Key Spec: Difference between revisions

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===Key Spec Syntax===
===Key Spec Syntax===
[[Image:Keyspec.png|700px]]
{{:Key Spec}}
 
This syntax can be inserted where 'key-spec' is specified in a statement's main syntax. Key Spec indicates the starting positions and lengths of up to six different key sections in a record. This parameter can be used only when the program is to create a new master file and a new index file. It is not necessary for the key sections to be adjacent to one another, but they may not exceed a combined length of more than 128 bytes.
 
Within the key-spec syntax, the "KPS=" keyword may be followed by up to six "starting pos" specifications, each of which identifies the starting position of a key section; multiple specifications are separated by a forward slash. The "KLN=" keyword must be followed by the "length" parameter, which identifies the lengths of each of the key sections which were specified by the "starting pos" parameter.
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Revision as of 16:31, 5 May 2014

The "key-spec" parameter indicates that the starting key positions and key lengths for up to six sections of a record are to be inserted at this point in the syntax. The following syntax can be inserted wherever the "key-spec" parameter appears in a diagram:

Key Spec Syntax

The "key-spec" parameter indicates that the starting key positions and key lengths for up to six sections of a record are to be inserted at this point in the syntax. The following syntax can be inserted wherever the "key-spec" parameter appears in a diagram:

Key Spec Syntax

Template loop detected: Key Spec

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