Keyword Analysis & Research: how to delete table in sqlite


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Frequently Asked Questions

How to remove a non-existing table in SQLite?

If you remove a non-existing table, SQLite issues an error. If you use IF EXISTS option, then SQLite removes the table only if the table exists, otherwise, it just ignores the statement and does nothing. If you want to remove a table in a specific database, you use the [schema_name.] explicitly.

How to delete all rows in one shot in SQLite?

SQLite will delete all rows in one shot instead of visiting and deleting each individual row. This feature is known as truncate optimization. We will use the artists_backup table created in the how to insert rows into table tutorial.

How do I add or delete columns from an existing table in SQLite?

(11) How do I add or delete columns from an existing table in SQLite. SQLite has limited ALTER TABLE support that you can use to add a column to the end of a table or to change the name of a table. If you want to make more complex changes in the structure of a table, you will have to recreate the table.

How to remove rows from a table in SQL Server?

First, specify the name of the table which you want to remove rows after the DELETE FROM keywords. Second, add a search condition in the WHERE clause to identify the rows to remove. The WHERE clause is an optional part of the DELETE statement. If you omit the WHERE clause, the DELETE statement will delete all rows in the table.

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