SQL | Structured Query Language Test

Which of the following database cannot be dropped?

The result of a SQL SELECT statement is a ______.

Which one is a non-relational database?

Which one is not part of the Database backup file?

Which file type is used for database backup?

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

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

You need to find out the names of all employees who belong to the same department as the employee 'Jessica Butcher' who is in department 100 and has an employee ID 40. Which of the following queries will be correct?

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

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

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.

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

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;

Which of the SQL statement is correct?

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

Find all the cities whose humidity is 89

The HAVING clause does which of the following?

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?

"ORDER BY" can only be used by WHERE Clause.

True or False?

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

Find the names of the countries whose condition is sunny

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?

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;

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

What is the meaning of the “ORDER BY” clause in MySQL?

Syntax for create a views is _______

Select ________ dept_name from instructor;

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

Can you validate the statement?

A subquery can be used anywhere an expression is allowed.

True or False?

Which of the following multi-row operators can be used with a sub-query?

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

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

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

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?

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

True or False?

Does an Index help to speed up?

Can you validate the statement?

A column with a Primary key has a Null value.

True or False?

Which type of join is not desirable for retrieval?

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 is the syntax for joining two tables? Pick Two

What is the function of Full Outer Join in SQL?

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

Which Join?

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

What are the joins available in SQL?

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

Can you validate the statement?

Join is different from Inner join.

True or False?

Which SQL keyword is used to retrieve a maximum value?

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 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 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(Salary) from Salesemployee

where name Like 'S%';

Which SQL keyword is used to retrieve the highest value?

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

Use below table (Salesemployee) and answer the following question

What is the output of following query ?

SELECT COUNT(*) 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 Gender = 'Male';

STRUCTURED QUERY LANGUAGE TEST

Which of the following database cannot be dropped?

The result of a SQL SELECT statement is a ______.

Which one is a non-relational database?

Which one is not part of the Database backup file?

Which file type is used for database backup?

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

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

You need to find out the names of all employees who belong to the same department as the employee 'Jessica Butcher' who is in department 100 and has an employee ID 40. Which of the following queries will be correct?

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

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

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.

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

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;

Which of the SQL statement is correct?

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

Find all the cities whose humidity is 89

The HAVING clause does which of the following?

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? "ORDER BY" can only be used by WHERE Clause. True or False?

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

Find the names of the countries whose condition is sunny

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?

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;

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

What is the meaning of the “ORDER BY” clause in MySQL?

Syntax for create a views is _______

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

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

Which of the following multi-row operators can be used with a sub-query?

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

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

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

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

Does an Index help to speed up?

Can you validate the statement? A column with a Primary key has a Null value. True or False?

Which type of join is not desirable for retrieval?

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 is the syntax for joining two tables? Pick Two

What is the function of Full Outer Join in SQL?

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

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

What are the joins available in SQL?

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

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

Which SQL keyword is used to retrieve a maximum value?

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

Which SQL keyword is used to retrieve the highest value?

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

Use below table (Salesemployee) and answer the following question What is the output of following query ? SELECT COUNT(*) 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 Gender = 'Male';

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

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

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?

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;

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?

"ORDER BY" can only be used by WHERE Clause.

True or False?

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;

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

Select ________ dept_name from instructor;

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

Can you validate the statement?

A subquery can be used anywhere an expression is allowed.

True or False?

Can you validate the statement?

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

True or False?

Can you validate the statement?

A column with a Primary key has a Null value.

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?

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 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 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(Salary) from Salesemployee

where name Like 'S%';

Use below table (Salesemployee) and answer the following question

What is the output of following query ?

SELECT COUNT(*) 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 Gender = 'Male';

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

1.

TEMPDB
Master
Msdb
All of the Mentioned

2.

File
Report
Table
Form

3.

Postgre
MySQL
MariaDB
MongoDB

4.

Full
Differential
Transaction log
Backup log

5.

BAK
TXT
XML
XLSX

6.

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

7.

ASC
DESC
Order by Randomly
No output

8.

SELECT first_name, last_name FROM employees WHERE last_name = 'Butcher' And first_name = 'Jessica';
SELECT first_name, last_name FROM employees WHERE department =100;
SELECT first_name, last_name FROM employees WHERE department = (SELECT department FROM employees WHERE first_name = 'Jessica' AND last_name = 'Butcher');
SELECT first_name, last_name FROM employees WHERE department = (SELECT department FROM employees WHERE first_name = 'Jessica' AND last_name = 'Butcher' AND department = 100 AND employee_id = 40);

9.

CREATE
UPDATE
ALTER
SELECT

10.

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

11.

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.

12.

Salary*1.1
ID
Where
Instructor

13.

DROP VIEW
DELETE VIEW
REMOVE VIEW
TRUNCATE VIEW

14.

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');

15.

TRUE
FALSE

16.

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

17.

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

18.

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

19.

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.

20.

TRUE
FALSE

21.

TRUE
FALSE

22.

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 =

23.

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');

24.

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

25.

Create Table
Create Index
Create Unique Index
Create Table Column

26.

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

27.

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

28.

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

29.

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

30.

All
From
Distinct
Name

31.

TRUE
FALSE

32.

IN
ANY
ALL
All of the above

33.

AND, OR
< , > >, <>

34.

SELECT
WHERE
ORDER BY
GROUP BY

35.

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

36.

Candidate Key
Sub Key
Super Key
Foreign Key

37.

Data types
Primary keys
Default values
All of the above

38.

TRUE
FALSE

39.

SELECT queries
WHERE clauses
Both A and B
UPDATE Query

40.

TRUE
FALSE

41.

Inner
Left
Right
Outer

42.

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;

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 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;

44.

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

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
Cartesian
Outer
Left

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 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;

48.

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

49.

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;

50.

TRUE
FALSE

51.

MOST
TOP
MAX
UPPER

52.

8
6
3
4

53.

3
5
1
4

54.

1067
500
2500
1064

55.

5400
9400
2000
2500

56.

3
5
8
4

57.

MOST
TOP
MAX
UPPER

58.

COUNT
UPPER
LOWER
All of the mentioned

59.

8
4
2

60.

8
4
5
3

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

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';

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 MAX(Salary) from Salesemployee
WHERE Employee_ID % 2 = 0 ;

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

SELECT branch_name, COUNT (DISTINCT customer_name)

FROM depositor, account

WHERE depositor.account_number = account.account_number

GROUP BY branch_id