This article gives the basics about how to find and use Transact-SQL (T-SQL) reference articles.| learn.microsoft.com
Reserved Keywords (Transact-SQL)| learn.microsoft.com
Tips and tricks for navigating the SQL Server technical documentation - explains such things as the hub page, the table of contents, the header, as well as how to use the breadcrumbs and how to use the version filter.| learn.microsoft.com