SQL | Structured Query Language Test

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

Which is the subset of SQL command used to manipulate Database structures, including tables?

To delete the database __________ Command is used

What does a DML Stand for?

Which one is a non-relational database?

Find the names of the countries whose condition is sunny

Syntax for create a views is _______

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;

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

The SQL WHERE clause used for

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?

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

True or False?

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

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.

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

Select ________ dept_name from instructor;

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

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?

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

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

Which of the SQL statement is correct?

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

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;

Find all the cities whose humidity is 89

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

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

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 “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

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

Which of the following statements are TRUE regarding subqueries?

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

Where subqueries can not be used?

Can you validate the statement?

A column with a Primary key has a Null value.

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?

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

How many types of indexes are there in the SQL server?

How many Primary Keys can have in a table?

In the absence of WHERE condition this JOIN will function like a _______.

What is the syntax for joining two tables? Pick Two

What is the function of Full Outer Join in SQL?

Can you validate the statement?

Alias is used in Joins.

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?

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

Choose the correct query for the below scenario.

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.

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%' and Dept ='HR';

Use below table (Salesemployee) and answer the following question

What is the output of following query ?

SELECT Count(*) from Salesemployee

WHERE Gender = 'Male';

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 MAX(Salary) from Salesemployee

WHERE Employee_ID % 2 = 0 ;

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(Salary) from Salesemployee

where name Like 'S%';

Use below table (Salesemployee) and answer the following question

What is the output of following query ?

SELECT SUM(Salary) from Salesemployee ;

“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 Count(*) from Salesemployee

WHERE Salary >500;

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

STRUCTURED QUERY LANGUAGE TEST

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

Which is the subset of SQL command used to manipulate Database structures, including tables?

To delete the database __________ Command is used

What does a DML Stand for?

Which one is a non-relational database?

Find the names of the countries whose condition is sunny

Syntax for create a views is _______

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;

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

The SQL WHERE clause used for

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

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

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.

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

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

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?

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

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

Which of the SQL statement is correct?

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

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;

Find all the cities whose humidity is 89

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

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

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 “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

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

Which of the following statements are TRUE regarding subqueries?

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

Where subqueries can not be used?

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

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

How many types of indexes are there in the SQL server?

How many Primary Keys can have in a table?

In the absence of WHERE condition this JOIN will function like a _______.

What is the syntax for joining two tables? Pick Two

What is the function of Full Outer Join in SQL?

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

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

Choose the correct query for the below scenario.

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.

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%' and Dept ='HR';

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

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

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

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

“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 Count(*) from Salesemployee WHERE Salary >500;

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

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

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;

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?

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

True or False?

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 ________ dept_name from instructor;

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

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 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 “ORDER BY” in the following MySQL statement?

SELECT emp_id, fname, lname

FROM person

ORDER BY emp_id;

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 Primary key has a Null value.

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?

Alias is used in Joins.

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(Salary) from Salesemployee

where name Like 'S%' and Dept ='HR';

Use below table (Salesemployee) and answer the following question

What is the output of following query ?

SELECT Count(*) from Salesemployee

WHERE Gender = 'Male';

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 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 SUM(Salary) from Salesemployee ;

Use below table (Salesemployee) and answer the following question

What is the output of following query ?

SELECT Count(*) from Salesemployee

WHERE Salary >500;

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

1.

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

2.

Data Definition Language
Data Manipulation Language
Both of above
None of the above

3.

Drop database_name
Drop database database_name
Delete database_name
Delete database database_name

4.

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

5.

Postgre
MySQL
MariaDB
MongoDB

6.

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');

7.

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

8.

TRUE
FALSE

9.

ORDER BY
SORT
ORDER
SORT BY

10.

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.

11.

Limit 10
Up to 10
Only 10
Max 10

12.

TRUE
FALSE

13.

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

14.

Salary*1.1
ID
Where
Instructor

15.

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

16.

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

17.

All
From
Distinct
Name

18.

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);

19.

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

20.

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 =

21.

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

22.

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

23.

TRUE
FALSE

24.

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

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.

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.

27.

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.

28.

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

29.

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');

30.

ASC
DESC
Order by Randomly
No output

31.

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

32.

SELECT
WHERE
ORDER BY
GROUP BY

33.

TRUE
FALSE

34.

IN
ANY
ALL
All of the above

35.

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

36.

TRUE
FALSE

37.

TRUE
FALSE

38.

Candidate Key
Sub Key
Super Key
Foreign Key

39.

1
2
3
4

40.

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

41.

Inner
Cartesian
Outer
Left

42.

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

43.

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

44.

TRUE
FALSE

45.

Inner
Cartesian
Outer
Left

46.

TRUE
FALSE

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.

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;

49.

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.

50.

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;

51.

3
1
8
4

52.

8
4
5
3

53.

8
6
3
4

54.

5400
9400
2000
2500

55.

COUNT
UPPER
LOWER
All of the mentioned

56.

3
5
8
4

57.

5000
2500
4500
9400

58.

Aggregate functions
Operators
Clauses
All of the mentioned

59.

8
6
2
4

60.

Aggregate function
Adjunct function
Set Operation
Scalar Operation

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(Salary) from Salesemployee
where name Like 'S%' and Dept ='HR';

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

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%';

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

SELECT branch_name, COUNT (DISTINCT customer_name)

FROM depositor, account

WHERE depositor.account_number = account.account_number

GROUP BY branch_id