Home
Current Affairs January 2024

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.

Correct Answer :

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.


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.

Related Questions

What is the correct answer?

4

SQL EXCEPT returns the record from -

A. First SELECT Query

B. Second SELECT Query

C. Third SELECT Query

D. None of the above

What is the correct answer?

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

What is the correct answer?

4

When the table is dropped:

A. Table structure is dropped

B. Integrity constraints are dropped

C. Relationship is dropped

D. All of the above

What is the correct answer?

4

The table records can be retrieved using which command?

A. RETRIEVE

B. SELECT

C. CREATE

D. ALTER

What is the correct answer?

4

In more readable form, you can retrieve the date values, using ______ function?

A. DATE

B. DATE_FORM

C. DATE_FORMAT

D. DATE_VALUE

What is the correct answer?

4

In order to delete the database, which keyword is used?

A. DROP

B. DELETE

C. ALTER

D. None of the above

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

What does the ALTER TABLE Statement do?

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

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

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

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

What is the correct answer?

4

Which of the following is among the 12 Codd's Rules?

A. View Updating Rule

B. Relational Level Operation Rule

C. Distribution Independence Rule

D. None of the above

What is the correct answer?

4

TINYTEXT can hold the maximum length of ___ characters?

A. 254

B. 255

C. 256

D. 257

What is the correct answer?

4

What does AVG() function returns?

A. First value of the column

B. Last value of the column

C. Sum of rows of the table

D. Average value of the column

What is the correct answer?

4

The ____ size of the result is shown by Script Quota.

A. Minimum

B. Maximum

C. Average

D. None of the above

What is the correct answer?

4

SQL Operator can be,

A. Unary

B. Binary

C. Both A and B

D. None of the above

What is the correct answer?

4

GROUP BY clause is placed before which clause in SQL?

A. HAVING

B. WHERE

C. ORDER BY

D. FROM

What is the correct answer?

4

Using which SQL Comparison Operator can we find the data that matches our query?

A. SQL Not Equal Operator (!=)

B. SQL Equal Operator (=)

C. SQL Greater Than Operator (>)

D. SQL Less Than Operator (<)

What is the correct answer?

4

Which of the following is TRUE about Intrusion Detection System?

A. Intrusion Detection System is Network-based

B. Intrusion Detection System is Host-based

C. Both A) and B)

D. None of the above

What is the correct answer?

4

Foreign key is a field in a table that is _______ key in another table?

A. Primary

B. Unique

C. Composite

D. None of the above

What is the correct answer?

4

Which statement is not true about SQL?

A. Using SQL in relational databases is all about inserting, updating, and deleting data.

B. Sample data can also be described with the aid of this tool.

C. It helps develop relational database functions, events, and views.

D. A SQL user can also set restrictions and permissions for a table column, a view, and a stored procedure.

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

Which of the following is NOT the SQL Arithmetic Operator?

A. Addition

B. Subtraction

C. Unary

D. Modulus

What is the correct answer?

4

Full form of LCASE is -

A. Low case

B. Letter case

C. Light case

D. Lower case

What is the correct answer?

4

Which of the following statement is TRUE about DISTINCT Clause?

A. It cannot ignore the NULL values

B. It can ignore the NULL values

C. Its query can return multiple values

D. None of the above

What is the correct answer?

4

What is the difference between HAVING and WHERE clause?

A. HAVING clause is used in column operation whereas WHERE clause is used in row operation.

B. HAVING clause is post-filter whereas WHERE clause is pre-filter.

C. HAVING clause filters the groups whereas WHERE clauses filter the single record of the table.

D. All of the above

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

BETWEEN operator is used with which SQL Statements

A. SELECT

B. DELETE

C. INSERT

D. All of the above

What is the correct answer?

4

Select the correct statement.

A. TRUNCATE TABLE is faster than DELETE TABLE statement.

B. TRUNCATE TABLE uses fewer resources than DELETE TABLE statement.

C. Both A) and B)

D. None 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

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

What is the work of INSERT command?

A. Inserting records or data into the database tables is accomplished with this command. In addition to inserting records in single rows, we can insert records in multiple rows as well.

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

In case the CTE is wrong, it goes into

A. Infinite Loop

B. Null State

C. False State

D. True State