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4

Full form of TCL is -

A. Transaction Common Language

B. Transaction Commit Language

C. Transaction Concatenate Language

D. Transaction Control Language

Correct Answer :

D. Transaction Control Language


Full form of TCL is Transaction Control Language.

Related Questions

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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

All other columns other than the column which is termed as Primary Key, are known as

A. Unique Keys

B. Alternate Keys

C. Composite Keys

D. None of the above

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4

SQL indexes speed up the execution time of which statement(s)?

A. SELECT

B. WHERE

C. Both A and B

D. None of the above

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4

SQL Division operator divides the operand on the ____ side by the operand on the ____ side.

A. Left, Left

B. Right, Left

C. Left, Right

D. Right, Right

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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

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4

Which one is not the OPTIONAL Clause in SELECT statement?

A. WHERE

B. ORDER BY

C. HAVE

D. HAVING

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4

What is meant by Partial Database Control?

A. Business rules are hidden.

B. Users or professionals can't have the full control over the database.

C. Both A and B

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

In SQL, Like is a ____ operator.

A. Relational

B. Logical

C. Additional

D. Unique

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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

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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

What is Export Script by default?

A. Workspace_name_size/sql

B. Workspace_number_script/sql

C. Workspace_name_script/sql

D. Workspace_name_script/spl

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4

Number of operands used by Unary Operator is?

A. 1

B. 2

C. 3

D. 4

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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

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

A. open()

B. translate()

C. transaction()

D. execute()

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4

Which statement is used to select the database in SQL?

A. SELECT

B. USE

C. ALTER

D. CREATE

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4

When SELECT statements used to create Views contain ____ clauses, the views cannot be updated.

A. JOIN

B. HAVING

C. GROUP BY

D. All of the above

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4

What will be the output of the below SQL statement?

A. 25

B. 26

C. 25.65

D. 25.00

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4

Using which clause, can SQL EXCEPT be used in single table?

A. TO

B. AS

C. WHERE

D. IN

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4

What does COUNT() function returns?

A. Average value

B. Largest value

C. Smallest value

D. Number of rows

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4

In order to start the transaction, the command used is

A. Mysql > START COMMIT;

B. Mysql > START TRANSACTION;

C. Mysql > START ROLLBACK;

D. None of the above

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4

Which of the following statement(s) is/are TRUE about DCL?

A. The DCL commands in SQL allow us to control which users have access to the data stored in SQL tables.

B. There will be certain privileges that each user has; consequently, the data can be accessed by them.

C. The DCL commands in SQL allow us to grant privileges to a user on the SQL database and its table(s), or revoke privileges that have already been granted.

D. All of the above

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4

Select the syntax of Single Line Comment.

A. .

B. !

C. --

D. #

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4

Which statement is true about the No-SQL?

A. No-SQL follows ACID Model.

B. No-SQL does require object-relational mapping.

C. Dynamic schemas for unstructured data are used in No-SQL databases.

D. No-SQL databases are not preferable for storage of hierarchal data.

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4

____ are the columns for the retrieval purpose.

A. Tables

B. WHERE Conditions

C. Expressions

D. None of the above

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4

In LIKE clause, to represent a zero, a character, or a number of characters ___ is used.

A. /

B. _

C. *

D. %

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4

Commands that come under TCL is/are -

A. COMMIT

B. ROLLBACK

C. SAVEPOINT

D. All of the above

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4

Using the SQL last() function, one can return the ______ value of the selected column.

A. First

B. Second

C. Third

D. Last

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4

What is the difference between DELETE and TRUNCATE statements?

A. DELETE statement free up the space kept in check by the table whereas TRUNCATE statement does not free up the space kept in check by the table.

B. DELETE statement does not free up the space kept in check by the table whereas TRUNCATE statement free up the space kept in check by the table.

C. DELETE statement only deletes rows from the table whereas TRUNCATE statement can only delete columns from the table.

D. DELETE statement only deletes columns from the table whereas TRUNCATE statement can only delete rows from the table.

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4

In the relational database, in order to modify index, we need to use which command?

A. ALTER

B. MODIFY

C. UPDATE

D. ADD