Sql премахва всички редове от таблицата

Примерен код

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изтриване на всички записи от таблицата

DELETE FROM table_name;
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изтрийте всички редове от таблицата в mysql

-- Quick, no possible rollback
TRUNCATE TABLE my_table;
-- With rollback
DELETE FROM my_table;
COMMIT;
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SQL-заявка за изтриване на всички таблици в базата данни

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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изтриване на всички записи на sql-състояние


DELETE FROM category where category_model is  'NULL';

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