What is the difference between a HAVING CLAUSE and a WHERE CLAUSE?

Having Clause is basically used only with the GROUP BY function in a query. WHERE Clause is applied to each row before they are part of the GROUP BY function in a query (More...)

Both Clause are used to check the Condition at the time of Retrival of records in Database.
WHERE Clause is applied to each row before they are part of the GROUP BY function in a query.
Having Clause is basically used only with the GROUP BY function in a query. (More...)

Having Clause is basically used only with the GROUP BY function in a query. WHERE Clause is applied to each row before they are part of the GROUP BY function in a query (More...)

Having is basically used for the any condition in Group by Clause

like if you are finding sum,max,min etc of any field you are using group by clause and sum is required with some condition then you use having clause for that condition

like select sum(Amount) as Amount from AD_tblAmount having (Sum(Amount)>0) (More...)

They specify a search condition for a group or an aggregate. But the difference is that HAVING can be used only with the SELECT statement. HAVING is typically used in a GROUP BY clause. When GROUP BY is not used, HAVING behaves like a WHERE clause. Having Clause is basically used only with the GROUP BY function in a query whereas WHERE Clause is applied to each row before they are part of the GROUP BY function in a query. (More...)

WHERE clause:
Restriction statement.
Having clause:
Using after retrieving the Data
(More...)

Where clause is used for check condition or fetch specfic values

select * from employee where empid=1001

Having clause is used for Grouping Group by Clause.

avg,max,count,min....


(More...)

Yes. The code in the finally always runs. (More...)

select count(*) from tbl_name group by emp_id having salary > 5000 (More...)

Inorder to have ORDER BY Clause in Sql Server

we have to restrict the rows by Using TOP clause

If there is no TOP Clause then you cannot have ORDER BY clause

in a View (More...)