Understanding the MDQ XML format

The database/query (MDQ) file is a configuration file that is used by IBM Transformation Extender when accessing databases using database adapters. Some of the information contained within an MDQ file could include the following:

  • database logical names (to distinguish among settings for the databases defined in this file)
  • database adapter types
  • database connection parameters
  • user names and passwords
  • information about tables
  • queries and stored procedures accessed by the adapters
  • primary keys for the tables (used for the database updates)
  • event trigger information for the Launcher