0
Q:

Mention the difference between clustered and a non-clustered index? 

Answer:
Q:

Write SQL Query to find second highest salary of Employee.

Answer

There are many ways to find second highest salary of Employee in SQL, you can either use SQL Join or Subquery to solve this problem. Here is SQL query using Subquery :


SELECT MAX(Salary) from Employee WHERE Salary NOT IN (select MAX(Salary) FROM Employee );

Report Error

View answer Workspace Report Error Discuss

Subject: SQL - Technology

0 298
Q:

Write an SQL Query find number of employees according to gender whose DOB is between 01/01/1960 to 31/12/1975.

Answer

SELECT COUNT(*), sex from Employees  WHERE  DOB BETWEEN ‘01/01/1960 ' AND ‘31/12/1975’  GROUP BY sex;

Report Error

View answer Workspace Report Error Discuss

Subject: SQL - Technology

2 1499
Q:

find all Employee records containing the word "Joe", regardless of whether it was stored as JOE, Joe, or joe.

Answer

SELECT  * from Employees  WHERE  upper(EmpName) like upper('joe%');

Report Error

View answer Workspace Report Error Discuss

Subject: SQL - Technology

1 1088
Q:

Write a SQL Query to find year from date.

Answer

SELECT YEAR(GETDATE()) as "Year";

Report Error

View answer Workspace Report Error Discuss

Subject: SQL - Technology

0 377
Q:

Write an SQL Query to check whether date passed to Query is date of given format or not.

Answer

SQL has IsDate() function which is used to check passed value is date or not of specified format ,it returns 1(true) or 0(false) accordingly.


SELECT  ISDATE('1/08/13') AS "MM/DD/YY";


It will return 0 because passed date is not in correct format.

Report Error

View answer Workspace Report Error Discuss

Subject: SQL - Technology

2 1185