V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):
DDL
       Data Definition Language
V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):
DDL
       Document Description Language
The Free On-line Dictionary of Computing (30 December 2018):
DDL
   1. ["A Digital System Design Language (DDL)", J.R. Duley, IEEE
   Trans on Computers c-17(9), pp. 850-861, Sep 1968].
   2.  An adventure language developed by
   M. Urban, C. Kostanick et al of the UCLA Computer Club.  DDL
   was the forerunner of ADL.
   3. Data Definition Language.
   4. Document Description Language.
   5. Dynamic Data Exchange.  (Originally "Linking").
   (1997-06-05)