COMPUTER SCIENCE AND ENGINEERING
SQL
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
REMOVE
|
|
COLLAPSE
|
|
DELETE
|
|
DROP
|
Detailed explanation-1: -The DELETE statement is used to delete existing records in a table.
Detailed explanation-2: -The DROP DATABASE statement is used to drop an existing SQL database.
Detailed explanation-3: -The DROP TABLE statement is used to drop an existing table in a database.
Detailed explanation-4: -Use DELETE FROM with the name of the table from which you’d like to delete a row. In WHERE, write the condition specifying the row. If you have a specific row in mind, it is best to write the condition using the column containing unique values.
Detailed explanation-5: -DELETE is a DML (Data Manipulation Language) command. This command removes records from a table. It is used only for deleting data from a table, not to remove the table from the database.