GitHub

HAVING and WHERE CLAUSE

--SELECT City ,SUM(Salary)AS "TOTAL SALARY AS PER CITY" FROM EmployeeData GROUP BY City; --SELECT City ,SUM(Salary)AS "TOTAL SALARY AS PER CITY" FROM EmployeeData GROUP BY City HAVING City IN ...
GitHub

use-having-and-where-clauses-in-the-same-query-visual-database-tools.md

In some instances, you might want to exclude individual rows from groups (using a WHERE clause) before applying a condition to groups as a whole (using a HAVING clause). The database used in this ...
Redmond Magazine

A Deep Dive into SQL Server 2022's Query Performance Features, Part 1

An update to the cardinality estimator feature in SQL Server 2022 will be one of the biggest changes to the database engine since its inception. Database engines like SQL Server are incredibly complex ...