T-SQL HomeT-SQLT-SQL [A-] | [A+] T(ransact)-SQL is proprietary extension to SQL. SQL is an acronym for Structured Query Language. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Google+ (Opens in new window) Related Tags: T-SQL About admin View all posts by admin → Byadmin How to SUM in excel SUM POST A COMMENT Click here to cancel reply. Notify me of follow-up comments by email. Notify me of new posts by email.