SQL | Structured Query Language Test

To Create a new database __________ Command is used

Which one is not part of the Database backup file?

Which of the following is the original purpose of SQL?

What does a DML Stand for?

What is the meaning of a Database?

With SQL, how do you select all the records from a table named "Persons" where the value of the column "Firstname" ends with an ''a''?

Which command is used to change the definition of a table in SQL ?

Select ID, name, dept name, salary * 1.1 where instructor;

The query given below will not give an error. Which one of the following has to be replaced to get the desired output?

You can delete a view with _____________ Command.

Which syntax is used for Drop Index (idx_pname) from the Person table in MYSQL?

The ___ clause allows us to select only those rows in the result relation of the clause that satisfy a specified predicate.

Which of the SQL statement is correct?

Select ID, GPA from student grades order by GPA ____________.

In order to give only 10 ranks, on the whole, we should use.

The HAVING clause does which of the following?

Syntax for create a views is _______

Select ________ dept_name from instructor;

Here which of the following displays the unique values of the column?

What can be the condition in the "WHERE" clause in a SQL query?

What is the significance of the statement “HAVING COUNT (emp_id)>2” in the following MySQL statement?

SELECT d.name, COUNT (emp_id) emp_no

FROM department d INNER JOIN Employee e

ON d.dept_id=e.emp_id

GROUP BY d.name

HAVING COUNT (emp_id)>2

How to delete the Customer name of Alfreds Futterkiste (CustomerID is 1) from the Customers table?

The SQL WHERE clause used for

Select two options which do not belong to the Purpose of Delete

Find all the cities whose humidity is 89

Analyze the following Query and Mark the answer whether it's a correct query or not?

Select OrderID, Shipdate

From Orders

Where CustomerID=20

Order by Shipdate;

If you don't specify ASC or DESC after a SQL ORDER BY clause, the following is used by default

If emp_id contains the following set {-1, -2, 2, 3, -3, 1}, what will be the output on the execution of the following MySQL statement?

SELECT emp_id

FROM person

ORDER BY emp_id;

Analyse the following Query and Mark the answer whether it's the correct query or not?

SELECT Name, Age, Firstname, Lastname

FROM EMPLOYEE

GROUP BY NAME, SALARY;

What is the significance of “ORDER BY” in the following MySQL statement?

SELECT emp_id, fname, lname

FROM person

ORDER BY emp_id;

Which of the following query is correct for selecting the name of the staff from ''staffinfo'' table where salary is 10000 or 25000?

What is the significance of the statement of the below query?

SELECT branch_name, COUNT (DISTINCT customer_name)

FROM depositor, account

WHERE depositor.account_number = account.account_number

GROUP BY branch_id

Find the names of the countries whose condition is sunny

Which of the following operators cannot be used in a sub-query?

Where subqueries can not be used?

A subquery in an SQL SELECT statement is enclosed in

Which of the following statement(s) is TRUE regarding subqueries?

Which of the following clause is mandatorily used in a sub-query?

By default, which key creates Clustered index?

Can you validate the statement?

We can use the index on columns that contain a high number of NULL values.

True or False?

Which of the following is not a Key in SQL Server?

A Key which is a set of one or more columns that can identify a record uniquely is called?

Which one of the following can be taken as a Primary Key?

Statement: Join for each row of one table to every row of another table.

Which Join?

Can you validate the statement?

Join is different from Inner join.

True or False?

In which two cases would you use an outer join? (Choose two.)

Analyze the following tables and output and choose the correct query to achieve the output.

Where are Joins used?

How many tables may include with a join?

Analyze the following tables and output and choose the correct query to achieve the output.

Evaluate this SQL statement:

SELECT employee_id, e.department_id, department_name, salary

FROM employees e, departments d

WHERE e.department_id = d.department_id;

Which SQL statement is equivalent to the above SQL statement?

What is the function of Full Outer Join in SQL?

Which type of join is not desirable for retrieval?

Use below table (Salesemployee) and answer the following question

What is the output of following query ?

SELECT Count(Salary) from Salesemployee

where name Like 'T%';

Use below table (Salesemployee) and answer the following question

What is the output of following query ?

SELECT MAX(Salary) from Salesemployee

WHERE Employee_ID % 2 = 0 ;

Use below table (Salesemployee) and answer the following question

What is the output of following query ?

SELECT Count(*) from Salesemployee

WHERE Salary >=500 and Dept = 'Sales';

Which of the following set of operations is a valid set of Aggregate operations in SQL?

