Google’s Robby Stein shares new details about the query fan-out technique in AI Mode, explaining how Google generates and executes its own queries. Google’s query fan-out technique issues multiple ...

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 ...

SQL is a convenient way to manage and query your data, but badly written queries can tie up your database. Here are seven common SQL traps and how to avoid them. Database developers have it tough.

Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. It’s sometimes difficult to know which SQL syntax to use when ...

Part of the SQL Server 2022 blog series. Query Store is one of the most powerful database-scoped features in SQL Server for troubleshooting performance and improving the stability of your database ...

Part of the SQL Server 2022 blog series. Query Store is one of the most powerful database-scoped features in SQL Server for troubleshooting performance and improving the stability of your database ...

Both IS NULL and IS NOT NULL get translated to the latter form as this maps nicely to the exists query. However for scripting this ends up with double methods which is inconvenient as it's a negation ...