SQL | Structured Query Language Test

To Create a new database __________ Command is used

To delete the database __________ Command is used

Which one is not part of the Database backup file?

Which of the following database cannot be dropped?

Which of the following is a valid SQL type?

Syntax for create a views is _______

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

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

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

SELECT emp_id, fname, lname

FROM person

ORDER BY emp_id;

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?

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

Which one is not used in SQL?

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 of the SQL statement is correct?

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

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

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;

You can delete a view with _____________ Command.

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

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

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

Can you validate the statement?

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

True or False?

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

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

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

select deptName

from Employee

having avg (salary)

group by deptName

where sex = 'M'

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.

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

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

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

Can you validate the statement?

An ORDER BY can be used in a subquery.

True or False?

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

Which of the following statements are TRUE regarding subqueries?

Where subqueries can not be used?

A subquery in an SQL SELECT statement is enclosed in

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

Student (ID, Name, Dept_name, Total_credit)

In this above query which attribute form the Primary Key?

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

Can you validate the statement?

A column with a Unique key has duplicate values.

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?

Below image depicts:

Can you validate the statement?

Alias is used in Joins.

True or False?

Choose the query that matches the above image.

Choose the correct query for the below scenario.

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

Which Join?

How many tables may include with a join?

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?

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

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 MIN(Salary) from Salesemployee

WHERE Gender = 'Female';

Use below table (Salesemployee) and answer the following question

What is the output of following query ?

SELECT AVG(Salary) from Salesemployee

where Dept = ' HR';

The SQL Statement

SELECT ROUND(45.926, -1) FROM DUAL;

“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 MIN(Salary) from Salesemployee

WHERE Employee_ID % 2 != 0 ;

Which SQL keyword is used to retrieve the highest value?

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

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 Gender = 'Male';

STRUCTURED QUERY LANGUAGE TEST

To Create a new database __________ Command is used

To delete the database __________ Command is used

Which one is not part of the Database backup file?

Which of the following database cannot be dropped?

Which of the following is a valid SQL type?

Syntax for create a views is _______

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

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

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

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?

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

Which one is not used in SQL?

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 of the SQL statement is correct?

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

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

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;

You can delete a view with _____________ Command.

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

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

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

Can you validate the statement? "ORDER BY" can only be used by WHERE Clause. True or False?

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

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

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.

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

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

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

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

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

Which of the following statements are TRUE regarding subqueries?

Where subqueries can not be used?

A subquery in an SQL SELECT statement is enclosed in

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

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

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

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

Below image depicts:

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

Choose the query that matches the above image.

Choose the correct query for the below scenario.

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

How many tables may include with a join?

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?

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

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

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

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

“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 MIN(Salary) from Salesemployee WHERE Employee_ID % 2 != 0 ;

Which SQL keyword is used to retrieve the highest value?

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

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 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 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;

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;

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;

Can you validate the statement?

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

True or False?

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

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

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

select deptName

from Employee

having avg (salary)

group by deptName

where sex = 'M'

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

Can you validate the statement?

An ORDER BY can be used in a subquery.

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?

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 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 MIN(Salary) from Salesemployee

WHERE Gender = 'Female';

Use below table (Salesemployee) and answer the following question

What is the output of following query ?

SELECT AVG(Salary) from Salesemployee

where Dept = ' HR';

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 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 Gender = 'Male';

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

1.

New database_name
Create database database_name
First Database database_name
New database database_name

2.

Drop database_name
Drop database database_name
Delete database_name
Delete database database_name

3.

Full
Differential
Transaction log
Backup log

4.

TEMPDB
Master
Msdb
All of the Mentioned

5.

Character
Numeric
Float
All the above

6.

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

7.

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.

8.

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');

9.

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

10.

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);

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.

Create Table
Create Index
Create Unique Index
Create Table Column

13.

TRUE
FALSE

14.

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

15.

CREATE
UPDATE
ALTER
SELECT

16.

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;

17.

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

18.

TRUE
FALSE

19.

DROP VIEW
DELETE VIEW
REMOVE VIEW
TRUNCATE VIEW

20.

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

21.

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

22.

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

23.

TRUE
FALSE

24.

Limit 10
Up to 10
Only 10
Max 10

25.

TRUE
FALSE

26.

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.

27.

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

28.

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;

29.

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

30.

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

31.

TRUE
FALSE

32.

AND, OR
< , > >, <>

33.

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

34.

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

35.

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

36.

Data types
Primary keys
Default values
All of the above

37.

Name
Dept
Total_Credit
ID

38.

Candidate Key
Sub Key
Super Key
Foreign Key

39.

TRUE
FALSE

40.

TRUE
FALSE

41.

SELF JOIN
INNER JOIN
FULL OUTER JOIN
None of the above

42.

TRUE
FALSE

43.

Select [List] from [Table A] A inner join [Table B] B on A.value=B.value
Select [List] from [Table A] A full outer join [Table B] B on A.value=B.value where A.value is null or B.value is null
Select [List] from [Table A] A right join [Table B] B on A.value=B.value where A.value is null
Select [List] from [Table A] A full outer join [Table B] B on A.value=B.value

44.

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;

45.

Inner
Cartesian
Outer
Left

46.

0
1
2
More than 1

47.

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

48.

SELECT Orders.OrderID, Customers.CustomerName, Orders.OrderDate FROM Orders INNER JOIN Customers ON Orders.CustomerID=Customers.CustomerID;
SELECT Orders.OrderID, Customers.CustomerName, Orders.OrderDate FROM Orders FULLY OUTER Customers ON Orders.CustomerID=Customers.CustomerID;
SELECT Orders.OrderID, Customers.CustomerName, Orders.OrderDate FROM Orders RIGHT OUTER JOIN Customers ON Orders.CustomerID=Customers.CustomerID;
SELECT Orders.OrderID, Customers.CustomerName, Orders.OrderDate FROM Orders SELF JOIN Customers ON Orders.CustomerID=Customers.CustomerID;

49.

TRUE
FALSE

50.

Inner
Cartesian
Outer
Left

51.

200
500
700
100

52.

200
700
2000
2500

53.

1067
500
2500
1064

54.

Is illegal
Prints Garbage
Prints 045.925
Prints 50

55.

Aggregate functions
Operators
Clauses
All of the mentioned

56.

50
500
200
100

57.

MOST
TOP
MAX
UPPER

58.

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

59.

COUNT
UPPER
LOWER
All of the mentioned

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

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 Count(*) from Salesemployee
WHERE Gender = 'Male';

SELECT branch_name, COUNT (DISTINCT customer_name)

FROM depositor, account

WHERE depositor.account_number = account.account_number

GROUP BY branch_id