Which of the following do you need to consider when you make a table in SQL?

Use below table (Salesemployee) and answer the following question

What is the output of the following query?

SELECT SUM(Salary) from Salesemployee

WHERE Gender = 'Male';

“COUNT” keyword belongs to which categories in MySQL?

In SQL - these functions - AVG, MIN, MAX, COUNT are called as ___________

Use below table (Salesemployee) and answer the following question

What is the output of following query ?

SELECT MIN(Salary) from Salesemployee

WHERE Employee_ID % 2 != 0 ;

Which SQL keyword is used to retrieve a maximum value?

STRUCTURED QUERY LANGUAGE TEST

To Create a new database __________ Command is used

Which one is not part of the Database backup file?

Which of the following is the original purpose of SQL?

What does a DML Stand for?

What is the meaning of a Database?

With SQL, how do you select all the records from a table named "Persons" where the value of the column "Firstname" ends with an ''a''?

Which command is used to change the definition of a table in SQL ?

Select ID, name, dept name, salary * 1.1 where instructor; The query given below will not give an error. Which one of the following has to be replaced to get the desired output?

You can delete a view with _____________ Command.

Which syntax is used for Drop Index (idx_pname) from the Person table in MYSQL?

The _______ clause allows us to select only those rows in the result relation of the ____ clause that satisfy a specified predicate.

Which of the SQL statement is correct?

Select ID, GPA from student grades order by GPA ____________. In order to give only 10 ranks, on the whole, we should use.

The HAVING clause does which of the following?

Syntax for create a views is _______

Select ________ dept_name from instructor; Here which of the following displays the unique values of the column?

What can be the condition in the "WHERE" clause in a SQL query?

What is the significance of the statement “HAVING COUNT (emp_id)>2” in the following MySQL statement? SELECT d.name, COUNT (emp_id) emp_no FROM department d INNER JOIN Employee e ON d.dept_id=e.emp_id GROUP BY d.name HAVING COUNT (emp_id)>2

How to delete the Customer name of Alfreds Futterkiste (CustomerID is 1) from the Customers table?

The SQL WHERE clause used for

Select two options which do not belong to the Purpose of Delete

Find all the cities whose humidity is 89

Analyze the following Query and Mark the answer whether it's a correct query or not? Select OrderID, Shipdate From Orders Where CustomerID=20 Order by Shipdate;

If you don't specify ASC or DESC after a SQL ORDER BY clause, the following is used by default

If emp_id contains the following set {-1, -2, 2, 3, -3, 1}, what will be the output on the execution of the following MySQL statement? SELECT emp_id FROM person ORDER BY emp_id;

Analyse the following Query and Mark the answer whether it's the correct query or not? SELECT Name, Age, Firstname, Lastname FROM EMPLOYEE GROUP BY NAME, SALARY;

What is the significance of “ORDER BY” in the following MySQL statement? SELECT emp_id, fname, lname FROM person ORDER BY emp_id;

Which of the following query is correct for selecting the name of the staff from ''staffinfo'' table where salary is 10000 or 25000?

What is the significance of the statement of the below query? SELECT branch_name, COUNT (DISTINCT customer_name) FROM depositor, account WHERE depositor.account_number = account.account_number GROUP BY branch_id

Find the names of the countries whose condition is sunny

Which of the following operators cannot be used in a sub-query?

Where subqueries can not be used?

A subquery in an SQL SELECT statement is enclosed in

Which of the following statement(s) is TRUE regarding subqueries?

Which of the following clause is mandatorily used in a sub-query?

By default, which key creates Clustered index?

Can you validate the statement? We can use the index on columns that contain a high number of NULL values. True or False?

Which of the following is not a Key in SQL Server?

A Key which is a set of one or more columns that can identify a record uniquely is called?

Which one of the following can be taken as a Primary Key?

Statement: Join for each row of one table to every row of another table. Which Join?

Can you validate the statement? Join is different from Inner join. True or False?

In which two cases would you use an outer join? (Choose two.)

Analyze the following tables and output and choose the correct query to achieve the output.

Where are Joins used?

How many tables may include with a join?

Analyze the following tables and output and choose the correct query to achieve the output.

Evaluate this SQL statement: SELECT employee_id, e.department_id, department_name, salary FROM employees e, departments d WHERE e.department_id = d.department_id; Which SQL statement is equivalent to the above SQL statement?

What is the function of Full Outer Join in SQL?

