slovodefinícia
codasyl
(foldoc)
Conference On DAta SYstems Languages
CODASYL

(CODASYL) A consortium that developed
database models and standard database extensions for
COBOL.

CODASYL was formed in 1959 to guide the development of a
standard programming language that could be used on many
computers. Members came from industry and government {data
processing} departments. Its goal was to promote more
effective data systems analysis, design and implementation.
It published specifications for various languages over the
years, handing these over to official standards bodies (ISO,
ANSI or their predecessors) for formal standardisation.

The 1965 List Processing Task Force worked on the IDS/I database
extension. It later renamed itself to the Data Base Task Group
(DBTG) and publishing the Codasyl Data Model, the first to allow
one-to-many relations. This work also introduced {data
definition languages} (DDLs) to define the database schema and a
data manipulation language (DML) to be embedded in COBOL
programs to request and update data in the database.

Interest in CODASYL declined with the rise of {relational
databases} beginning in the early 1980s.

(2013-12-29)
podobné slovodefinícia
codasyl
(foldoc)
Conference On DAta SYstems Languages
CODASYL

(CODASYL) A consortium that developed
database models and standard database extensions for
COBOL.

CODASYL was formed in 1959 to guide the development of a
standard programming language that could be used on many
computers. Members came from industry and government {data
processing} departments. Its goal was to promote more
effective data systems analysis, design and implementation.
It published specifications for various languages over the
years, handing these over to official standards bodies (ISO,
ANSI or their predecessors) for formal standardisation.

The 1965 List Processing Task Force worked on the IDS/I database
extension. It later renamed itself to the Data Base Task Group
(DBTG) and publishing the Codasyl Data Model, the first to allow
one-to-many relations. This work also introduced {data
definition languages} (DDLs) to define the database schema and a
data manipulation language (DML) to be embedded in COBOL
programs to request and update data in the database.

Interest in CODASYL declined with the rise of {relational
databases} beginning in the early 1980s.

(2013-12-29)

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