Home
Current Affairs January 2024

What is the correct answer?

4

Commands that come under TCL is/are -

A. COMMIT

B. ROLLBACK

C. SAVEPOINT

D. All of the above

Correct Answer :

D. All of the above


Commands that comes under TCL are COMMIT, ROLLBACK & SAVEPOINT.

Related Questions

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

What can be the maximum size of char(n) in SQL Server String Data Type?

A. 7000

B. 8000

C. 9000

D. 10000

What is the correct answer?

4

What is the meaning of Null Values in Systematic Treatment of Null Values in the 12 Codd's Rules?

A. No value in cell

B. Inappropriate Information

C. Unknown data

D. All of the above

What is the correct answer?

4

Which of the following is the feature(s) of SQL Auto Increment?

A. In some cases you may not have any unique identifying characteristics in data; therefore, it makes sense to create a Primary Key.

B. Explicitly initializing and modifying the auto-increment value is possible at any time.

C. Record identifiers can easily be created that are unique to each record.

D. All of the above

What is the correct answer?

4

____ are the columns for the retrieval purpose.

A. Tables

B. WHERE Conditions

C. Expressions

D. None of the above

What is the correct answer?

4

Full form of TCL is -

A. Transaction Common Language

B. Transaction Commit Language

C. Transaction Concatenate Language

D. Transaction Control Language

What is the correct answer?

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

What is the correct answer?

4

Select the statement which is TRUE?

A. In a table, there could be any number of rows and any number of columns.

B. In a table, there could be any number of rows and specified number of columns.

C. In a table, there could be any number of columns and specified number of rows.

D. In a table, there could be specified number of rows and specified number of columns.

What is the correct answer?

4

The records and structure of a table may be removed or deleted from the database using which command?

A. REMOVE

B. DELETE

C. DROP

D. TRUNCATE

What is the correct answer?

4

Local Temp Variable is used with which sign?

A. ?

B. @

C. #

D. &

What is the correct answer?

4

Which of the following is SQL Server Numeric Data Type?

A. image

B. nchar

C. money

D. cursor

What is the correct answer?

4

Which of the following statement is correct for SQL Multiplication Operator?

A. SELECT Operand1+Operand2;

B. SELECT Operand1*Operand2;

C. SELECT Operand1**Operand2;

D. SELECT Operand1

What is the correct answer?

4

Full form of DDL is

A. Data Describe Language

B. Definition Data Language

C. Data Definition Language

D. Data Distinct Language

What is the correct answer?

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

What is the correct answer?

4

In order to manage or store the data in the database, WEB SQL Database is used which is a

A. Web site

B. Web page

C. Web browser

D. None of the above

What is the correct answer?

4

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

A. First

B. Second

C. Third

D. Last

What is the correct answer?

4

____ integrity is achieved by using a foreign key.

A. Referential Integrity

B. Domain Integrity

C. User-defined Integrity

D. Entity Integrity

What is the correct answer?

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

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 syntax is correct for RENAME DATABASE in SQL?

A. RENAME old_database_name TO new_database_name;

B. RENAME DATABASE old_database_name TO new_database_name;

C. ALTER old_database_name MODIFY NAME = new_database_name;

D. ALTER DATABASE old_database_name MODIFY NAME = new_database_name;

What is the correct answer?

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.

What is the correct answer?

4

In DBMS, table is known as _____ and row is known as _____.

A. Relation, Tuple

B. Tuple, Tuple

C. Tuple, Relation

D. Relation, Relation

What is the correct answer?

4

Output returned by the Scalar functions is/are -

A. Single Value

B. Multiple Value

C. Two Values

D. None of the above

What is the correct answer?

4

Difference between GRAND & REVOKE command is/are?

A. The GRANT command can be used to grant a user access to databases and tables whereas The REVOKE command can be used to revoke all access privileges already assigned to the user.

B. The REVOKE command can be used to grant a user access to databases and tables whereas The GRANT command can be used to revoke all access privileges already assigned to the user.

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

D. None of the above

What is the correct answer?

4

Unique Index is similar to

A. Primary Key

B. Foreign Key

C. Composite Key

D. Alternate Key

What is the correct answer?

4

What is SQL CREATE Table used for?

A. To Update table

B. To Create table

C. To Delete table

D. None of the above

What is the correct answer?

4

Select the correct syntax for Multi-line Comments.

A. //*Line1

B. Line2*//

C. /*Line1

D. Line2/*

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

Following the completion of a transaction, it must be executed to save all the operations performed in the transaction. Here we are talking about which command?

A. REVOKE

B. COMMIT

C. ROLLBACK

D. SAVE

What is the correct answer?

4

SET Operators are used to

A. Compile the results from two queries

B. Compile the results from three queries

C. Compile the results from four queries

D. Compile the results from five queries