sql empty table
-- Quick, no possible rollback
TRUNCATE TABLE my_table;
-- With possible rollback
DELETE FROM my_table;
COMMIT; -- or ROLLBACK;sql empty table
-- Quick, no possible rollback
TRUNCATE TABLE my_table;
-- With possible rollback
DELETE FROM my_table;
COMMIT; -- or ROLLBACK;select from 3 tables one is empty
Replacing "JOIN", which implies "INNER JOIN", by "LEFT JOIN" should do the trick.Copyright © 2021 Codeinu
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