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 ...

Typical speed camera traps have built-in OCR software that is used to recognize license plates. A clever hacker decided to see if he could defeat the system by using ...

On byte 0x08 the SQL Server crashed again and I disassembled the code to work out what was going on. In this particular case a call to the strtok() C function was made looking for a colon ...

Its key features include an SQL editor that allows code completion, syntax highlighting, data, and schema migration capabilities. Moreover, it allows the users to create ER diagrams if there’s a ...

Analyze database contents using basic, intermediate and advanced SQL statement syntax and usage. Demonstrate capability to query data from multiple tables using SQL JOINS. Create and modify database ...

These relational databases expanded how companies could store and manage their data, but SQL made it possible to interact with that data in ways that matched their business processes. For example ...