As SQL is quite vast so I will post interview questions on SQL query in three sets, below is the set-10:
1. Write An SQL Query To Print Details Of The EMPLOYEEs Whose FIRST_NAME Ends With ‘A’.
Select * from EMPLOYEE where FIRST_NAME like '%a';
1. Write An SQL Query To Print Details Of The EMPLOYEEs Whose FIRST_NAME Ends With ‘A’.
Select * from EMPLOYEE where FIRST_NAME like '%a';
2.
Write An SQL Query To Print Details Of The EMPLOYEEs
Whose FIRST_NAME Ends With ‘H’ And Contains Six Alphabets.
Select * from EMPLOYEE where FIRST_NAME like '_____h';
Select * from EMPLOYEE where FIRST_NAME like '_____h';
3.
Write An SQL Query To Print Details Of The EMPLOYEEs
Whose SALARY Lies Between 100000 And 500000.
Select * from EMPLOYEE where SALARY between 100000 and 500000;
Select * from EMPLOYEE where SALARY between 100000 and 500000;
4.
Write An SQL Query To Print Details Of The EMPLOYEEs
Who Have Joined In Feb’2014.
Select * from EMPLOYEE where year(JOINING_DATE) = 2014 and month(JOINING_DATE) = 2
Select * from EMPLOYEE where year(JOINING_DATE) = 2014 and month(JOINING_DATE) = 2
5.
Write An SQL Query To Fetch EMPLOYEE Names With
Salaries >= 50000 And <= 100000.
Select FIRST_NAME, SALARY from EMPLOYEE where SALARY between 50000 And 100000.
Select FIRST_NAME, SALARY from EMPLOYEE where SALARY between 50000 And 100000.
6.
Write An SQL Query To Fetch The No. Of EMPLOYEEs For
Each Department In The Descending Order.
SELECT DEPARTMENT, count(EMPLOYEE_ID) No_Of_EMPLOYEEs
FROM EMPLOYEE
GROUP BY DEPARTMENT
ORDER BY No_Of_EMPLOYEEs DESC;
SELECT DEPARTMENT, count(EMPLOYEE_ID) No_Of_EMPLOYEEs
FROM EMPLOYEE
GROUP BY DEPARTMENT
ORDER BY No_Of_EMPLOYEEs DESC;
7.
Write An SQL Query To Print Details Of The EMPLOYEEs
Who Are Also Managers.
SELECT EMPLOYEE.EMPLOYEE_ID,EMPLOYEE.DEPARTMENT,EMPLOYEE.FIRST_NAME ,Title.EMPLOYEE_TITLE Title from EMPLOYEE Inner Join Title
on EMPLOYEE.EMPLOYEE_ID=Title.EMPLOYEE_Ref_ID where Title.EMPLOYEE_TITLE='Manager' order by EMPLOYEE_ID
SELECT EMPLOYEE.EMPLOYEE_ID,EMPLOYEE.DEPARTMENT,EMPLOYEE.FIRST_NAME ,Title.EMPLOYEE_TITLE Title from EMPLOYEE Inner Join Title
on EMPLOYEE.EMPLOYEE_ID=Title.EMPLOYEE_Ref_ID where Title.EMPLOYEE_TITLE='Manager' order by EMPLOYEE_ID
8. Write An SQL Query To Fetch Duplicate Records Having Matching Data In Some
Fields Of A Table.
SELECT EMPLOYEE_TITLE, AFFECTED_FROM, COUNT(*)
FROM Title
GROUP BY EMPLOYEE_TITLE, AFFECTED_FROM
HAVING COUNT(*) > 1;
SELECT EMPLOYEE_TITLE, AFFECTED_FROM, COUNT(*)
FROM Title
GROUP BY EMPLOYEE_TITLE, AFFECTED_FROM
HAVING COUNT(*) > 1;
9. Write An SQL Query To Show Only Odd Rows From A Table.
SELECT * FROM Emplyee WHERE MOD (EMPLOYEE_ID, 2) <> 0;
SELECT * FROM Emplyee WHERE MOD (EMPLOYEE_ID, 2) <> 0;
10. Write
An SQL Query To Show Only Even Rows From A Table.
SELECT * FROM EMPLOYEE WHERE MOD (EMPLOYEE_ID, 2) = 0;
11. Write An SQL Query To Determine The Nth (Say
N=5) Highest Salary From A Table.SELECT * FROM EMPLOYEE WHERE MOD (EMPLOYEE_ID, 2) = 0;
SELECT Salary FROM EMPLOYEE ORDER BY Salary DESC LIMIT n-1,1;
Lean Cucumber/BDD commands in below link:
CUCUMBER COMMANDS
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