sql delete all rows table code example

Example 1: delete all rows from table mysql

-- Quick, no possible rollback
TRUNCATE TABLE my_table;
-- With rollback
DELETE FROM my_table;
COMMIT;

Example 2: SQL Query to delete all the tables in a database

BY LOVE

EXEC sp_msforeachtable "ALTER TABLE ? NOCHECK CONSTRAINT all"
DECLARE @sql NVARCHAR(max)=''

SELECT @sql += ' Drop table ' + QUOTENAME(TABLE_SCHEMA) + '.'+ QUOTENAME(TABLE_NAME) + '; '
FROM   INFORMATION_SCHEMA.TABLES
WHERE  TABLE_TYPE = 'BASE TABLE'
Exec Sp_executesql @sql

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