select count(userid) from Webuser where not exists (select * from aUser where Webuser.userid = aUser.userid AND aUser.remoteid = indExport.inum).The query goes on forever, and after 30 minutes, I cancelled it. Question: should I delete records in the trigger-referenced tables before I delete them from aUser? I'm at a total loss here.
In general, yes, that is the best practice. As for the query you are running, you said it goes on forever. What...
By submitting your email address, you agree to receive emails regarding relevant topic offers from TechTarget and its partners. You can withdraw your consent at any time. Contact TechTarget at 275 Grove Street, Newton, MA.
part of it goes on forever? Why does it go on forever? How are the tables indexed? And to top that off, you have created a query with a cross product in it which is going to kill your SQL Server. You are creating a three way cross product to be exact between aUser, Webuser, and indExport.
For More Information
- Dozens more answers to tough SQL Server questions from Michael Hotek are available here.
- The Best Microsoft SQL Server Web Links: tips, tutorials, scripts, and more.
- Have a SQL Server tip to offer your fellow DBAs and developers? The best tips submitted will receive a cool prize. Submit your tip today!
- Ask your technical SQL Server questions -- or help out your peers by answering them -- in our live discussion forums.
- Ask the Experts yourself: Our SQL, database design, SQL Server, DB2, object-oriented and data warehousing gurus are waiting to answer your toughest questions.
Dig Deeper on Microsoft SQL Server Installation
Have a question for an expert?
Please add a title for your question
Get answers from a TechTarget expert on whatever's puzzling you.