An update to the cardinality estimator feature in SQL Server 2022 will be one of the biggest changes to the database engine since its inception.

Even if generative AI hides SQL behind the curtain, it will continue to play a critical role in how we interact with and use data.

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.

Do you ever find yourself juggling queries to get the information you need? Subselects, also called subqueries, may be just what you’ve been looking for. This SQL feature allows you to query ...

The open source project lets developers and data pros to use its Semantic Kernel SDK to experiment and test the abilities of LLMs to generate SQL queries based on natural language expressions.

Any query serves as a table to be queried by any other query, which is why queries may be nested almost infinitely within queries. Anyone who has seen a ten- or twenty-page SQL SELECT statement can ...

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 ...