Among them: altering the back-end query (specifically by reconsidering the use of concatenation) or limiting user-supplied input to avoid bad-faith language. Here are a few examples: Use parameterized ...

Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement.

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.

Normalized data giving you problems? Learn how to use the SQL subselect statement and handle your database like a pro!

Note: This example uses a Version 6 view descriptor with the Pass-Through Facility to access DBMS data. Beginning in Version 7, you can associate a libref directly with your DBMS data and use the ...