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NAME

qchange - Change an existing record in a QDDB database.

SYNOPSIS

qchange RelationDirectory

DESCRIPTION

qchange attempts to change an existing tuple in the QDDB database contained in the directory RelationDirectory. qchange is intended only for use by TCL/TK scripts and reads the changed entry via standard input (stdin).

INTERFACING WITH TCL

qchange accepts records from standard input (stdin) in the following format (following the Schema described in the query(1) manual page):

Author,1 Eric H. Herrin II
Author,2 Raphael A. Finkel
Title,1 An ASCII Database for Fast Queries of Relatively Stable Data Description,1 This is a description with a backslashed newline \ in it. Each newline must be backslashed. Borrower.Name,1.1 Joe Moses
Borrower.Phone,1.1 (606) 222-5555
Borrower.Name,2.1 Jane Sword
Borrower.Phone,2.1 (578) 432-1234
Borrower.Phone,2.2 (578) 432-3232

SEE ALSO

qadd(1), qedit(1)

BUGS

None known.

REFERENCES

A Guide to QDDB
Eric H. Herrin II and Raphael A. Finkel

Qddb User's Guide

An ASCII Database for Fast Queries of Relatively Stable Data Eric H. Herrin II and Raphael A. Finkel Computing Systems, Volume 4 Number 2
University of California Press, Berkeley CA

Schema and Tuple Trees: An Intuitive Structure for Representing Relational Data
Eric H. Herrin, II and Raphael A. Finkel Computing Systems, Volume 9, Number 2
MIT Press, Cambridge MA


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