Ars Technica

SQL Server > How to do an Update query w/ Joins?

I've done this sort of thing many a time in Access, but SQL Server gives me errors when I try...<P>We have a table for company employees:<P>Employees<BR> * EmpID (key)<BR> * EmpFirstName<BR> * ...
Ars Technica

MS Access - Simple update query from a count() subquery - possible?

Hi all,<BR><BR>I have what i think to be a relatively simple task and may just be having a "moment" I'm building a report and am pulling a bunch of data from our db.<BR><BR>The table I'm builidng has ...
InfoWorld

SQL unleashed: 9 ways to speed up your SQL queries

A common SQL habit is to use SELECT * on a query, because it’s tedious to list all the columns you need. Plus, sometimes those columns may change over time, so why not just do things the easy way? But ...
Redmond Magazine

Deep Dive into SQL Server 2022's Query Performance Features, Part 2: PSP Optimization

In part 1 of my SQL Server 2022 features series, you learned about the improvements to the cardinality estimator component of query optimization. In this installment, you will learn about another ...