truncate table sqlite

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Rebeca
18 Nov 2017
1The TRUNCATE TABLE statement is used to remove all records from a table.
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3SQLite does not have an explicit TRUNCATE TABLE command like other databases. Instead, it has added a TRUNCATE optimizer to the DELETE statement. To truncate a table in SQLite, you just need to execute a DELETE statement without a WHERE clause. The TRUNCATE optimizer handles the rest. Let's explain.
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5Normally, when you execute a DELETE statement, the database must visit each row in the table to perform the deletion. In SQLite, when you execute a DELETE statement without a WHERE clause, the TRUNCATE optimizer is run instead of the normal delete behavior. The TRUNCATE optimizer removes all data from the table without the need to visit each row in the table. This is much faster than a normal delete operation.
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Charis
15 Jun 2017
1DELETE FROM suppliers;
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