-- Drop all tables from a database

USE your_database_name; -- Replace "your_database_name" with the actual name of the database you want to delete tables from

​

DECLARE @sql NVARCHAR(MAX) = N'';

​

SELECT @sql += N'DROP TABLE ' + QUOTENAME(TABLE_SCHEMA) + '.' + QUOTENAME(TABLE_NAME) + ';

'

FROM INFORMATION_SCHEMA.TABLES

WHERE TABLE_TYPE = 'BASE TABLE';

​

EXEC(@sql);

DO $$ 

DECLARE 

    v_table_name text; 

BEGIN 

    FOR v_table_name IN (SELECT table_name FROM information_schema.tables WHERE table_schema = 'public' AND table_type = 'BASE TABLE') 

    LOOP 

        EXECUTE 'DROP TABLE IF EXISTS ' || v_table_name || ' CASCADE'; 

    END LOOP; 

END $$;

DELETE FROM `mytable name` WHERE TRUE; # i test BigQuery Google Cloud

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

​