<a name="group_concat"></a>
+<dt><p><b>group_concat(<i>X</i>)<br />group_concat(<i>X</i>,<i>Y</i>)</b></dt><dd><p>
+ The group_concat() function returns
+ a string which is the concatenation of
+ all non-NULL values of <i>X</i>. If parameter <i>Y</i> is present then
+ it is used as the separator
+ between instances of <i>X</i>. A comma (",") is used as the separator
+ if <i>Y</i> is omitted. The order of the concatenated elements is
+ arbitrary.
+</dd>
+<a name="max_agg"></a>
+<dt><p><b>max(<i>X</i>)</b></dt><dd><p>
+ The max() aggregate function
+ returns the maximum value of all values in the group.
+ The maximum value is the value that would be returned last in an
+ ORDER BY on the same column. Aggregate max() returns NULL
+ if and only if there are no non-NULL values in the group.
+</dd>
+<a name="min_agg"></a>
+<dt><p><b>min(<i>X</i>)</b></dt><dd><p>
+ The min() aggregate function
+ returns the minimum non-NULL value of all values in the group.
+ The minimum value is the first non-NULL value that would appear
+ in an ORDER BY of the column.
+ Aggregate min() returns NULL if and only if there are no non-NULL
+ values in the group.
+</dd>
+<a name="sumunc"></a>
+<dt><p><b>sum(<i>X</i>)<br />total(<i>X</i>)</b></dt><dd><p>
+ The sum() and total() aggregate functions
+ return the sum of all non-NULL values in the group.
+ If there are no non-NULL input rows then sum() returns
+ NULL but total() returns 0.0.
+ NULL is not normally a helpful result for the sum of no rows
+ but the SQL standard requires it and most other
+ SQL database engines implement sum() that way so SQLite does it in the
+ same way in order to be compatible. The non-standard total() function
+ is provided as a convenient way to work around this design problem
+ in the SQL language.</p>
+
+ <p>The result of total() is always a floating point value.
+ The result of sum() is an integer value if all non-NULL inputs are integers.
+ If any input to sum() is neither an integer nor a NULL,
+ then sum() returns a floating point value
+ which is an approximation of the mathematical sum.</p>
+
+ <p>Sum() will throw an "integer overflow" exception if all inputs
+ are integers or NULL
+ and an integer overflow occurs at any point during the computation.
+ Total() never throws an integer overflow.
+</dd>
+
+</dl>
+<p align="center"><small><i>This page last modified on <a href="https://sqlite.org/docsrc/honeypot" id="mtimelink" data-href="https://sqlite.org/docsrc/finfo/pages/lang_aggfunc.in?m=fc47888e5026f0547">2022-01-20 21:38:08</a> UTC </small></i></p>
+