Home
Current Affairs January 2024

What is the correct answer?

4

SQL has the advantage of?

A. SQL require a lot of programming.

B. SQL provides High-Speed Query Processing.

C. SQL follows the standard languages of ANSI and ISO.

D. SQL is easily portable.

Correct Answer :

A. SQL require a lot of programming.


SQL does not required programming.

Related Questions

What is the correct answer?

4

How MySQL determines which one to use, FLOAT or DOUBLE, using the p parameter?

A. If p comes between 0 to 25, data type becomes FLOAT(). If p comes between 26 to 54, data type becomes DOUBLE().

B. If p comes between 26 to 54, data type becomes FLOAT(). If p comes between 0 to 25, data type becomes DOUBLE().

C. If p comes between 25 to 53, data type becomes FLOAT(). If p comes between 0 to 24, data type becomes DOUBLE().

D. If p comes between 0 to 24, data type becomes FLOAT(). If p comes between 25 to 53, data type becomes DOUBLE().

What is the correct answer?

4

Which of the following statement is FALSE?

A. A Primary Key cannot be NULL

B. A Foreign Key cannot be NULL

C. A Primary Key cannot be Duplicate

D. A Foreign Key can be Duplicate

What is the correct answer?

4

What is the symbol of Concatenation Operator?

A. |

B. ||

C. //

D. \

What is the correct answer?

4

What will be the output of the below SQL statement?

A. 25

B. 26

C. 25.65

D. 25.00

What is the correct answer?

4

Which of the following is not a SQL Logical Operator?

A. SQL Equal Operator

B. SQL ANY Operator

C. SQL BETWEEN Operator

D. SQL IN Operator

What is the correct answer?

4

Which one of the syntaxes given below is of Binary Operator?

A. Operator SQL _Operand

B. Operand2 SQL _Operator Operand1

C. Operand1 SQL _Operator Operand1

D. Operand1 SQL _Operator Operand2

What is the correct answer?

4

____ function extract characters from the text field.

A. LEN()

B. NOW()

C. MID()

D. FORMAT()

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

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

What is the clause to delete all rows from the table?

A. SQL DELETE ALL ROWS Table_Name;

B. SQL DELETE ROWS Table_Name;

C. DELETE FROM ALL ROWS Table_Name;

D. DELETE FROM Table_Name;

What is the correct answer?

4

Local Temp Variable is used with which sign?

A. ?

B. @

C. #

D. &

What is the correct answer?

4

Choose the correct syntax of NOW function?

A. SELECT ()NOW;

B. NOW() SELECT;

C. SELECT NOW();

D. SELECT OWN();

What is the correct answer?

4

What is meant by 'SQL is an interactive language'?

A. Learning and understanding SQL is easy

B. It can also be used for communicating with the database.

C. In a few seconds, complex queries can also be answered using this language.

D. All of the above

What is the correct answer?

4

In SQL, Like is a ____ operator.

A. Relational

B. Logical

C. Additional

D. Unique

What is the correct answer?

4

Which of the following is not an SQL Statement?

A. SELECT Statement

B. UPDATE Statement

C. TRUNCATE TABLE Statement

D. FROM Statement

What is the correct answer?

4

Using SQL SELECT RANDOM() function, one can return the random

A. Table

B. Database

C. Row

D. Column

What is the correct answer?

4

How many temp tables are there?

A. 1

B. 2

C. 3

D. 4

What is the correct answer?

4

In case of ____Rule, the primary key value, table name, and column name are characteristics that allow us to access the precise data (atomic value) logically from a relational database.

A. Systematic Treatment of Null Values

B. Guaranteed Access

C. View Updating

D. Physical Data Independence

What is the correct answer?

4

We can use literal in the CONCAT function. What does literal refer to?

A. Number

B. Character

C. Date

D. All of the above

What is the correct answer?

4

Using the SQL first() function, one can return the ____ value of the selected column.

A. First

B. Second

C. Third

D. Last

What is the correct answer?

4

SQL EXCEPT clause is supported in

A. MySQL

B. PostgreSQL

C. Both A and B

D. None of the above

What is the correct answer?

4

In order to join N tables, minimum number of join statements required is

A. N

B. N-1

C. N-2

D. N+1

What is the correct answer?

4

What does the COMMIT Statement do?

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

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

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

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

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 UPDATE Statement do?

A. By deleting the stored data, this SQL statement deletes the database.

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

C. The stored data in the SQL database is changed or modified by this SQL statement.

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

What is the correct answer?

4

In order to delete duplicate rows from the table, which keyword is used?

A. DELETE

B. DISTINCT

C. FROM

D. WHERE

What is the correct answer?

4

What is TRUE about SAVEPOINT?

A. Following the completion of a transaction, it must be executed to save all the operations performed in the transaction.

B. A transaction can be rolled back to its last saved state.

C. A specific part of a transaction can be given a name

D. None of the above

What is the correct answer?

4

Which keyword is used in SQL Server to implement the auto increment?

A. UNIQUE

B. IDENTITY

C. INCREMENT

D. ADD

What is the correct answer?

4

What is the work of DROP command?

A. Using this command, you can remove or erase recorded information from a database table.

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.

What is the correct answer?

4

Which function is used to extract substrings from the column of the table

A. ROUND()

B. MID()

C. FORMAT()

D. NOW()