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NAME

qstab - Rebuild the qddb Database file contained in RelationDirectory.

SYNOPSIS

qstab RelationDirectory

DESCRIPTION

This program is the first part of the procedure necessary to stabilize a qddb database. Given a RelationDirectory with an existing Database file, Changes and Additions directories, and a Database.keys file, qstab(1) merges all changes and additions into the stable database (file Database).

SEE ALSO

qkeys(1), qindex(1)

DIAGNOSTICS

qstab exits with a 0 status on success, 1 otherwise.

BUGS

Database.keys MUST describe the current state of the Database file. In other words, this program will not work if the Database file is modified without updating the file Database.keys.

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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