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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 ...

Overview: Text-to-SQL simplifies queries but can misinterpret data structures and phrases.Ensuring up-to-date schema info and providing examples improves accura ...

One of the most common problems when running SQL Servers is slow queries. The help desk or database team usually hears that described as the application is slow or ...

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.

SQL Server 2016 lets you treat JSON objects like rows in a table, allowing you to use data from AJAX queries in joins, updates and any other SQL statement you can think of. SQL Server 2016 provides ...

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 ...

Whether you’re just getting in to programming or you’ve avoided learning SQL, it’s something every developer faces eventually. You may not be responsible for building and maintaining a database, but ...

RIGHT JOIN (or RIGHT OUTER JOIN): It’s the opposite of a LEFT JOIN. It keeps all rows from the right table and matches from the left. Less common than LEFT JOIN, but good to know it exists.

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 ...