SQL | Structured Query Language Test

In SQL, which command is used to change a table's storage characteristics?

To delete the database __________ Command is used

What is the meaning of a Database?

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

To Create a new database __________ Command is used

Select ________ dept_name from instructor;

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

You can delete a view with _____________ Command.

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

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

Find all the cities whose humidity is 89

Find the names of the countries whose condition is sunny

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

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 a correct query or not?

Select OrderID, Shipdate

From Orders

Where CustomerID=20

Order by Shipdate;

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?

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

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

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

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?

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

The HAVING clause does which of the following?

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

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

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

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

The SQL WHERE clause used for

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

Where subqueries can not be used?

What is "Subquery"?

Can you validate the statement?

An ORDER BY can be used in a subquery.

True or False?

A subquery in an SQL SELECT statement is enclosed in

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

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

Does an Index help to speed up?

Can you validate the statement?

A table contains more than one foreign key

True or False?

Which of the following is correct DROP INDEX Command?

By default, which key creates Clustered index?

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

List all orders, showing order number, customer name and credit limit of a customer.

Orders Table:

Order_Number, Customer, Product_Amount

Customers Table:

Customer_Number, Customer_Name, Credit_Limit

Which of the below query satisfy the above question?

Below image depicts:

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

Which type of join is not desirable for retrieval?

Can you validate the statement?

Alias is used in Joins.

True or False?

Where are Joins used?

What is the syntax for joining two tables? Pick Two

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?

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 Max(Salary) from Salesemployee

WHERE Gender = 'Male';

What values does the count(*) function ignore?

Which SQL keyword is used to retrieve a maximum value?

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

The _____ aggregation operation adds up all the values of the attribute

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

Which of the following is incorrect SQL?

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' ;

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

“COUNT” keyword belongs to which categories in MySQL?

STRUCTURED QUERY LANGUAGE TEST

In SQL, which command is used to change a table's storage characteristics?

To delete the database __________ Command is used

What is the meaning of a Database?

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

To Create a new database __________ Command is used

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

You can delete a view with _____________ Command.

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

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

Find all the cities whose humidity is 89

Find the names of the countries whose condition is sunny

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

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 a correct query or not? Select OrderID, Shipdate From Orders Where CustomerID=20 Order by Shipdate;

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?

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

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

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

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?

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

The HAVING clause does which of the following?

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

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

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

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

The SQL WHERE clause used for

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

Where subqueries can not be used?

What is "Subquery"?

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

A subquery in an SQL SELECT statement is enclosed in

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

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

Does an Index help to speed up?

Can you validate the statement? A table contains more than one foreign key True or False?

Which of the following is correct DROP INDEX Command?

By default, which key creates Clustered index?

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

List all orders, showing order number, customer name and credit limit of a customer. Orders Table: Order_Number, Customer, Product_Amount Customers Table: Customer_Number, Customer_Name, Credit_Limit Which of the below query satisfy the above question?

Below image depicts:

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

Which type of join is not desirable for retrieval?

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

Where are Joins used?

What is the syntax for joining two tables? Pick Two

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?

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

What values does the count(*) function ignore?

Which SQL keyword is used to retrieve a maximum value?

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

The _____ aggregation operation adds up all the values of the attribute

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

Which of the following is incorrect SQL?

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' ;

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

“COUNT” keyword belongs to which categories in MySQL?

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?

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 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 a correct query or not?

Select OrderID, Shipdate

From Orders

Where CustomerID=20

Order by Shipdate;

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?

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

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

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?

Can you validate the statement?

A table contains more than one foreign key

True or False?

List all orders, showing order number, customer name and credit limit of a customer.

Orders Table:

Order_Number, Customer, Product_Amount

Customers Table:

Customer_Number, Customer_Name, Credit_Limit

Which of the below query satisfy the above question?

Can you validate the statement?

Alias is used in Joins.

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?

Use below table (Salesemployee) and answer the following question

What is the output of following query ?

SELECT Max(Salary) 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 Salary >=2500 and Dept = 'Sales' ;

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

1.

Alter Table
Modify Table
Change Table
None of these

2.

Drop database_name
Drop database database_name
Delete database_name
Delete database database_name

3.

Collection of structured information
Database stores SQL Query
Database is a kind of view table
None of the above

4.

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

5.

New database_name
Create database database_name
First Database database_name
New database database_name

6.

All
From
Distinct
Name

7.

DROP VIEW
DELETE VIEW
REMOVE VIEW
TRUNCATE VIEW

8.

TRUE
FALSE

9.

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

10.

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');

11.

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

12.

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');

13.

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

14.

Limit 10
Up to 10
Only 10
Max 10

15.

TRUE
FALSE

16.

Salary*1.1
ID
Where
Instructor

17.

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 =

18.

ASC
DESC
Order by Randomly
No output

19.

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

20.

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.

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.

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

24.

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.

25.

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

26.

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

27.

CREATE
UPDATE
ALTER
SELECT

28.

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

29.

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.

30.

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.

31.

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

32.

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

33.

TRUE
FALSE

34.

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

35.

SELECT
WHERE
ORDER BY
GROUP BY

36.

1
2
3
4

37.

SELECT queries
WHERE clauses
Both A and B
UPDATE Query

38.

TRUE
FALSE

39.

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

40.

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

41.

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;

42.

Select Order_Numer, Customer_Name, Credit_Limit from Customers, Orders where Customer = Customer_Number;
Select Order_Numer, Customer_Name, Credit_Limit from Customers INNER JOIN Orders ON Customers.Customer_Number = Orders.Customer;;
Both
None

43.

SELF JOIN
INNER JOIN
FULL OUTER JOIN
None of the above

44.

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.

45.

Inner
Left
Right
Outer

46.

TRUE
FALSE

47.

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.

48.

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

49.

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);

50.

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;

51.

1000
1500
500
200

52.

Repetitive values
Null values
Characters
Integers

53.

MOST
TOP
MAX
UPPER

54.

Data types
Primary keys
Default values
All of the above

55.

add
avg
max
sum

56.

Aggregate function
Adjunct function
Set Operation
Scalar Operation

57.

Select max(Marks) from student;
Select sum(Marks) from student;
Select max(Marks1+Marks2) from student;
Select max(Marks1, Marks2) from student;

58.

8
1
2
4

59.

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

60.

Aggregate functions
Operators
Clauses
All of the mentioned

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

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

Customers Table:
Customer_Number, Customer_Name, Credit_Limit

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 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