SQL | Structured Query Language Test

Which file type is used for database backup?

Which of the following database cannot be dropped?

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?

What is the main language of Transact-SQL?

Identify the average salary of the jobs 'MANAGER' and 'ANALYST'. Display job, average salary if the identified average salary is more than 1500.

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 ID, GPA from student grades order by GPA ____________.

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

Which of the SQL statement is correct?

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;

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

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

The SQL WHERE clause used for

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

You can delete a view with _____________ Command.

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

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

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?

The HAVING clause does which of the following?

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?

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 “ORDER BY” in the following MySQL statement?

SELECT emp_id, fname, lname

FROM person

ORDER BY emp_id;

Find the names of the countries whose condition is sunny

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

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

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

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

Which one is not used in SQL?

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

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

Which of the following statements are TRUE regarding subqueries?

What is "Subquery"?

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?

A ______ index is created based on only one table column.

Can you validate the statement?

A column with a Primary key has a Null value.

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?

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

Below image depicts:

Where are Joins used?

What is the function of Full Outer Join in SQL?

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 are the joins available in SQL?

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

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

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

Which type of join is not desirable for retrieval?

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 following query ?

SELECT SUM(Salary) from Salesemployee ;

What values does the count(*) function ignore?

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 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(*) from Salesemployee

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

The SQL Statement

SELECT ROUND(45.926, -1) FROM DUAL;

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

Use below table (Salesemployee) and answer the following question

What is the output of 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 AVG(Salary) from Salesemployee

where Dept = ' HR';

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

STRUCTURED QUERY LANGUAGE TEST

Which file type is used for database backup?

Which of the following database cannot be dropped?

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?

What is the main language of Transact-SQL?

Identify the average salary of the jobs 'MANAGER' and 'ANALYST'. Display job, average salary if the identified average salary is more than 1500.

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

Which of the SQL statement is correct?

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;

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

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

The SQL WHERE clause used for

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

You can delete a view with _____________ Command.

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

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

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?

The HAVING clause does which of the following?

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?

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

Find the names of the countries whose condition is sunny

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

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

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

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

Which one is not used in SQL?

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

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

Which of the following statements are TRUE regarding subqueries?

What is "Subquery"?

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?

A ______ index is created based on only one table column.

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

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

Below image depicts:

Where are Joins used?

What is the function of Full Outer Join in SQL?

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 are the joins available in SQL?

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

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

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

Which type of join is not desirable for retrieval?

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 following query ? SELECT SUM(Salary) from Salesemployee ;

What values does the count(*) function ignore?

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 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(*) from Salesemployee WHERE Salary >=500 and Dept = 'Marketing';

The SQL Statement SELECT ROUND(45.926, -1) FROM DUAL;

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

Use below table (Salesemployee) and answer the following question What is the output of 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 AVG(Salary) from Salesemployee where Dept = ' HR';

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

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

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 ID, GPA from student grades order by GPA ____________.

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

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

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 “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?

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?

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 following query ?

SELECT SUM(Salary) from Salesemployee ;

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 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(*) from Salesemployee

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

The SQL Statement

SELECT ROUND(45.926, -1) FROM DUAL;

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 AVG(Salary) from Salesemployee

where Dept = ' HR';

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

1.

BAK
TXT
XML
XLSX

2.

TEMPDB
Master
Msdb
All of the Mentioned

3.

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

4.

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

5.

DDL
DML
DCL
None of the above

6.

select job, avg(sal) "Average Salary" from emp where job in('MANAGER','ANALYST') group by job having avg(sal)>=1500;
select job, avg(sal) "Average Salary" from emp where job in('MANAGER','ANALYST') group by job having avg(sal)>1500;
select job, avg(sal) "Average Salary" from emp where job in('MANAGER') group by job having avg(sal)>1500;
select job, sum(sal) "Average Salary" from emp where job in('MANAGER','ANALYST') order by job having avg(sal)>1500;

7.

TRUE
FALSE

8.

Limit 10
Up to 10
Only 10
Max 10

9.

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

10.

TRUE
FALSE

11.

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.

12.

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');

13.

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.

14.

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

15.

DROP VIEW
DELETE VIEW
REMOVE VIEW
TRUNCATE VIEW

16.

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.

17.

ORDER BY
SORT
ORDER
SORT BY

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.

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.

ASC
DESC
Order by Randomly
No output

21.

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

22.

TRUE
FALSE

23.

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

24.

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');

25.

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

26.

CREATE
UPDATE
ALTER
SELECT

27.

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

28.

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 =

29.

Create Table
Create Index
Create Unique Index
Create Table Column

30.

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

31.

IN
ANY
ALL
All of the above

32.

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

33.

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

34.

SELECT
WHERE
ORDER BY
GROUP BY

35.

TRUE
FALSE

36.

Implicit
Unique
single-column
Composite

37.

TRUE
FALSE

38.

Candidate Key
Sub Key
Super Key
Foreign Key

39.

Data types
Primary keys
Default values
All of the above

40.

Natural key
Primary key
Not Null key
Alternate key

41.

SELF JOIN
INNER JOIN
FULL OUTER JOIN
None of the above

42.

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.

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.

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.

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

46.

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;

47.

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.

48.

Inner
Cartesian
Outer
Left

49.

Inner
Left
Right
Outer

50.

TRUE
FALSE

51.

5000
2500
4500
9400

52.

Repetitive values
Null values
Characters
Integers

53.

8
1
2
4

54.

50
500
200
100

55.

8
6
1
4

56.

Is illegal
Prints Garbage
Prints 045.925
Prints 50

57.

Data types
Primary keys
Default values
All of the above

58.

8
6
3
4

59.

1067
500
2500
1064

60.

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

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

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

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

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 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(*) from Salesemployee
WHERE Salary >=500 and Dept = 'Marketing';

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

SELECT branch_name, COUNT (DISTINCT customer_name)

FROM depositor, account

WHERE depositor.account_number = account.account_number

GROUP BY branch_id