Home
Current Affairs January 2024

What is the correct answer?

4

What is the work of SELECT command?

A. Database objects such as tables, table views, and other objects can be deleted using this command.

B. Database objects such as tables, table views, and other objects can be deleted using this command.

C. One or more rows from one or more tables of the database can be accessed with this command. Using the WHERE clause with this command is also possible.

D. It enables you to create new databases, tables, table views, and other objects using this command.

Correct Answer :

C. One or more rows from one or more tables of the database can be accessed with this command. Using the WHERE clause with this command is also possible.


Using the SELECT command, one or more rows from one or more tables of the database can be accessed. Using the WHERE clause with this command is also possible.

Related Questions

What is the correct answer?

4

Which function returns the correct date and time?

A. DATE()

B. NOW()

C. TIME()

D. DATETIME()

What is the correct answer?

4

What is the full form of BLOB?

A. Binary Long Objects

B. Binary Least Objects

C. Binary Large Objects

D. Binary Large Orientation

What is the correct answer?

4

Which of the following is SQL Server String Data Type?

A. ntext

B. binary(n)

C. varbinary

D. All of the above

What is the correct answer?

4

Rules that are needed to be followed in SET Operators in SQL are

A. All columns must be identical in number and order.

B. There must be compatibility between data types.

C. Both A and B

D. None of the above

What is the correct answer?

4

What does the DROP TABLE Statement do?

A. The table, its structure, views, permissions, and triggers will also be deleted or removed with this SQL statement.

B. A new table in SQL is created using this SQL statement.

C. Columns in the SQL database can be created, deleted, or modified with this SQL statement.

D. A new database will be created through this SQL statement.

What is the correct answer?

4

Command that comes under DCL is/are -

A. GRANT

B. REVOKE

C. Both A. and B.

D. None of the above

What is the correct answer?

4

Description allows the Script to load the

A. Owner of the script

B. Script name

C. Script Editor

D. All of the above

What is the correct answer?

4

To add a Primary Key constraint after table is created, which clause is used?

A. UPDATE

B. ADD

C. ALTER

D. JOIN

What is the correct answer?

4

Primary keys can be contained in a table only ____?

A. Once

B. Twice

C. Thrice

D. None of the above

What is the correct answer?

4

What is TRUE about NOT IN clause?

A. The result is purged of duplicates

B. Duplicate records are not removed

C. Performs column-by-column comparisons

D. None of the above

What is the correct answer?

4

In order to remove a primary key constraint, which clause is used?

A. DELETE

B. DROP

C. ALTER

D. REMOVE

What is the correct answer?

4

The scalar functions operate on each record ____ in SQL.

A. Dependently

B. Independently

C. Interdependently

D. Intradependently

What is the correct answer?

4

In the case of ____ Independence Rule, if using the SQL queries language to insert data into table's cells, the database must maintain integrity independence.

A. Interdependent

B. Intradependent

C. Integration

D. Integrity

What is the correct answer?

4

In LIKE clause, to represent a single character, _____ is used.

A. -

B. _

C. !

D. &

What is the correct answer?

4

What does the DESCRIBE Statement do?

A. In this SQL statement, the data or records are inserted into an existing database table. One query statement can insert multiple records simultaneously using this statement.

B. By executing this SQL statement, all records in the SQL database will be deleted.

C. Specify the columns of the table in this SQL statement to return distinct values.

D. The data specified in this table or view is reported in this SQL statement.

What is the correct answer?

4

Select the correct rule of SQL EXCEPT.

A. There must be the same number of columns in each table and the same order in every select statement.

B. It is desirable that the columns have similar or compatible data types.

C. Both SELECT statements must have the same fields in their respective columns.

D. All of the above

What is the correct answer?

4

SQL Like is NOT used with which of the following statement(s)?

A. DELETE

B. SELECT

C. UPDATE

D. ALTER

What is the correct answer?

4

Which of the following are the types of the temp tables?

A. Local Temp

B. Global Temp

C. Both A) and B)

D. None of the above

What is the correct answer?

4

Using the DELETE Query from the CRUD Operator, we can delete

A. Only one row

B. All the rows

C. Only two rows

D. None of the above

What is the correct answer?

4

Select the statement which is TRUE?

A. In case a transaction is rolled back, the data allied with table variable also get rolled back.

B. In case a transaction is rolled back, the data allied with table variable does not roll back.

C. In case a transaction is not rolled back, the data allied with table variable get rolled back.

D. None of the above.

What is the correct answer?

4

LIKE clause can be used with

A. % operator

B. _ operator

C. NOT operator

D. All of the above

What is the correct answer?

4

Which statement is used to select the database in SQL?

A. SELECT

B. USE

C. ALTER

D. CREATE

What is the correct answer?

4

Which of these are the types of operators?

A. Arithmetic

B. Comparison

C. Set

D. All of the above

What is the correct answer?

4

What does the CREATE INDEX Statement do?

A. An index is created in a SQL database table with this SQL statement.

B. Changes made in the SQL database transaction are permanently saved using this SQL statement.

C. By running this SQL statement, the transaction will be undone and the operations not yet saved to the SQL database will be undone.

D. The SQL database table's index is deleted using this SQL statement.

What is the correct answer?

4

Number of operands used by Unary Operator is?

A. 1

B. 2

C. 3

D. 4

What is the correct answer?

4

What is the default length of any data type in the CAST function?

A. 10

B. 20

C. 30

D. 40

What is the correct answer?

4

Select the correct statement.

A. With the DDL commands, any structural changes can be made to the table, including creation, deletion, and alteration.

B. With the DML commands, any structural changes can be made to the table, including creation, deletion, and alteration.

C. With the DCL commands, any structural changes can be made to the table, including creation, deletion, and alteration.

D. With the TCL commands, any structural changes can be made to the table, including creation, deletion, and alteration.

What is the correct answer?

4

In order to execute a query in Web SQL, which function is used?

A. open()

B. translate()

C. transaction()

D. execute()

What is the correct answer?

4

SQL DELETE can be used to delete,

A. Rows

B. Database

C. View

D. All of the above

What is the correct answer?

4

What is TRUE about SQL EXCEPT clause?

A. The result is purged of duplicates

B. Duplicate records are not removed

C. Only one column can be compared by a clause

D. None of the above