SQL Basics I: Data Queries—covers database terminology and the four basic query types. SQL Basics: SELECT statement options —covers the SELECT statement in detail and explains aggregate functions.

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 ...

That capability is enhanced in SQL Server 2016, the first-ever version that lets developers query within JSON strings as if the JSON were organized into individual columns. What's more, you can read ...

However, there are any number of queries in any application that SQL Server may never see again (at least in, for example, the next 24 hours). The plans for these "one-time" queries are taking up ...

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 ...

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.

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 ...