MCQ IN COMPUTER SCIENCE & ENGINEERING

COMPUTER SCIENCE AND ENGINEERING

SQL

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
It is a DML command that is used to display record.
A
DISPLAY
B
STRUCTURE
C
WHERE
D
SELECT
Explanation: 

Detailed explanation-1: -SELECT is the most important data manipulation command in Structured Query Language. The SELECT command shows the records of the specified table. It also shows the particular record of a particular column by using the WHERE clause.

Detailed explanation-2: -DML(Data Manipulation Language): The SQL commands that deals with the manipulation of data present in the database belong to DML or Data Manipulation Language and this includes most of the SQL statements.

Detailed explanation-3: -The SELECT statement is a limited form of DML statement in that it can only access data in the database. It cannot manipulate data in the database, although it can operate on the accessed data before returning the results of the query.

Detailed explanation-4: -Data Manipulation Language(DML) as the name suggests this subset of SQL commands is used to manipulate the data present in the database. We can add, remove or change the present data in tables using DML commands INSERT, UPDATE, DELETE, and SELECT.

Detailed explanation-5: -SELECT: This command is used to retrieve rows from a table. The syntax is SELECT [column name(s)] from [table name] where [conditions]. SELECT is the most widely used DML command in SQL.

There is 1 question to complete.