Table B (File architecture): Difference between revisions

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=== Definition ===
=== Definition ===
<p>As discussed below, [[Bit Maps (File Architecture)|bit maps]] are used


=== Importance of and Use ===
=== Importance of and Use ===

Revision as of 04:53, 5 April 2013

At a minimum, Table B contains all of the base records in a Model 204 file. If Table X is not enabled it also contains all extension records. If Table E is not enabled, then any data whose contents is greater than 255 bytes must be held as a series of repeating fields.


The structure of a Table B page

Table B Segments

Definition

As discussed below, bit maps are used

Importance of and Use

INCREASE command boundaries

Use in Indexing

See also

Adding Records