Which statement is TRUE about the ORDER BY Clause?
In order to return the rows in a specific order, ORDER BY Clause is used.
In order to group the rows, ORDER BY Clause is used.
In order to select the defined groups, ORDER BY Clause is used.
None of the above
Correct Answer :
A. In order to return the rows in a specific order, ORDER BY Clause is used.
In order to return the rows in a specific order, ORDER BY Clause is used.
Related Questions
A Sub query is an SQL expression that is placed ____ another SQL statement.
Before
After
Inside
Outside
Using SQL SELECT RANDOM() function, one can return the random
Table
Database
Row
Column
Select the correct statement.
DDL consist of 4 commands
DCL consist of 2 commands
TCL consist of 5 commands
DML consist of 3 commands
Through which system, we can detect SQL Injection attacks?
Injection Detection System
Attack Detection System
Intrusion Detection System
None of the above
Which one if these is used to put the same value in all the rows?
Group by unique column
Group by single column
Group by one column
Group by same value
Comments whose starting and ending lines are different are known as
Inline Comments
Multi-line Comments
Single Line Comments
Varied line Comments
What does the COMMIT Statement do?
The data specified in this table or view is reported in this SQL statement.
Changes made in the SQL database transaction are permanently saved using this SQL statement.
Specify the columns of the table in this SQL statement to return distinct values.
By running this SQL statement, the transaction will be undone and the operations not yet saved to the SQL database will be undone.
The table records can be retrieved using which command?
RETRIEVE
SELECT
CREATE
ALTER
What is the meaning of Null Values in Systematic Treatment of Null Values in the 12 Codd's Rules?
No value in cell
Inappropriate Information
Unknown data
All of the above
Primary keys can be contained in a table only ____?
Once
Twice
Thrice
None of the above
Host-based IDS can be used to monitor
Web server logs
When something weird occurs
Both A) and B)
None of the above
Full form of DCL is -
Data Control Language
Data Commit Language
Data Common Language
Data Concatenate Language
With which of the following statement(s) can the SQL sub queries be used?
SELECT
UPDATE
INSERT
All of the above
The SELECT TOP statement shows the limited number of:
Rows
Columns
Tables
None of the above
The scalar functions operate on each record ____ in SQL.
Dependently
Independently
Interdependently
Intradependently
Read in CRUD Operator means
To retrieve data
To fetch data
Both A. and B.
None of the above
SQL contains which component in its process?
Optimization Engines
SQL Query Engines
Query Dispatchers
All of the above
Select the statement which is TRUE?
In a table, there could be any number of rows and any number of columns.
In a table, there could be any number of rows and specified number of columns.
In a table, there could be any number of columns and specified number of rows.
In a table, there could be specified number of rows and specified number of columns.
What is the work of UPDATE command?
A single or multiple rows can be accessed using this command from one or more tables of a database. Using the WHERE clause with this command is also possible.
Using this command, you can remove or erase recorded information from a database table.
Database data can be updated or changed using this command.
It enables you to create new databases, tables, table views, and other objects using this command.
BETWEEN operator is used with which SQL Statements
SELECT
DELETE
INSERT
All of the above
How can we prevent SQL Injection attack?
We should pre-define the input type, input field and length of the user data to validate the input for the user authentication.
Access privileges should be restricted for the users
Administrator accounts should not be used.
All of the above
In order to manage or store the data in the database, WEB SQL Database is used which is a
Web site
Web page
Web browser
None of the above
In order to start the transaction, the command used is
Mysql > START COMMIT;
Mysql > START TRANSACTION;
Mysql > START ROLLBACK;
None of the above
Using which clause, can SQL EXCEPT be used in single table?
TO
AS
WHERE
IN
What will be the output of the below SQL statement?
25
26
25.65
25.00
Which function returns the correct date and time?
DATE()
NOW()
TIME()
DATETIME()
TINYTEXT can hold the maximum length of ___ characters?
254
255
256
257
Combining the results of ___ select statements will be done using UNION.
One
Two
Three
Four
Unique Index is similar to
Primary Key
Foreign Key
Composite Key
Alternate Key
____ function extract characters from the text field.
LEN()
NOW()
MID()
FORMAT()