October 2012
Intermediate to advanced
238 pages
5h 17m
English
Content preview from What's New in SQL Server 2012Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 3. Transact SQL
IBM created SQL in the 1970s as a language to query the relational database they had invented. Later, Oracle came to the market with PL/SQL in the 1980s, followed swiftly by T-SQL, which has been with us right since the Sybase SQL server days and now encompasses the SQL-92 ANSI standard. Thankfully Microsoft has again extended it for us in SQL Server 2012, adding new functionality as they see appropriate. While some think it is not acceptable to write non-standard SQL, remember that even simple DDL commands such as CREATE INDEX are an extension.
This means it is very easy to write non-standard SQL and that is no different to any of the other major database vendors. In fact, it contributes to driving future standards without ...