Answers for "drop vs delete vs truncate in sql"

SQL
4

ms sql truncate table vs delete

-- Quick, no possible rollback
TRUNCATE TABLE my_table;
-- With possible rollback
DELETE FROM my_table;
COMMIT;  -- or ROLLBACK;
Posted by: Guest on February-27-2021
4

truncate delete and drop in sql

DELETE -
-DML COMMAND
-Delete Rows from the table one by one
-We can use where clause with Delete to delete single row
-Delete is slower than truncate
-ROLLBACK is possible with DELETE

DROP-
-DDL COMMAND
-Delete the entire structure or schema
-We can't use where clause with drop
-Drop is slower than DELETE & TRUNCATE
-ROLLBACK IS NOT POSSIBLE WITH DROP

TRUNCATE-
-DDL COMMAND
-Truncate deletes rows at a one goal
-We can't use where clause with Truncate
-Truncate faster than both DELETE & DROP
-Rollback is not possible with Truncate
Posted by: Guest on December-14-2020

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