Which type of join is not desirable for retrieval?

Use below table (Salesemployee) and answer the following question What is the output of following query ? SELECT Count(Salary) from Salesemployee where name Like 'T%';

Use below table (Salesemployee) and answer the following question What is the output of following query ? SELECT MAX(Salary) from Salesemployee WHERE Employee_ID % 2 = 0 ;

Use below table (Salesemployee) and answer the following question What is the output of following query ? SELECT Count(*) from Salesemployee WHERE Salary >=500 and Dept = 'Sales';

Which of the following set of operations is a valid set of Aggregate operations in SQL?

Which of the following do you need to consider when you make a table in SQL?

Use below table (Salesemployee) and answer the following question What is the output of the following query? SELECT SUM(Salary) from Salesemployee WHERE Gender = 'Male';

“COUNT” keyword belongs to which categories in MySQL?

In SQL - these functions - AVG, MIN, MAX, COUNT are called as ___________

Use below table (Salesemployee) and answer the following question What is the output of following query ? SELECT MIN(Salary) from Salesemployee WHERE Employee_ID % 2 != 0 ;

Which SQL keyword is used to retrieve a maximum value?

Assessment complete! Thank you for you time. We are redirecting you to the result page, Please click on 'SUBMIT'

Select ID, name, dept name, salary * 1.1 where instructor;

The query given below will not give an error. Which one of the following has to be replaced to get the desired output?

The ___ clause allows us to select only those rows in the result relation of the clause that satisfy a specified predicate.

Select ID, GPA from student grades order by GPA ____________.

In order to give only 10 ranks, on the whole, we should use.

Select ________ dept_name from instructor;

Here which of the following displays the unique values of the column?

What is the significance of the statement “HAVING COUNT (emp_id)>2” in the following MySQL statement?

SELECT d.name, COUNT (emp_id) emp_no

FROM department d INNER JOIN Employee e

ON d.dept_id=e.emp_id

GROUP BY d.name

HAVING COUNT (emp_id)>2

Analyze the following Query and Mark the answer whether it's a correct query or not?

Select OrderID, Shipdate

From Orders

Where CustomerID=20

Order by Shipdate;

If emp_id contains the following set {-1, -2, 2, 3, -3, 1}, what will be the output on the execution of the following MySQL statement?

SELECT emp_id

FROM person

ORDER BY emp_id;

Analyse the following Query and Mark the answer whether it's the correct query or not?

SELECT Name, Age, Firstname, Lastname

FROM EMPLOYEE

GROUP BY NAME, SALARY;

What is the significance of “ORDER BY” in the following MySQL statement?

SELECT emp_id, fname, lname

FROM person

ORDER BY emp_id;

What is the significance of the statement of the below query?

SELECT branch_name, COUNT (DISTINCT customer_name)

FROM depositor, account

WHERE depositor.account_number = account.account_number

GROUP BY branch_id

Can you validate the statement?

We can use the index on columns that contain a high number of NULL values.

True or False?

Statement: Join for each row of one table to every row of another table.

Which Join?

Can you validate the statement?

Join is different from Inner join.

True or False?

Evaluate this SQL statement:

SELECT employee_id, e.department_id, department_name, salary

FROM employees e, departments d

WHERE e.department_id = d.department_id;

Which SQL statement is equivalent to the above SQL statement?

Use below table (Salesemployee) and answer the following question

What is the output of following query ?

SELECT Count(Salary) from Salesemployee

where name Like 'T%';

Use below table (Salesemployee) and answer the following question

What is the output of following query ?

SELECT MAX(Salary) from Salesemployee

WHERE Employee_ID % 2 = 0 ;

Use below table (Salesemployee) and answer the following question

What is the output of following query ?

SELECT Count(*) from Salesemployee

WHERE Salary >=500 and Dept = 'Sales';

Use below table (Salesemployee) and answer the following question

What is the output of the following query?

SELECT SUM(Salary) from Salesemployee

WHERE Gender = 'Male';

Use below table (Salesemployee) and answer the following question

What is the output of following query ?

SELECT MIN(Salary) from Salesemployee

WHERE Employee_ID % 2 != 0 ;

Assessment complete! Thank you for you time.
We are redirecting you to the result page, Please click on 'SUBMIT'

1.

New database_name
Create database database_name
First Database database_name
New database database_name

2.

Full
Differential
Transaction log
Backup log

3.

To specify the syntax and semantics of SQL data definition language
To specify the syntax and semantics of SQL manipulation language
To define the data structures
All of the above

4.

