SQL | Structured Query Language Test

What is the main language of Transact-SQL?

What is the SQL query used to retrieve all the data from the customer table?

To Create a new database __________ Command is used

Which of the following is a valid SQL type?

Which file type is used for database backup?

The SQL WHERE clause used for

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

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

SELECT emp_id, fname, lname

FROM person

ORDER BY emp_id;

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

You can delete a view with _____________ Command.

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?

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

Find all the cities whose humidity is 89

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

What is the significance of the statement “GROUP BY d.name” 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

We can use one table to create another table using the below query. True or False ?

CREATE TABLE TestTable AS

SELECT customername, contactname

FROM customers;

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

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

Which one is not used in SQL?

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

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''?

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;

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

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

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

Select ________ dept_name from instructor;

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

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

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

Find the names of the countries whose condition is sunny

Syntax for create a views is _______

Can you validate the statement?

An ORDER BY can be used in a subquery.

True or False?

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

What is "Subquery"?

Which of the following is true about sub-queries?

Can you validate the statement?

A subquery can be used anywhere an expression is allowed.

True or False?

Student (ID, Name, Dept_name, Total_credit)

In this above query which attribute form the Primary Key?

How many Primary Keys can have in a table?

Can you validate the statement?

A column with a Unique key has duplicate values.

True or False?

Which one of the following is a set of one or more attributes taken collectively to uniquely identify a record?

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

Can you validate the statement?

Alias is used in Joins.

True or False?

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.

How many tables may include with a join?

What is the syntax for joining two tables? Pick Two

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

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

What are the joins available in SQL?

Where are Joins used?

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

Which Join?

Which of the following is incorrect SQL?

Use below table (Salesemployee) and answer the following question

What is the output of following query ?

SELECT AVG(Salary) from Salesemployee

WHERE Gender = 'Female';

Use below table (Salesemployee) and answer the following question

What is the output of following query ?

SELECT Count(Salary) from Salesemployee

where name Like 'S%';

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 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 AVG(Salary) from Salesemployee

where Dept = ' HR';

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 ;

“COUNT” keyword belongs to which categories in MySQL?

Which SQL keyword is used to retrieve the highest value?

STRUCTURED QUERY LANGUAGE TEST

What is the main language of Transact-SQL?

What is the SQL query used to retrieve all the data from the customer table?

To Create a new database __________ Command is used

Which of the following is a valid SQL type?

Which file type is used for database backup?

The SQL WHERE clause used for

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

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

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

You can delete a view with _____________ Command.

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?

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

Find all the cities whose humidity is 89

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

What is the significance of the statement “GROUP BY d.name” 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

We can use one table to create another table using the below query. True or False ? CREATE TABLE TestTable AS SELECT customername, contactname FROM customers;

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

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

Which one is not used in SQL?

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

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''?

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;

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

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

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

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

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

Find the names of the countries whose condition is sunny

Syntax for create a views is _______

Can you validate the statement? An ORDER BY can be used in a subquery. True or False?

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

What is "Subquery"?

Which of the following is true about sub-queries?

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

Student (ID, Name, Dept_name, Total_credit) In this above query which attribute form the Primary Key?

How many Primary Keys can have in a table?

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

Which one of the following is a set of one or more attributes taken collectively to uniquely identify a record?

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

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

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.

How many tables may include with a join?

What is the syntax for joining two tables? Pick Two

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

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

What are the joins available in SQL?

Where are Joins used?

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

Which of the following is incorrect SQL?

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

Use below table (Salesemployee) and answer the following question What is the output of following query ? SELECT Count(Salary) from Salesemployee where name Like 'S%';

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 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 AVG(Salary) from Salesemployee where Dept = ' HR';

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 ;

“COUNT” keyword belongs to which categories in MySQL?

Which SQL keyword is used to retrieve the highest value?

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

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

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

SELECT emp_id, fname, lname

FROM person

ORDER BY emp_id;

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 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

What is the significance of the statement “GROUP BY d.name” 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

We can use one table to create another table using the below query. True or False ?

