SQL | Structured Query Language Test

Which of the following is the original purpose of SQL?

Which one is not part of the Database backup file?

The result of a SQL SELECT statement is a ______.

What is the main language of Transact-SQL?

What is the full form of SQL?

Syntax for create a views is _______

With SQL, how can you return all the records from a table named "Persons" sorted descending by "FirstName"?

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?

Find the name of these cities with temperature and condition whose condition is neither sunny nor cloudy

The HAVING clause does which of the following?

Which SQL Query is used for updating the ContactName in the Customers table?

What is the meaning of the “HAVING” clause in MySQL?

Which of the SQL statement is correct?

How to create index idx_pname for multiple columns (Lastname, Firstname) in a Person table?

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

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

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

SELECT emp_id, fname, lname

FROM person

ORDER BY emp_id;

Which one is not used in SQL?

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 meaning of the “ORDER BY” clause in MySQL?

Which SQL keyword is used to sort the result-set?

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

You can delete a view with _____________ Command.

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

select deptName

from Employee

having avg (salary)

group by deptName

where sex = 'M'

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

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

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

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

The SQL WHERE clause used for

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''?

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;

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

A subquery in an SQL SELECT statement is enclosed in

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

Can you validate the statement?

A subquery can be used anywhere an expression is allowed.

True or False?

Which of the following statements are TRUE regarding subqueries?

Can you validate the statement?

A column with a Unique key has duplicate values.

True or False?

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

Can you validate the statement?

A table contains more than one foreign key

True or False?

Does an Index help to speed up?

Which of the following is correct DROP INDEX Command?

Choose the correct query for the below scenario.

Which type of join is not desirable for retrieval?

How many tables may include with a join?

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?

What are the joins available in SQL?

List all orders, showing order number, customer name and credit limit of a customer.

Orders Table:

Order_Number, Customer, Product_Amount

Customers Table:

Customer_Number, Customer_Name, Credit_Limit

Which of the below query satisfy the above question?

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

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

Which Join?

Can you validate the statement?

Alias is used in Joins.

True or False?

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';

The _____ aggregation operation adds up all the values of the attribute

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 ;

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%';

“COUNT” keyword belongs to which categories in MySQL?

Use below table (Salesemployee) and answer the following question

What is the output of following query ?

SELECT MAX(Salary) from Salesemployee

WHERE Salary >=2500 and Dept = 'Sales' ;

Which among the following belongs to an “aggregate function”?

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

Which of the following is incorrect SQL?

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 ;

STRUCTURED QUERY LANGUAGE TEST

Which of the following is the original purpose of SQL?

Which one is not part of the Database backup file?

The result of a SQL SELECT statement is a ______.

What is the main language of Transact-SQL?

What is the full form of SQL?

Syntax for create a views is _______

With SQL, how can you return all the records from a table named "Persons" sorted descending by "FirstName"?

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?

Find the name of these cities with temperature and condition whose condition is neither sunny nor cloudy

The HAVING clause does which of the following?

Which SQL Query is used for updating the ContactName in the Customers table?

What is the meaning of the “HAVING” clause in MySQL?

Which of the SQL statement is correct?

How to create index idx_pname for multiple columns (Lastname, Firstname) in a Person table?

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

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

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

Which one is not used in SQL?

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 meaning of the “ORDER BY” clause in MySQL?

Which SQL keyword is used to sort the result-set?

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

You can delete a view with _____________ Command.

Analyze the following Query and Mark the answer whether it's the correct query or not ? select deptName from Employee having avg (salary) group by deptName where sex = 'M'

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

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

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

The SQL WHERE clause used for

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''?

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;

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

A subquery in an SQL SELECT statement is enclosed in

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

Can you validate the statement? A subquery can be used anywhere an expression is allowed. True or False?

Which of the following statements are TRUE regarding subqueries?

Can you validate the statement? A column with a Unique key has duplicate values. True or False?

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

Can you validate the statement? A table contains more than one foreign key True or False?

Does an Index help to speed up?

Which of the following is correct DROP INDEX Command?

Choose the correct query for the below scenario.

Which type of join is not desirable for retrieval?

How many tables may include with a join?

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?

What are the joins available in SQL?

List all orders, showing order number, customer name and credit limit of a customer. Orders Table: Order_Number, Customer, Product_Amount Customers Table: Customer_Number, Customer_Name, Credit_Limit Which of the below query satisfy the above question?

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

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

Can you validate the statement? Alias is used in Joins. True or False?

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';

The _____ aggregation operation adds up all the values of the attribute

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 ;

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%';

“COUNT” keyword belongs to which categories in MySQL?

Use below table (Salesemployee) and answer the following question What is the output of following query ? SELECT MAX(Salary) from Salesemployee WHERE Salary >=2500 and Dept = 'Sales' ;

Which among the following belongs to an “aggregate function”?

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

Which of the following is incorrect SQL?

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 ;

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?

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

SELECT emp_id, fname, lname

FROM person

ORDER BY emp_id;

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

select deptName

from Employee

having avg (salary)

group by deptName

where sex = 'M'

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

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

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

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;

Can you validate the statement?

A subquery can be used anywhere an expression is allowed.

True or False?

Can you validate the statement?

A column with a Unique key has duplicate values.

True or False?

Can you validate the statement?

