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<h1 align="center">SQL As Understood By SQLite</h1><p><a href="lang.html">[Top]</a></p><h2>INSERT</h2><h4><a href="syntaxdiagrams.html#insert-stmt">insert-stmt:</a></h4><blockquote> <img alt="syntax diagram insert-stmt" src="images/syntax/insert-stmt.gif"></img> </blockquote>
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<p>The INSERT statement comes in three basic forms.
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<li><p>The first form (with the "VALUES" keyword) creates a single new row in
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an existing table. If no column-list is specified then the number of
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values must be the same as the number of columns in the table. In this case
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the result of evaluating the left-most expression in the VALUES list is
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inserted into the left-most column of the new row, and so on. If a
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column-list is specified, then the number of values must match the number of
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specified columns. Each of the named columns of the new row is populated
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with the results of evaluating the corresponding VALUES expression. Table
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columns that do not appear in the column list are populated with the default
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column value (specified as part of the CREATE TABLE statement), or with NULL if
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no default value is specified.
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<li><p>The second form of the INSERT statement contains a SELECT statement
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instead of a VALUES clause. A new entry is inserted into the table for each
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row of data returned by executing the SELECT statement. If a column-list is
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specified, the number of columns in the result of the SELECT must be the same
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as the number of items in the column-list. Otherwise, if no column-list is
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specified, the number of columns in the result of the SELECT must be the same
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as the number of columns in the table. Any SELECT statement, including
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compound SELECTs and SELECT statements with ORDER BY and/or LIMIT clauses,
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may be used in an INSERT statement of this form.
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<li><p>The third form of an INSERT statement is with DEFAULT VALUES.
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The INSERT ... DEFAULT VALUES statement inserts a single new row into the
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named table. Each column of the new row is populated with its default value,
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or with a NULL if no default value is specified as part of the column
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definition in the CREATE TABLE statement.
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<p>The optional conflict-clause allows the specification of an alternative
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constraint conflict resolution algorithm to use during this one INSERT command.
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See the section titled
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<a href="lang_conflict.html">ON CONFLICT</a> for additional information.
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For compatibility with MySQL, the parser allows the use of the
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single keyword <a href="lang_replace.html">REPLACE</a> as an
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alias for "INSERT OR REPLACE".
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<p>The optional "<i>database-name</i><b>.</b>" prefix on the <i>table-name</i>
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is support for top-level INSERT statements only. The table name must be
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unqualified for INSERT statements that occur within <a href="lang_createtrigger.html">CREATE TRIGGER</a> statements.
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Similarly, the "DEFAULT VALUES" form of the INSERT statement is supported for
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top-level INSERT statements only and not for INSERT statements within
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lang_insert.html
