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keep character
- when modifying a record in DATADEX, the character you type to leave
the leading bytes of a character field unchanged so that you can modify
the trailing bytes.
key
- a field, or column, that is used to select records from a data set,
providing fast access to rows. Keys are typically indexed, uniquely
identify parent rows, and provide a correlation for joining tables and
maintaining data integrity across tables. See also Native keys and OMNIDEX
indexes.
key options
- enhancements to OMNIDEX keys that are specified during installation
to enable certain retrieval features (like Grouping) or update features
(like Batch indexing).
keyed retrieval
- retrieval by an OMNIDEX or TurboIMAGE key field.
keyword
- A word or number that is indexed for an MDK Index
- An individual word or value in an MDK Index column delimited by spaces
and punctuation. For example, if an MDK Index column contains "Kraft-Ebbing's
Bait and Tackle" the words "KRAFT", "EBBING",
"EBBING'S", "BAIT", and "TACKLE" are indexed
as keywords.
keyword access
- the ability to find rows based on the words contained in a given field,
regardless of the order in which the words appear. This is a primary
feature of OMNIDEX indexes.
keyword indexes
- indexes composed of a word or words from a specified field in a database
row. Renamed to MDK Indexes.
keyword lookup
- to look up data by words embedded within strings of text.
keyword retrieval
- refers to an OMNIDEX retrieval of record identifiers by any keyword
value or combination of keyword values against an MDK Index.
keyword-only retrieval
- an OMNIDEX retrieval that fetches only keyword values from the indexes.
Through OmniAccess, you would call oaqualify with the KEYWD option,
and then call oafetchkeys.
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