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<!-- keywords: SQLITE_BLOB SQLITE_FLOAT SQLITE_INTEGER SQLITE_NULL SQLITE_TEXT -->
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<a href="intro.html"><h2>SQLite C Interface</h2></a>
<h2>Fundamental Datatypes</h2>
</div>
<blockquote><pre>
#define SQLITE_INTEGER 1
#define SQLITE_FLOAT 2
#define SQLITE_BLOB 4
#define SQLITE_NULL 5
#ifdef SQLITE_TEXT
# undef SQLITE_TEXT
#else
# define SQLITE_TEXT 3
#endif
#define SQLITE3_TEXT 3
</pre></blockquote>
<p>
Every value in SQLite has one of five fundamental datatypes:</p>
<p><ul>
<li> 64-bit signed integer
<li> 64-bit IEEE floating point number
<li> string
<li> BLOB
<li> NULL
</ul></p>
<p>These constants are codes for each of those types.</p>
<p>Note that the SQLITE_TEXT constant was also used in SQLite version 2
for a completely different meaning. Software that links against both
SQLite version 2 and SQLite version 3 should use SQLITE3_TEXT, not
SQLITE_TEXT.
</p><p>See also lists of
<a href="objlist.html">Objects</a>,
<a href="constlist.html">Constants</a>, and
<a href="funclist.html">Functions</a>.</p>
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