Different Mode Level
Data Model Language
Data Mode Lane
Data Manipulation Language

5.

Collection of structured information
Database stores SQL Query
Database is a kind of view table
None of the above

6.

Select * from Persons where Firstname='a'
Select * from Persons where Firstname Like 'a%'
Select * from Persons where Firstname like '%a'
Select * from Persons where Firstname='%a%'

7.

CREATE
UPDATE
ALTER
SELECT

8.

Salary*1.1
ID
Where
Instructor

9.

DROP VIEW
DELETE VIEW
REMOVE VIEW
TRUNCATE VIEW

10.

DROP INDEX idx_pname;
DROP INDEX index_name from Person;
ALTER TABLE Person DROP INDEX idx_pname;
Cannot drop Index from table

11.

Where, from
From, select
Select, from
From, where

12.

Select Username AND Password FROM Users;
Select Username, Password FROM Users;
Select Username, Password Where Username = 'user1';
None of these

13.

Limit 10
Up to 10
Only 10
Max 10

14.

Acts like a WHERE clause but is used for groups rather than rows.
Acts like a WHERE clause but is used for rows rather than columns.
Acts like a WHERE clause but is used for columns rather than groups.
Acts EXACTLY like a WHERE clause.

15.

CREATE VIEW View_name AS SELECT
CREATE VIEW View_name AS UPDATE
CREATE NEW VIEW View_name
CREATE VIEW View_name AS UPDATE

16.

All
From
Distinct
Name

17.

Condition that is to be met for the rows to be returned from result.
Boolean Condition only
Text condition only
None of the above

18.

Filter out all rows whose total emp_id below 2
Delete the rows whose total emp_id>2
Filter out or select all rows whose total emp_id below 2
None of the mentioned

19.

DELETE FROM Customers where CustomerName = Alfreds Futterkiste AND CustomerID = 1
Delete Customers Where ContactName = 'Alfred Schmidt' WHERE CustomerID = 1;
Delete Customers Where ContactName = 'Alfred Schmidt'
Delete Customers SET CustomerName =

20.

limits the column data that are returned.
limits the row data are returned.
Both A and B are correct.
Neither A nor B are correct.

21.

It is used to delete a table.
You cannot rollback data.
It is a DML command.
It is used to delete a row in a table.

22.

Select city where humidity = 89;
Select city from weather where humidity = 89;
Select humidity = 89 from weather;
Select city from Weather;

23.

TRUE
FALSE

24.

ASC
DESC
Order by Randomly
No output

25.

{-3, -2, -1, 1, 2, 3}
{-1, 1, -2, 2, -3, 3}
{1, 2, 3, -1, -2, -3}
None of the mentioned

26.

TRUE
FALSE

27.

Data of lname will be sorted
Data of emp_id will be sorted in descending order
Data of emp_id will be sorted in ascending order
All of the mentioned

28.

Select name from staffinfo where salary BETWEEN 10000 AND 25000;
Select name from staffinfo where salary IN 10000 AND 25000;
Both A and B
None of the above

29.

The query is syntactically correct but gives the wrong answer
The query is syntactically wrong
The query is syntactically correct and gives the correct answer
The query contains one or more wrongly named clauses.

30.

Select country from location where condition = 'sunny';
Select country from location where city IN (Select city from weather WHERE condition = 'sunny');
Select country from location where city NOT IN (SELECT city FROM weather WHERE condition = 'sunny');
SELECT country from location where city UNION (Select city from weather WHERE condition = 'sunny');

31.

AND, OR
< , > >, <>

32.

Field names in the SELECT statement
The WHERE clause only in the SELECT statement
The WHERE clause in SELECT as well as all DML statements
The FROM clause in the SELECT statement

33.

Parenthesis -- (…).
Brackets -- […].
Capital Letters.
Braces--{…}.

34.

Outer query and inner query can get data from different tables
Outer query and inner query must get data from the same table

35.

SELECT
WHERE
ORDER BY
GROUP BY

36.

Foreign Key constraint
Unique Key constraint
Primary Key constraint
None of the above

37.

TRUE
FALSE

38.

Primary
Foreign
Alternate
Power

39.

Natural key
Primary key
Not Null key
Alternate key

40.

Order Number
Order Date
Order Location
Order Name

41.

Inner
Cartesian
Outer
Left

42.

TRUE
FALSE

43.

