STRUCTURED QUERY LANGUAGE TEST

Progress

1.

What is the SQL query used to retrieve all the data from the customer table?

2.

The result of a SQL SELECT statement is a ______.

3.

To delete the database __________ Command is used

4.

What is the meaning of a Database?

5.

What is the main language of  Transact-SQL?

6.

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

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

7.

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

8.

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

9.

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

10.

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

11.

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;

12.

Find the names of the countries whose condition is sunny

13.

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

14.

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

15.

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?

16.

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

17.

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;  

18.

 Syntax for create a  views is _______

19.

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;

20.

The SQL WHERE clause used for 

21.

Which of the SQL statement is correct?

22.

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

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

23.

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'

24.

Which one is not used in SQL?

25.

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

26.

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

27.

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''?

28.

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

29.

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

30.

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    

31.

A subquery in an SQL SELECT statement is enclosed in

32.

Which of the following statements are TRUE regarding subqueries?

33.

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

34.

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

35.

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

36.

Does an Index help to speed up?

37.

How many Primary Keys can have in a table?

38.

By default, which key creates Clustered index?

39.

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

40.

Can you validate the statement?

A table contains more than one foreign key

True or False?

41.

Which type of join is not desirable for retrieval?

42.

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

43.

What are the joins available in SQL?

44.

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

45.

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

46.

What is the syntax for joining two tables? Pick Two

47.

Choose the correct query for the below scenario.

 

48.

Choose the query that matches the above image.

49.

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

50.

What is the function of Full Outer Join in SQL?

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 Count(*) from Salesemployee 
WHERE Salary >=500 and Dept = 'Marketing';

 

53.

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 ;    

 

54.

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

 

55.

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%';

 

56.

Which SQL keyword is used to retrieve a maximum value?

57.

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

58.

Use below table (Salesemployee) and answer the following question
What is the output of following query?
SELECT MIN(Salary) from Salesemployee 
WHERE Gender = 'Female';  

 

59.

Use below table (Salesemployee) and answer the following question
What is the output of following query ?
SELECT Max(Salary) from Salesemployee 
WHERE Gender = 'Male';  

 

60.

“COUNT” keyword belongs to which categories in MySQL?

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