difference between delete and truncate ?
basic database questions

Question

prachi · Accepted Answer

delete:delete row or table but can not free up space.dml command.rolled back.
trucate:delete table and also free up the space.ddl command..not rolled back.

brajesh kumar · Answer

Delete command will delete whole data from the table and table as well,after that there is no existence of table (table is deleted permanently ). 
Truncate command will delete the data in the table but the structure of the table will remain,at any point of time we can use that  structure.(structure of table will remain in the memory).used in testing purpose.

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