Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. We may earn from vendors via affiliate links or sponsorships. This ...

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 about as easy as it gets in the world of programming, and yet its learning curve is still steep enough to prevent many people from interacting with relational databases. Salesforce’s AI ...

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Some of you may remember at the end of last year I said I would be keeping my eye on a company called SQL Farms. Today I have my first update on their progress. They've got an editor that has tons of ...