Information On Study

Hi guys, I need more info on the following courses please:
•   Network Management (CISCO).
•   Telecom Planning, Installation and Maintenance.
•   Database systems (Oracle, Sybase etc.)
•   Software Engineering (Java Technologies, .NET Technologies est.).
•   Web Sites design and development, CIW (Certified Internet Webmaster)
•   Networking, Security, and Hardware technologies (CompTia A+, and Security+
               Network+).
•   CISA (Certified Information Systems Auditor).
I would also need information on institutions in Nigeria that can offer these courses.  Please Reply