Use the DELETE statement without specifying a WHERE clause. With segmented table spaces, deleting all rows of a table is very fast. … Use the TRUNCATE statement. The TRUNCATE statement can provide the following advantages over a DELETE statement: … Use the DROP TABLE statement.
How delete all data from table in SQL?
- Use the DELETE statement without specifying a WHERE clause. With segmented table spaces, deleting all rows of a table is very fast. …
- Use the TRUNCATE statement. The TRUNCATE statement can provide the following advantages over a DELETE statement: …
- Use the DROP TABLE statement.
Can you delete from multiple tables at once SQL?
The syntax also supports deleting rows from multiple tables at once. To delete rows from both tables where there are matching id values, name them both after the DELETE keyword: … DELETE t1 FROM t1 LEFT JOIN t2 ON t1.id = t2.id WHERE t2.id IS NULL; MySQL supports a second multiple-table DELETE syntax.
