Can we have aggregate function in where clause?

yes, that it is possible with having i do know.

Which clause Cannot be used with aggregate functions?

An aggregate function cannot be used directly in: an ORDER BY clause. Attempting to do so generates an SQLCODE -73 error. However, you can use an aggregate function in an ORDER BY clause by specifying the corresponding column alias or select-item sequence number.

Why we use HAVING clause when using aggregate functions?

A HAVING clause in SQL specifies that an SQL SELECT statement must only return rows where aggregate values meet the specified conditions. After the aggregating operation, HAVING is applied, filtering out the rows that don’t match the specified conditions.

Can we use where clause instead of HAVING?

No, because having is for aggregate functions or group by clause. The first query would not run. HAVING specifies a search condition for a group or an aggregate function used in a SELECT statement.

Can we use aggregate function without GROUP BY clause?

While all aggregate functions could be used without the GROUP BY clause, the whole point is to use the GROUP BY clause. That clause serves as the place where you’ll define the condition on how to create a group. When the group is created, you’ll calculate aggregated values.

How is the purpose of WHERE clause is different from that of HAVING clause?

WHERE Clause is used to filter the records from the table based on the specified condition. HAVING Clause is used to filter record from the groups based on the specified condition.

Which clause can be used with aggregate functions?

GROUP BY
Which clause is used with an “aggregate functions”? Explanation: “GROUP BY” is used with aggregate functions.

Can aggregate functions be used without group by?

Can HAVING clause be used without aggregate functions?

3. The having clause can contain aggregate functions. It cannot contain aggregate functions.

Can aggregate functions be used without HAVING and GROUP BY?

What is the difference between HAVING clause and WHERE clause?

A HAVING clause is like a WHERE clause, but applies only to groups as a whole (that is, to the rows in the result set representing groups), whereas the WHERE clause applies to individual rows. A query can contain both a WHERE clause and a HAVING clause.

Which of the following is not an aggregate function?

Which of the following is not an aggregate function? Explanation: With is used to create temporary relation and its not an aggregate function.

Why can we use aggregate function in where clause in SQL?

Why can we use aggregate function in where clause. Aggregate functions work on sets of data. A WHERE clause doesn’t have access to entire set, but only to the row that it is currently working on. You can of course use HAVING clause: select name from employee group by name having sum (salary) > 1000;

What is the difference between having and where clause in SQL?

Well, the main distinction between the two clauses is that HAVING can be applied for subsets of aggregated groups, while in the WHERE block, this is forbidden. In simpler words, after HAVING, we can have a condition with an aggregate function, while WHERE cannot use aggregate functions within its conditions.

Which clause is used after group by clause in SQL?

HAVING Clause is used after GROUP BY Clause. 7. WHERE Clause is used with single row function like UPPER, LOWER etc. HAVING Clause is used with multiple row function like SUM, COUNT etc.

Why can’t I use sum() in the where clause?

The reason you can’t use SUM()in the WHEREclause is the order of evaluation of clauses. FROMtells you where to read rows from. Right as rows are read from disk to memory, they are checked for the WHEREconditions.