Answers for "sql delete all rows from all tables"

delete all records from table

DELETE FROM table_name;

delete all rows from table sql

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

sql delete where in

-- Deletes all records where `columnName` matches the values in brackets.
DELETE FROM tableName WHERE columnName IN ('val1', 'val2', 'val3');

drop all data from tables

DELETE FROM my_table;			-- all rows, needs a COMMIT to validate
TUNCATE TABLE my_table;			-- all rows, quicker, no possible roolback