Database performance is rarely a single "fix it and forget it" task. SQL Server workloads shift over time. A sluggish database drags down applications, ...

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. Database engines like SQL Server are incredibly complex ...

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 ...

Out of all the programming languages you need to learn in the IT industry, SQL is one of the most important. SQL is so integral to modern big data access and organization processes that it’s never a ...

PostgreSQL ORDER BY, LIMIT, and OFFSET make it easier to organize and control query results, with ORDER BY being especially ...

Microsoft's MSSQL extension v1.45 previews a configurable T-SQL formatter while two existing features reach GA.

Every day, businesses depend on data to operate. Customer orders, quotes for new business, conversations around products, campaigns for marketing—pretty much every business process today is based on ...

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Here's a look at different ways to query Hadoop via SQL, some of which are part of the latest edition of MapR's Hadoop distribution SQL: old and busted. Hadoop: new hotness. That’s the conventional ...