A table contains more than one foreign key

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?

List all orders, showing order number, customer name and credit limit of a customer.

Orders Table:

Order_Number, Customer, Product_Amount

Customers Table:

Customer_Number, Customer_Name, Credit_Limit

Which of the below query satisfy the above question?

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

Which Join?

Can you validate the statement?

Alias is used in Joins.

True or False?

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 ;

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 Salary >=2500 and Dept = 'Sales' ;

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 ;

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

1.

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

2.

Full
Differential
Transaction log
Backup log

3.

File
Report
Table
Form

4.

DDL
DML
DCL
None of the above

5.

Structured Query Language
Structured Query List
Simple Query Language
None of these

6.

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

7.

Select * from Persons SORT BY "FirstName" DESC;
Select * from Persons SORT "FirstName" DESC;
Select * from Persons ORDER BY "FirstName" DESC;
Select * from Persons ORDER "FirstName" DESC;

8.

Salary*1.1
ID
Where
Instructor

9.

Select city, temperature, condition FROM weather Where condition NOT IN ('sunny', 'cloudy');
Select city, temperature, condition FROM weather Where condition NOT between ('sunny', 'cloudy');
Select city, temperature, condition FROM weather Where condition IN ('sunny', 'cloudy');
Select city, temperature, condition FROM weather Where condition between ('sunny', 'cloudy');

10.

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.

11.

FROM Customers UPDATE ContactName = 'Adam Smith' WHERE CustomerID = 111;
Select Customers Update ContactName = 'Adam Smith' WHERE CustomerID = 111;
UPDATE ContactName = 'Adam Smith' from Customer WHERE CustomerID = 111;
UPDATE Customers SET ContactName = 'Adam Smith' WHERE CustomerID = 111;

12.

To filter out the row values
To filter out the column values
To filter out the row and column values
None of the mentioned

13.

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

14.

CREATE INDEX idx_pname ON Person (LastName, FirstName);
CREATE INDEX idx_pname ON Person;
CREATE INDEX idx_pname ON Person (FirstName, LastName);
CREATE INDEX idx_pname Using (LastName, FirstName) ON Persons

15.

ASC
DESC
Order by Randomly
No output

16.

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

17.

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

18.

Create Table
Create Index
Create Unique Index
Create Table Column

19.

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

20.

Sorting your result
Aggregation of fields
Conditions in SQL
None of the mentioned

21.

ORDER BY
SORT
ORDER
SORT BY

22.

CREATE
UPDATE
ALTER
SELECT

23.

DROP VIEW
DELETE VIEW
REMOVE VIEW
TRUNCATE VIEW

24.

TRUE
FALSE

25.

Limit 10
Up to 10
Only 10
Max 10

26.

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.

27.

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.

28.

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.

29.

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%'

30.

TRUE
FALSE

31.

SELECT
WHERE
ORDER BY
GROUP BY

32.

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

33.

AND, OR
< , > >, <>

34.

TRUE
FALSE

35.

A subquery can retrieve zero or more rows
A subquery can appear on either side of a comparison operator
There is no limit on the number of subquery levels in the WHERE clause of a SELECT statement
Both A and B

36.

TRUE
FALSE

37.

Primary
Foreign
Alternate
Power

38.

TRUE
FALSE

39.

SELECT queries
WHERE clauses
Both A and B
UPDATE Query

40.

DROP INDEX table_name;
DROP INDEX index_name;
DROP INDEX index_name or table_name;
DELETE INDEX index_name;

41.

SELECT * FROM employees RIGHT departments ON employees.department_id = departments.department_id;
SELECT * FROM employees LEFT departments ON employees.department_id = departments.department_id;
SELECT * FROM employees JOIN departments ON employees.department_id = departments.department_id;
SELECT * FROM employee JOIN department ON employee.department_id = department.department_id;

42.

Inner
Left
Right
Outer

43.

0
1
2
More than 1

44.

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);

45.

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

46.

Inner, Outer, Self
Left,Middle, Half
None of above
Both A and B

47.

Select Order_Numer, Customer_Name, Credit_Limit from Customers, Orders where Customer = Customer_Number;
Select Order_Numer, Customer_Name, Credit_Limit from Customers INNER JOIN Orders ON Customers.Customer_Number = Orders.Customer;;
Both
None

48.

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 FULLY OUTER 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 SELF JOIN Customers ON Orders.CustomerID=Customers.CustomerID;

49.

Inner
Cartesian
Outer
Left

50.

TRUE
FALSE

51.

9400
4000
5400
2500

52.

add
avg
max
sum

53.

200
500
700
100

54.

3
5
1
4

55.

Aggregate functions
Operators
Clauses
All of the mentioned

56.

8
1
2
4

57.

COUNT
UPPER
LOWER
All of the mentioned

58.

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

59.

Select max(Marks) from student;
Select sum(Marks) from student;
Select max(Marks1+Marks2) from student;
Select max(Marks1, Marks2) from student;

60.

5400
9400
2000
2500

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

Customers Table:
Customer_Number, Customer_Name, Credit_Limit

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 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 Salary >=2500 and Dept = 'Sales' ;

SELECT branch_name, COUNT (DISTINCT customer_name)

FROM depositor, account

WHERE depositor.account_number = account.account_number

GROUP BY branch_id