Articles on Temporal Databases appearing in Database Programming and Design

The collected columns (June, 1998 - October, 1998) are available in a single document in postscript, as a PDF file, and as a text file.

Code Samples

These are from a five-part special series written by Richard Snodgrass that appeared in Database Programming and Design.

June 1998 issue: Of Duplicates and Septuplets


July 1998 issue: Querying Valid-time State Tables


August 1998 issue: Modifying Valid-time State Tables


September 1998 issue: Transaction-Time State Tables


October 1998 issue: Temporal Support in Standard SQL

DBPD Online Code Samples

The special series continued as a column in DBPD Online.

October 1998 issue: Temporal Referential Integrity


November 1998 issue: Temporal Coalescing


December 1998 issue: Modifying Time-Varying Tables


January 1999 issue: Current Modifications of Time-Varying Tables


February 1999 issue: Sequenced Modifications

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Last updated April 21, 1999
Richard Snodgrass (rts@cs.arizona.edu)