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What is the correct answer?

4

Full form of DCL is -

A. Data Control Language

B. Data Commit Language

C. Data Common Language

D. Data Concatenate Language

Correct Answer :

A. Data Control Language


Full form of DCL is Data Control Language.

Related Questions

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4

In order to convert the expression from one to another data type, which SQL Function is used?

A. CONVERT

B. CHANGE

C. CAST

D. TRANSIT

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4

Which of the following is SQL Server String Data Type?

A. ntext

B. binary(n)

C. varbinary

D. All of the above

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4

Select the correct statement.

A. DDL consist of 4 commands

B. DCL consist of 2 commands

C. TCL consist of 5 commands

D. DML consist of 3 commands

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4

SELECT INTO statement -

A. Select the content from a table.

B. Rename the content in a table.

C. Copy the content from one table into another existing table.

D. None of the above

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4

SQL BETWEEN operators can be used to select the

A. Dates

B. Texts

C. Numbers

D. All of the above

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4

Select the correct syntax for Savepoint.

A. Mysql > Transaction ini;

B. Mysql > &Savepoint;

C. Mysql > START Transaction;

D. Mysql > Savepoint ini;

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4

Select the correct type(s) of SQL Comments.

A. Inline Comments

B. Single Line Comments

C. Multi-line Comments

D. All of the above

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4

Which of the following clause is optional in SQL SELECT Statement?

A. SELECT

B. FROM

C. HAVING

D. None of the above

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4

Bit is an integer that can be

A. 0

B. 1

C. Null

D. All of the above

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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

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4

What will be the output of the below SQL statement?

A. 2021-10-06 00:00:00.000

B. 2021-10-06

C. 2021 OCT 06

D. 06-10-2021

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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

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4

Command that comes under DML is/are

A. ROLLBACK

B. GRANT

C. UPDATE

D. All of the above

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4

____ function extract characters from the text field.

A. LEN()

B. NOW()

C. MID()

D. FORMAT()

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4

Unique Index is similar to

A. Primary Key

B. Foreign Key

C. Composite Key

D. Alternate Key

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4

Full form of LCASE is -

A. Low case

B. Letter case

C. Light case

D. Lower case

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4

The character(s) which are used independently or in conjunction with SQL Like Operator:

A. %

B. _

C. Both A. and B.

D. None of the above

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4

LIKE clause can be used with

A. % operator

B. _ operator

C. NOT operator

D. All of the above

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4

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

A. Table

B. Database

C. Row

D. Column

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4

Which of the following clause cannot be used in SQL sub queries?

A. GROUP BY

B. ORDER BY

C. DELETE

D. FROM

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4

Which of the following is/are TRUE about DDL command?

A. Our data is stored in a table that is described by the schema, thus DDL commands deal with the schema.

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

C. Both A. and B.

D. None of the above

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4

Which of the following is not an SQL Statement?

A. SELECT Statement

B. UPDATE Statement

C. TRUNCATE TABLE Statement

D. FROM Statement

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4

____ integrity is achieved by using a foreign key.

A. Referential Integrity

B. Domain Integrity

C. User-defined Integrity

D. Entity Integrity

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4

Which of the following is NOT the SQL Arithmetic Operator?

A. Addition

B. Subtraction

C. Unary

D. Modulus

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4

In order to prevent multiple records from being returned by the sub query, ____ must be used before the sub query.

A. Many Value Operators

B. Multiple Value Operators

C. Single Value Operator

D. Unique Value Operator

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4

Select the Aggregate function(s) among the following.

A. AVG()

B. FIRST()

C. LAST()

D. All of the above

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4

Which of the following is a SQL Logical Operator?

A. SQL ALL Operator

B. SQL OR Operator

C. SQL LIKE Operator

D. All of the above

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4

What is the difference between nchar and nvarchar?

A. nchar is fixed and nvarchar is variable.

B. nchar is variable and nvarchar is fixed.

C. nchar has the maximum size of 4000 characters and nvarchar has the maximum size of 8000 characters.

D. nchar has the maximum size of 800 characters and nvarchar has the maximum size of 4000 characters.

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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

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4

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

A. DELETE

B. DISTINCT

C. FROM

D. WHERE