Developing
Time-Oriented
Database
Applications
in SQL

Richard T. Snodgrass

BITEMPORAL TABLES


Contents

Implementation Details

Bitemporal Tables

Modifications

Current Modification
Sequenced Modification
Nonsequenced Modification

Queries

Timeslice Querie
The Spectrum of Bitemporal Queries
Multi-table queries involving bitemporal tables

Integrity Constraints

Temporal Partitioning

VT Current/TT Current + Bitemporal State
VT State/TT Current + State/State Archive
VT State/TT Current + State/Event Archive

Vacuuming

 

Implementation Details

Oracle8 Server

 

Bitemporal Tables

Oracle8 Server

 

Modifications

Oracle8 Server

 

Queries

Oracle8 Server

 

Integrity Constraints

Oracle8 Server

 

Temporal Partitioning

Oracle8 Server

 

Vacuuming

Oracle8 Server

Code Credits

Scott I Calvert, Department of Computer Science, University of Arizona (calverts@CS.Arizona.EDU)

Html Credits

Jian Yang, Department of Computer Science, University of Arizona (yangjian@cs.arizona.edu)
May 25, 1999 (Last Update)