(
COnference on
DAta
SYstems
Languages) An organization founded in 1959 by the U.S. Department of Defense. CODASYL evolved into a variety of volunteer committees and ultimately disbanded by the mid-1990s. CODASYL was widely known for its definition of COBOL, but it was also involved with the network database model and the data description language (DDL) for defining database schemas. See
FLOW-MATIC and
DDL.