XDB

XDB may refer to:

Software

 * xBase (xDB) - a family of database management systems and related programming languages
 * Xbase (formerly known as XDB) - a software library from the xBase family
 * XDB Enterprise Server - a historical product from the xBase family
 * Oracle XML DB - an Oracle Database feature
 * EMC Documentum xDB - a native XML database

Other

 * Gare de Lille Europe (XDB IATA code) - a railway station and an international airport in Lille, France.