If your business uses relational databases to store data, you may have used a SQL SELECT clause to create new tables from query results. This method won't work in SQL Server, but Microsoft's Trans ...

As I discussed in an earlier column, SQL Server keeps a plan cached for each query it sees (assuming the query requires planning in the first place, of course). That's great for speeding up processing ...

DB2, Microsoft SQL Server, Oracle and PostgreSQL all support recursive queries using CTEs. Note that Oracle also offers an alternative syntax using the CONNECT BY construct, which we will not discuss ...

Probably for a query that your application runs occasionally, in-memory processing of JSON data might still be an option. In general, though, querying through JSON-dedicated functions and letting SQL ...

I have a test server hosting several sites using SQL Server Express and SQL Management Studio Express. <BR><BR>I've seen one site have an occasional issue where queries to a particular table (the ...

Joey on SQL Server Deep Dive into SQL Server 2022's Query Performance Features, Part 2: PSP Optimization Reduce workload times with this handy feature that can benefit every database pro.