Hp Integrity NonStop J-Series Manuel d'utilisateur télécharger pdf (Page 324)

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APPENDIX C

GLOSSARY

Access. The right of an application to open, read, or update

information in a data base file.

Access path. An established order in which an application reads

records.

Alphanumeric data. Data that consists of uppercase and lowercase

letters of the alphabet, digits, blanks, and special

characters.

Alternate key. A key field that identifies a record in a

key-sequenced, entry-sequenced, or relative file; alternate

keys need not have unique values.

APPL. A keyword that identifies the type of object that

represents an application and its attributes.

Appl attribute. A characteristic of an application.

Application. A complete sequence of machine instructions and

routines necessary to solve a problem.

Approximate mode. A positioning mode that provides record access

by a key value equal to or greater than a supplied key value.

Assignment. A convention in which an ASSIGN command is issued to

make logical file assignments for programs. A logical file

assignment equates a Tandem file name with a logical file of a

program and optionally attributes characteristics to that

file.

Attribute. A characteristic of an object.

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Hp Integrity NonStop J-Series Manuel d'utilisateur Page 324

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