SQL | Structured Query Language Test

To Create a new database __________ Command is used

Which of the following is not a database object?

What does a DML Stand for?

Which of the following is the original purpose of SQL?

The result of a SQL SELECT statement is a ______.

Select ________ dept_name from instructor;

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

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

SELECT emp_id, fname, lname

FROM person

ORDER BY emp_id;

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

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?

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 one is not used in SQL?

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

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

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

You can delete a view with _____________ Command.

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;

Find the names of the countries whose condition is sunny

Which of the SQL statement is correct?

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

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

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

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

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

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

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''?

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

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

The HAVING clause does which of the following?

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

A subquery in an SQL SELECT statement is enclosed in

Can you validate the statement?

An ORDER BY can be used in a subquery.

True or False?

What is "Subquery"?

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

Which of the following statements are TRUE regarding subqueries?

Can you validate the statement?

A column with a Primary key has a Null value.

True or False?

Which of the following is correct DROP INDEX Command?

By default, which key creates Clustered index?

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

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

Where are Joins used?

Below image depicts:

What are the joins available in SQL?

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

How many tables may include with a join?

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.

Choose the correct query for the below scenario.

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 ;

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

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 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 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 ;

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%' and 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 Max(Salary) from Salesemployee

WHERE Gender = 'Male';

STRUCTURED QUERY LANGUAGE TEST

To Create a new database __________ Command is used

Which of the following is not a database object?

What does a DML Stand for?

Which of the following is the original purpose of SQL?

The result of a SQL SELECT statement is a ______.

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

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

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

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?

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 one is not used in SQL?

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

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

You can delete a view with _____________ Command.

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;

Find the names of the countries whose condition is sunny

Which of the SQL statement is correct?

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

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

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

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

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

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

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''?

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

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

The HAVING clause does which of the following?

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

A subquery in an SQL SELECT statement is enclosed in

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

What is "Subquery"?

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

Which of the following statements are TRUE regarding subqueries?

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

Which of the following is correct DROP INDEX Command?

By default, which key creates Clustered index?

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

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

Where are Joins used?

Below image depicts:

What are the joins available in SQL?

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

How many tables may include with a join?

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.

Choose the correct query for the below scenario.

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 ;

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

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 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 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 ;

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%' and 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 Max(Salary) from Salesemployee WHERE Gender = 'Male';

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

Select ________ dept_name from instructor;

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

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

SELECT emp_id, fname, lname

FROM person

ORDER BY emp_id;

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.

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

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;

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;

Can you validate the statement?

An ORDER BY can be used in a subquery.

True or False?

Can you validate the statement?

A column with a Primary key has a Null value.

True or False?

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 MIN(Salary) from Salesemployee

WHERE Employee_ID % 2 <> 0 ;

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 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 ;

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';

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 Max(Salary) 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.

Stored Procedure
Index
Database Diagram
Powershell

3.

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

4.

To specify the syntax and semantics of SQL data definition language
To specify the syntax and semantics of SQL manipulation language
To define the data structures
All of the above

5.

File
Report
Table
Form

6.

All
From
Distinct
Name

7.

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

8.

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;

9.

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);

10.

TRUE
FALSE

11.

Create Table
Create Index
Create Unique Index
Create Table Column

12.

Limit 10
Up to 10
Only 10
Max 10

13.

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.

14.

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

15.

DROP VIEW
DELETE VIEW
REMOVE VIEW
TRUNCATE VIEW

16.

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

17.

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');

18.

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

19.

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

20.

CREATE
UPDATE
ALTER
SELECT

21.

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

22.

TRUE
FALSE

23.

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;

24.

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

25.

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

26.

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%'

27.

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.

28.

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

29.

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.

30.

ORDER BY
SORT
ORDER
SORT BY

31.

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

32.

TRUE
FALSE

33.

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

34.

AND, OR
< , > >, <>

35.

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

36.

TRUE
FALSE

37.

DROP INDEX table_name;
DROP INDEX index_name;
DROP INDEX index_name or table_name;
DELETE INDEX index_name;

38.

Foreign Key constraint
Unique Key constraint
Primary Key constraint
None of the above

39.

Implicit
Unique
single-column
Composite

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.

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.

44.

SELF JOIN
INNER JOIN
FULL OUTER JOIN
None of the above

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.

0
1
2
More than 1

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 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;

49.

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;

50.

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;

51.

8
4
2

52.

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

53.

200
500
700
100

54.

9400
4000
5400
2500

55.

1067
500
2500
1064

56.

50
500
200
100

57.

COUNT
UPPER
LOWER
All of the mentioned

58.

3
1
8
4

59.

Is illegal
Prints Garbage
Prints 045.925
Prints 50

60.

1000
1500
500
200

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

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 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 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(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 Max(Salary) 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