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data dictionary

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data dictionary

In computing, a file that holds data about data - for example, lists of files, number of records in each file, and types of fields. Data dictionaries are used by database software to enable access to the data; they are not normally accessible to the user.


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The Data Dictionary includes descriptions of the individual variables.
It examines Oracle's data dictionary and automatically generates the Java source code needed by Web Service applications that use PL/SQL procedures and SQL statements to access Oracle databases.
The semantic units will be represented in a data dictionary and in a METS-compatible XML schema.
 
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