Can we rely on SQL?
ter Bekke, J.H.
Dept. of Inf. Syst., Delft Univ. of Technol.;
This paper appears in: Database and Expert Systems Applications, 1997. Proceedings., Eighth International Workshop on
Publication Date: 1-2 Sep 1997
On page(s): 378-383
Meeting Date: 09/01/1997 - 09/02/1997
Location: Toulouse, France
ISBN: 0-8186-8147-0
References Cited: 9
INSPEC Accession Number: 5710352
Digital Object Identifier: 10.1109/DEXA.1997.617316
Current Version Published: 2002-08-06
Abstract
It is important for any data language that it enables many people
to derive correct information from a databases in a simple, effective
way with predictable performance. In an analysis, is shown that SQL
cannot fulfill these essential preconditions. It is caused by
insufficient structural semantics of the relational model and the
related operations in SQL. This follows from a comparison with results
obtained from application of the semantic Xplain data language. The
consequences of these shortcomings are an extreme performance
degradation and a growing uncertainty among SQL users
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