Database (DBMS)

• SQL
  SQL - Structured Query Language: concepts, tutorials and references.
• Information on Databases
  Resources, Organizations, Books. DataBase Management Systems (DBMS). SQL & DBMS Utilities. Application Programming Interfaces (APIs).
• Compare
  Comparisons among relational database servers.
• Oracle
  SGBD Oracle Server. Information and Resources. Utilities.
• Other Commercial DBMS's
  Microsoft SQL Server, Microsoft Access, Informix, Sybase.
• Free DBMS: Open Source & Freeware
  MySQL, PostgreSQL, Mini SQL (mSQL), Beagle SQL, among others.
• Data Warehouse
  Data Warehouse (DW), Data Mart, OLAP - Online Analytical Processing, ETL - Extract Transform Load, Data Mining, Business Intelligence (BI).