The DELETE statement is used to delete rows from a table. If you want to remove a specific row from a table you should use WHERE condition.
You need to specify table name that you want to remove after the
DELETE TABLE keywords. To remove a table, you must have delete table privilege. If the query runs successfully, the table will be removed from the database permanently.
There are some more terms similar to DELETE statement like as DROP statement and TRUNCATE statement but they are not exactly same there are some differences between them.
|1||TRUNCATE is a DDL command||DELETE is a DML command|
|2||TRUNCATE is executed using a table lock and whole table is locked for remove all records.||DELETE is executed using a row lock, each row in the table is locked for deletion.|
|3||We cannot use Where clause with TRUNCATE.||We can use where clause with DELETE to filter & delete specific records.|
|4||TRUNCATE removes all rows from a table.||The DELETE command is used to remove rows from a table based on WHERE condition.|
|5||Minimal logging in transaction log, so it is performance wise faster.||It maintain the log, so it slower than TRUNCATE.|
|6||Truncate cannot be used with indexed views||Delete can be used with indexed views|
DELETE Student_info ---------------------- 1 table deleted;