STRUCTURED QUERY LANGUAGE TEST

Progress

1.

To Create a new database __________ Command is used

2.

Which one is not part of the Database backup file?

3.

 Which of the following is the original purpose of SQL?

4.

 What does a  DML Stand for?

5.

What is the meaning of a Database?

6.

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''?

7.

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

8.

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?

9.

You can delete a view with _____________ Command.

10.

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

11.

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

12.

Which of the SQL statement is correct?

13.

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

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

14.

The HAVING clause does which of the following?

15.

 Syntax for create a  views is _______

16.

Select ________ dept_name from instructor; 

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

17.

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

18.

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    

19.

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

20.

The SQL WHERE clause used for 

21.

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

22.

Find all the cities whose humidity is 89

23.

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;

24.

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

25.

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;

26.

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;  

27.

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

SELECT emp_id, fname, lname  
FROM person    
ORDER BY emp_id;  

28.

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

29.

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          

30.

Find the names of the countries whose condition is sunny

31.

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

32.

Where subqueries can not be used?

33.

A subquery in an SQL SELECT statement is enclosed in

34.

Which of the following statement(s) is TRUE regarding subqueries?

35.

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

36.

By default, which key creates Clustered index?

37.

Can you validate the statement?

We can use the index on columns that contain a high number of NULL values.

True or False?

38.

Which of the following is not a Key in SQL Server?

39.

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

40.

Which one of the following can be taken as a Primary Key?

41.

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

Which Join?

42.

Can you validate the statement?

Join is different from Inner join.

True or False?

43.

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

44.

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

45.

Where are Joins used?

46.

How many tables may include with a join? 

47.

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

48.

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? 

49.

What is the function of Full Outer Join in SQL?

50.

Which type of join is not desirable for retrieval?

51.

Use below table (Salesemployee) and answer the following question
What is the output of following query ?
SELECT Count(Salary) from Salesemployee 
where name Like 'T%';  

 

52.

Use below table (Salesemployee) and answer the following question
What is the output of following query ?
SELECT MAX(Salary) from Salesemployee 
WHERE Employee_ID % 2 = 0 ;  

 

53.

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';

 

54.

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

55.

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

56.

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';      
        

57.

“COUNT” keyword belongs to which categories in MySQL?

58.

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

59.

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 ;    

 

60.

Which SQL keyword is used to retrieve a maximum value?

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