delete all rows table sql code example

Example 1: delete all records from table

DELETE FROM table_name;

Example 2: delete all rows from table sql

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

Example 3: delete all records from table except sql

DELETE FROM my_table WHERE col1 > 2;
DELETE FROM my_table WHERE col1 IS NOT NULL;