delete all records from table

 DELETE FROM table_name WHERE condition;
 

DELETE FROM table_name WHERE condition;

DELETE FROM table_name;

 DELETE FROM table_name WHERE condition;

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

delete from yourTableName where yourColumnName NOT
IN(‘yourValue1’,‘yourValue2’,‘yourValue3’,.........N);