SQL | Structured Query Language Test

What is the full form of SQL?

Which of the following database cannot be dropped?

Which of the following is a valid SQL type?

Which one is a non-relational database?

The result of a SQL SELECT statement is a ______.

You can delete a view with _____________ Command.

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

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?

Syntax for create a views is _______

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

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 one is not used in SQL?

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?

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?

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

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

The SQL WHERE clause used for

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?

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;

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

The HAVING clause does which of the following?

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 “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

What is the significance of the statement “HAVING COUNT (emp_id)>2” 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

HAVING COUNT (emp_id)>2

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

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'

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

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

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

Which of the following is true about sub-queries?

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?

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

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

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

How many Primary Keys can have in a table?

Does an Index help to speed up?

What is the function of Full Outer Join in SQL?

Which type of join is not desirable for retrieval?

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

Choose the correct query for the below scenario.

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

Can you validate the statement?

Alias is used in Joins.

True or False?

What is the syntax for joining two tables? Pick Two

Below image depicts:

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 _______.

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

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 MIN(Salary) from Salesemployee

WHERE Employee_ID % 2 <> 0 ;

“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 Gender = 'Female';

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';

Which of the following is incorrect 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 Gender = 'Female';

The SQL Statement

SELECT ROUND(45.926, -1) FROM DUAL;

STRUCTURED QUERY LANGUAGE TEST

What is the full form of SQL?

Which of the following database cannot be dropped?

Which of the following is a valid SQL type?

Which one is a non-relational database?

The result of a SQL SELECT statement is a ______.

You can delete a view with _____________ Command.

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

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?

Syntax for create a views is _______

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

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 one is not used in SQL?

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?

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?

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

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

The SQL WHERE clause used for

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?

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;

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

The HAVING clause does which of the following?

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 “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

What is the significance of the statement “HAVING COUNT (emp_id)>2” 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 HAVING COUNT (emp_id)>2

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

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'

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

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

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

Which of the following is true about sub-queries?

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?

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

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

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

How many Primary Keys can have in a table?

Does an Index help to speed up?

What is the function of Full Outer Join in SQL?

Which type of join is not desirable for retrieval?

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

Choose the correct query for the below scenario.

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

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

What is the syntax for joining two tables? Pick Two

Below image depicts:

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 _______.

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

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 MIN(Salary) from Salesemployee WHERE Employee_ID % 2 <> 0 ;

“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 Gender = 'Female';

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';

Which of the following is incorrect 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 Gender = 'Female';

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

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

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?

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 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

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?

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;

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 “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

What is the significance of the statement “HAVING COUNT (emp_id)>2” 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

HAVING COUNT (emp_id)>2

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'

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?

An ORDER BY can be used in a subquery.

True or False?

Can you validate the statement?

Alias is used in Joins.

True or False?

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(*) from Salesemployee

WHERE Gender = 'Male';

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 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 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 Gender = 'Female';

The SQL Statement

SELECT ROUND(45.926, -1) FROM DUAL;

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

1.

Structured Query Language
Structured Query List
Simple Query Language
None of these

2.

TEMPDB
Master
Msdb
All of the Mentioned

3.

Character
Numeric
Float
All the above

4.

Postgre
MySQL
MariaDB
MongoDB

5.

File
Report
Table
Form

6.

DROP VIEW
DELETE VIEW
REMOVE VIEW
TRUNCATE VIEW

7.

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

8.

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

9.

All
From
Distinct
Name

10.

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

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.

TRUE
FALSE

13.

Create Table
Create Index
Create Unique Index
Create Table Column

14.

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.

15.

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

16.

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);

17.

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;

18.

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

19.

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.

20.

Salary*1.1
ID
Where
Instructor

21.

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

22.

ORDER BY
SORT
ORDER
SORT BY

23.

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.

24.

Limit 10
Up to 10
Only 10
Max 10

25.

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

26.

Filter out all rows whose total emp_id below 2
Delete the rows whose total emp_id>2
Filter out or select all rows whose total emp_id below 2
None of the mentioned

27.

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

28.

TRUE
FALSE

29.

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;

30.

TRUE
FALSE

31.

AND, OR
< , > >, <>

32.

IN
ANY
ALL
All of the above

33.

They execute after the main query executes
They execute in parallel to the main query
The user can execute the main query and then, if wanted, execute the sub-query
They execute before the main query executes

34.

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

35.

TRUE
FALSE

36.

Candidate Key
Sub Key
Super Key
Foreign Key

37.

Implicit
Unique
single-column
Composite

38.

Data types
Primary keys
Default values
All of the above

39.

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

40.

SELECT queries
WHERE clauses
Both A and B
UPDATE Query

41.

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

42.

Inner
Left
Right
Outer

43.

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.

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.

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;

46.

TRUE
FALSE

47.

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

48.

SELF JOIN
INNER JOIN
FULL OUTER JOIN
None of the above

49.

TRUE
FALSE

50.

Inner
Cartesian
Outer
Left

51.

Aggregate function
Adjunct function
Set Operation
Scalar Operation

52.

8
4
5
3

53.

200
500
700
100

54.

Aggregate functions
Operators
Clauses
All of the mentioned

55.

200
700
2000
2500

56.

8
6
1
4

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
6
3
4

59.

1175
1000
1350
2500

60.

Is illegal
Prints Garbage
Prints 045.925
Prints 50

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

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

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 Gender = 'Female';

SELECT branch_name, COUNT (DISTINCT customer_name)

FROM depositor, account

WHERE depositor.account_number = account.account_number

GROUP BY branch_id