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Data definition language
<language, database> (DDL)
1. A language enabling the structure and instances of a
database to be defined in a human-, and machine-readable
form.
SQL contains DDL commands that can be used either
interactively, or within programming language source code,
to define databases and their components, e.g. CREATE and
DROP.
See also Data manipulation language (DML).
2. A specification language for databases, based on the
entity-relationship model. It is used in the Eli
compiler-compiler to manage type definitions.
["DDL Reference Manual", ECE Dept U Colorado, 1991].
(1999-04-26)
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Nearby terms:
data communications analyst « Data Communications Equipment « data compression « Data definition language » data dictionary » data dictionary file » data driven
This article was derived from the Free Online Dictionary of Computers and is available under ther terms of the GNU Free Documentation License.
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