CREATE TABLE TestTable AS

SELECT customername, contactname

FROM customers;

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;

Select ________ dept_name from instructor;

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

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

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

Can you validate the statement?

An ORDER BY can be used in a subquery.

True or False?

Can you validate the statement?

A subquery can be used anywhere an expression is allowed.

True or False?

Student (ID, Name, Dept_name, Total_credit)

In this above query which attribute form the Primary Key?

Can you validate the statement?

A column with a Unique key has duplicate values.

True or False?

Can you validate the statement?

Alias is used in Joins.

True or False?

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?

Use below table (Salesemployee) and answer the following question

What is the output of following query ?

SELECT AVG(Salary) from Salesemployee

WHERE Gender = 'Female';

Use below table (Salesemployee) and answer the following question

What is the output of following query ?

SELECT Count(Salary) from Salesemployee

where name Like 'S%';

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 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 AVG(Salary) from Salesemployee

where Dept = ' HR';

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.

DDL
DML
DCL
None of the above

2.

SELECT COLUMN FROM Customers;
SELECT All FROM Customers;
SELECT * FROM Customers;
SELECT All COLUMN FROM Customers;

3.

New database_name
Create database database_name
First Database database_name
New database database_name

4.

Character
Numeric
Float
All the above

5.

BAK
TXT
XML
XLSX

6.

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.

7.

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

8.

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

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.

DROP VIEW
DELETE VIEW
REMOVE VIEW
TRUNCATE VIEW

11.

Salary*1.1
ID
Where
Instructor

12.

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 =

13.

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

14.

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.

15.

Aggregation of the field “name” of both table
Aggregation of the field “name” of table “department”
Sorting of the field “name”
None of the mentioned

16.

TRUE
FALSE

17.

ASC
DESC
Order by Randomly
No output

18.

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

19.

Create Table
Create Index
Create Unique Index
Create Table Column

20.

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

21.

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%'

22.

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

23.

TRUE
FALSE

24.

ORDER BY
SORT
ORDER
SORT BY

25.

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;

26.

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

27.

All
From
Distinct
Name

28.

Limit 10
Up to 10
Only 10
Max 10

29.

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');

30.

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

31.

TRUE
FALSE

32.

SELECT
WHERE
ORDER BY
GROUP BY

33.

Used for create new database
Using Where clause in query
Query with in a query
Joining multiple tables together

34.

They execute after the main query executes
They execute in parallel to the main query
The user can execute the main query and then, if wanted, execute the sub-query
They execute before the main query executes

35.

TRUE
FALSE

36.

Name
Dept
Total_Credit
ID

37.

1 only
2 only
Depends on no of Columns
Depends on DBA

38.

TRUE
FALSE

39.

Candidate Key
Sub Key
Super Key
Foreign Key

40.

Data types
Primary keys
Default values
All of the above

41.

TRUE
FALSE

42.

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

43.

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;

44.

0
1
2
More than 1

45.

SELECT Column Names FROM Table 1 JOIN Table 2 ON Condition JOIN Table 3 ON Condition
SELECT * FROM Table 1 JOIN Table 2 ON Condition JOIN Table 3 ON Condition
SELECT Column from Table 1 Join Table 2, Table 3 ON Condition
SELECT Column from Table 1 AND SELECT Column from Table 2

46.

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;

47.

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;

48.

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

49.

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.

50.

Inner
Cartesian
Outer
Left

51.

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

52.

1175
1000
1350
2500

53.

3
5
8
4

54.

9400
4000
5400
2500

55.

3
5
1
4

56.

1067
500
2500
1064

57.

Aggregate function
Adjunct function
Set Operation
Scalar Operation

58.

50
500
200
100

59.

Aggregate functions
Operators
Clauses
All of the mentioned

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

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 AVG(Salary) from Salesemployee
WHERE Gender = 'Female';

SELECT Count(Salary) from Salesemployee
where name Like 'S%';

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 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