Which statement is TRUE about the GROUP BY Clause?
In order to retrieve rows, GROUP BY Clause is used.
In order to group the rows that share the same property, GROUP BY Clause is used.
In order to select the defined groups, GROUP BY Clause is used.
In order to return the rows, GROUP BY Clause is used.
Correct Answer :
B. In order to group the rows that share the same property, GROUP BY Clause is used.
In order to group the rows that share the same property, GROUP BY Clause is used.
Related Questions
When an expression includes ___ SQL operator(s), the sequence in which they are evaluated is known as the SQL operator's precedence.
0
1
Multiple
NULL
In more readable form, you can retrieve the date values, using ______ function?
DATE
DATE_FORM
DATE_FORMAT
DATE_VALUE
What does the following statement do?
Finds any values that start with a and ends with o
Finds any values whose first character is a and third character is o
Both A. and B.
None of the above
Which of the following statement(s) is/are TRUE about DCL?
The DCL commands in SQL allow us to control which users have access to the data stored in SQL tables.
There will be certain privileges that each user has; consequently, the data can be accessed by them.
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.
All of the above
What is the keyword of the Ascending and Descending?
ASCE, DESC
ASC, DES
ASCE, DES
ASC, DESC
What does the following statement do?
Finds any values that start with or
Finds any value that contains only four characters and second, third characters are 'o', 'r'
Finds any values that have or in any position
None of the above
Full form of DML is
Data Multiplication Language
Data Manipulation Language
Data Modify Language
Data Mapping Language
Which of the following is TRUE about Pattern Matching in SQL?
In SQL, pattern matching is performed with LIKE clauses.
An SQL query usually begins with a LIKE clause before a WHERE clause
Using the LIKE clause in an SQL query, we compare the pattern in the query with the pattern present in a table.
All of the above
____ are the columns for the retrieval purpose.
Tables
WHERE Conditions
Expressions
None of the above
The SELECT TOP statement shows the limited number of:
Rows
Columns
Tables
None of the above
What is the full form of CTE in SQL?
Character Table Expressions
Character Table Evaluator
Common Table Evaluator
Common Table Expressions
Which of the following is among the 12 Codd's Rules?
View Updating Rule
Relational Level Operation Rule
Distribution Independence Rule
None of the above
Local Temp Variable is used with which sign?
?
@
#
&
What is Export Script by default?
Workspace_name_size/sql
Workspace_number_script/sql
Workspace_name_script/sql
Workspace_name_script/spl
TINYTEXT can hold the maximum length of ___ characters?
254
255
256
257
What does this SQL database language design to?
Maintain the data in hierarchal database management systems.
Maintain the data in relational database management systems.
Maintain the data in network database management systems.
Maintain the data in object-oriented database management systems.
Which of the following is TRUE about UNIQUE constraint?
In columns that are subject to the UNIQUE constraint, duplicate values are not allowed.
Unique values will always be present in the column containing the unique constraint.
A single table can have more than one unique constraint, since it can be applied to more than one column.
All of the above
Which command will remove the records from the table, but not affect the structure of the table?
REMOVE
DELETE
DROP
TRUNCATE
A single unit of work for all commands executed consecutively is known as-
Transaction
Commit
Rollback
Control
In the case of the ____ Independence Rule, It shouldn't make a difference what the user sees (application) if the logical structure changes.
Physical Data
Logical Data
Integrity
Distribution
Select the statement which is TRUE?
In case a transaction is rolled back, the data allied with table variable also get rolled back.
In case a transaction is rolled back, the data allied with table variable does not roll back.
In case a transaction is not rolled back, the data allied with table variable get rolled back.
None of the above.
In case to prevent the endless loop in CTE, ____ is added.
MAXLINEAR
MAXROUND
MAXRECURSION
None of the above
In order to delete the database, which keyword is used?
DROP
DELETE
ALTER
None of the above
In order to build a link between two tables, which key is used?
Primary
Foreign
Composite
Unique
A Key which uniquely identifies each row in the table is known as?
Primary Key
Unique Key
Composite Key
Foreign Key
Select the Aggregate function(s) among the following.
AVG()
FIRST()
LAST()
All of the above
What does the CREATE DATABASE Statement do?
Columns in the SQL database can be created, deleted, or modified with this SQL statement.
The table, its structure, views, permissions, and triggers will also be deleted or removed with this SQL statement.
In the database management system, this SQL statement deletes the existing database, together with all the database tables and views.
A new database will be created through this SQL statement.
Which keyword is used in SQL Server to implement the auto increment?
UNIQUE
IDENTITY
INCREMENT
ADD
Whenever a sub query appears in SQL, it is enclosed within ____ and placed to the ____ of the SQL operators.
Brackets, Left
Brackets, Right
Parenthesis, Left
Parenthesis, Right
Which of the following statement is TRUE about SQL Injection?
SQL Injection is an Object Penetration Technique
SQL Injection is a Function Penetration Technique
SQL Injection is a Code Penetration Technique
SQL Injection is a Database Penetration Technique