The tables being joined have NOT NULL columns.
The tables being joined have both matched and unmatched data.
The columns being joined have NULL values.
The tables being joined have only unmatched data.

44.

SELECT Orders.OrderID, Customers.CustomerName, Orders.OrderDate FROM Orders INNER JOIN Customers ON Orders.CustomerID=Customers.CustomerID;
SELECT Orders.OrderID, Customers.CustomerName, Orders.OrderDate FROM Orders LEFT OUTER JOIN Customers ON Orders.CustomerID=Customers.CustomerID;
SELECT Orders.OrderID, Customers.CustomerName, Orders.OrderDate FROM Orders RIGHT OUTER JOIN Customers ON Orders.CustomerID=Customers.CustomerID;
SELECT Orders.OrderID, Customers.CustomerName, Orders.OrderDate FROM Orders FULLY OUTER Customers ON Orders.CustomerID=Customers.CustomerID;

45.

To combine records from two or more tables in a database
Joins used in Data Definition Language
Joins used in aggregate function
SQL combines the result-set of two or more SELECT statements.

46.

0
1
2
More than 1

47.

SELECT Orders.OrderID, Customers.CustomerName, Orders.OrderDate FROM Orders LEFT OUTER JOIN Customers ON Orders.CustomerID=Customers.CustomerID;
SELECT Orders.OrderID, Customers.CustomerName, Orders.OrderDate FROM Orders INNER JOIN Customers ON Orders.CustomerID=Customers.CustomerID;
SELECT Orders.OrderID, Customers.CustomerName, Orders.OrderDate FROM Orders RIGHT OUTER JOIN Customers ON Orders.CustomerID=Customers.CustomerID;
SELECT Orders.OrderID, Customers.CustomerName, Orders.OrderDate FROM Orders ADD Customers ON Orders.CustomerID=Customers.CustomerID;

48.

SELECT employee_id, department_id, department_name, salary FROM employees WHERE department_id IN (SELECT department_id FROM departments);
SELECT employee_id, department_id, department_name, salary FROM employees NATURAL JOIN departments;
SELECT employee_id, d.department_id, department_name, salary FROM employees e JOIN departments d ON e.department_id = d.department_id;
SELECT employee_id, department_id, department_name, salary FROM employees JOIN departments USING (e.department_id, d.department_id);

49.

Matches rows from two tables based on the values in common columns from each table
It includes all rows from the joined tables whether or not the other table has the matching row.Includes unmatched rows from one table and match rows from two tables based on the values in common columns from each table .
Includes unmatched rows from one table and match rows from two tables based on the values in common columns from each table
None of the above

50.

Inner
Left
Right
Outer

51.

3
5
1
4

52.

5400
9400
2000
2500

53.

8
6
3
4

54.

COUNT, MAX, AVG, SUM
MAX, AVG, SUM, SELECT
UNION, COUNT, MIN, DESC
AVG, MIN, MAX, ASC

55.

Data types
Primary keys
Default values
All of the above

56.

9400
4000
5400
2500

57.

Aggregate functions
Operators
Clauses
All of the mentioned

58.

Aggregate function
Adjunct function
Set Operation
Scalar Operation

59.

50
500
200
100

60.

MOST
TOP
MAX
UPPER

SELECT d.name, COUNT (emp_id) emp_no
FROM department d INNER JOIN Employee e
ON d.dept_id=e.emp_id
GROUP BY d.name
HAVING COUNT (emp_id)>2

SELECT Name, Age, Firstname, Lastname
FROM EMPLOYEE
GROUP BY NAME, SALARY;

SELECT employee_id, e.department_id, department_name, salary
FROM employees e, departments d
WHERE e.department_id = d.department_id;

Use below table (Salesemployee) and answer the following question
What is the output of following query ?

SELECT Count(Salary) from Salesemployee
where name Like 'T%';

Use below table (Salesemployee) and answer the following question
What is the output of following query ?
SELECT MAX(Salary) from Salesemployee
WHERE Employee_ID % 2 = 0 ;

Use below table (Salesemployee) and answer the following question
What is the output of following query ?
SELECT Count(*) from Salesemployee
WHERE Salary >=500 and Dept = 'Sales';

Use below table (Salesemployee) and answer the following question
What is the output of following query ?
SELECT MIN(Salary) from Salesemployee
WHERE Employee_ID % 2 != 0 ;

SELECT branch_name, COUNT (DISTINCT customer_name)

FROM depositor, account

WHERE depositor.account_number = account.account_number

GROUP BY branch_id