MCQ IN COMPUTER SCIENCE & ENGINEERING

COMPUTER SCIENCE AND ENGINEERING

SQL

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
It is a command from DML that is used to remove an existing record.
A
DROP
B
DELETE
C
ERASE
D
EDIT
Explanation: 

Detailed explanation-1: -The Delete command in SQL is a part of the Data Manipulation Language, a sub-language of SQL that allows modification of data in databases. This command is used to delete existing records from a table. Using this, you can either delete specific records based on a condition or all the records from a table.

Detailed explanation-2: -The DELETE command is used to delete particular records from a table. The TRUNCATE command is used to delete the complete data from the table. It is a DML command.

Detailed explanation-3: -DELETE is a DML command used to delete existing records from the table.

Detailed explanation-4: -The DELETE statement is used to delete existing records in a table.

Detailed explanation-5: -DELETE is a DML(Data Manipulation Language) command and is used when we specify the row(tuple) that we want to remove or delete from the table or relation. The DELETE command can contain a WHERE clause.

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