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Microsoft's SQL Server is a relational database management system (RDBMS) that runs as a server providing multi-user access to a number of databases. It originated from the Sybase SQL Server codebase, which is why both products use the extension of SQL called Transact-SQL (T-SQL).

3 votes

SQL query to obtain totals and subtotals

how about using CASE SELECT tz.ZoneId, qn.QuestionId, SUM(CASE WHEN Event >= 201201 AND Event <= 201212 THEN 1 ELSE 0 END) as Count1, …
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