Your browser does not support the audio element. There are a large number of utilities for generating test data. But in some cases, you may wish to generate this data ...

The beauty and joy of a relational database is the concept of relational closure—everything is a table. Beyond the eponymous table, query results are also “tables.” Any query serves as a table to be ...

Community driven content discussing all aspects of software development from DevOps to design patterns. Once you’ve installed SQLite, you’ll probably want to learn how to maneuver around the ...

Dynamic SQL lets you create a query string based off of user input. SQL Server allows you to create dynamic SQL statements. The statements use a SQL string varchar data type, then you execute the ...

SQL (Structured Query Language) is a powerful programming language that allows you to interact with databases and perform various operations such as creating, querying, updating, and deleting data. In ...

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 ...

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 ...

This tutorial walks you through the steps to select data in a table from a MySQL database using PHP in XAMPP stack. Alternatively, you can use the LAMP or LEMP stacks which provide both PHP and MySQL.

Do you want to find out how to avoid duplicates in the results of a SQL SELECT query? This article will show you how. Simply use the DISTINCT clause and between the SELECT clause and the fields.