It is important to recover your lost password on the Oracle database, as not having it would hamper your productivity and block your access to the database, resulting in security issues.

Follow this step-by-step guide to install PostgreSQL, load data, connect to a database, and execute SQL queries including table joins ...

SQL Server 2005's Management Studio offers lots of new functionality, but you can't always use a GUI. Sometimes you need to run a script from the command line, especially for an upgrade or install ...