smazat všechny záznamy z tabulky
DELETE FROM table_name;
sql odstranit, kde v
-- Deletes all records where `columnName` matches the values in brackets.
DELETE FROM tableName WHERE columnName IN ('val1', 'val2', 'val3');
odstranit všechny řádky z tabulky mysql
-- Quick, no possible rollback
TRUNCATE TABLE my_table;
-- With rollback
DELETE FROM my_table;
COMMIT;