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Data Definition Language

GIS Data ConversionData Dictionary

data definition language
[programming] A set of SQL statements that can be used either interactively or within a programming language to create a new database, set permissions on it, and define its attributes.

 


Data definition language (DDL) - The language used in database management systems (DBMS) to set up databases. It allows the database administrator to define the components of the database using commands such as CREATE, DROP, ALTER and REVOKE.

Data Definition Language
DDM
Documents Data Miner; Digital Distance Model; Dynamic Digital Map ...

The Data Definition Language (DDL) manages table and index structure. The most basic items of DDL are the CREATE, ALTER, RENAME, DROP and TRUNCATE statements: ...

DDLData definition language. SQL statements that can be used either interactively or within programming language source code to define databases and their components.
DEMSee digital elevation model.

The SAIF uses an object-oriented data model which should be realized by the data definition language, named SAIFtalk.

See also: Record, Server, Model, Information, Database

GIS Data ConversionData Dictionary

 
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