Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement.

A SQL database is a high-level container containing one or more tables. The database can be a continuously-running server that receives requests and returns responses (MySQL, PostgreSQL) or it can be ...

Continuing the company's shift to openness and interoperability, Microsoft yesterday released an updated PHP driver for SQL Server.

If your eyes glazed over at the recent announcement of an “SQL injection” vulnerability in WordPress, take heart. You’re not alone.

A SQL injection vulnerability was found in the '/admin/delete_s8.php' file of the 'Exam Form Submission' project. The reason for this issue is that attackers inject malicious code from the parameter ...

The DICTIONARY tables component is specified in the FROM clause of a SELECT statement. DICTIONARY is a reserved libref for use only in PROC SQL. Data from DICTIONARY tables are generated at run time.

Transact SQL, or T-SQL, provides you with the language to create the dynamic code. It retrieves data from a database and adds data into your server's tables.