XQuery is the standard XML query language, significa t effort has
been made in developing efficient implementations of XQuery query
processor.This thesis describes a purely relational implementation
of an XQuery processor which exploits the well-known maturity and
performance acceleration techniques of the relational database
technology to translate XQuery expressions into their equivalent
SQL evaluation scripts. The generated SQL evaluation scripts can be
executed on any conventional relational database management systems
with no need for any changes in its kernel or any other special
requirements. In addition, this thesis presents a novel framework
for estimating the cardinality of XQuery expressions as well as its
sub-expressions. Although cardinality size estimation is very
important on its own, it is also very crucial for an effective
query optimization process. This thesis presents an integrated
framework for exploiting the available estimated cardinality
information to provide the RDBMS query optimizers with hints for
selecting the best alternative execution plan for the SQL
evaluation scripts of the input XQuery expression.
General
Imprint: |
Lap Lambert Academic Publishing
|
Country of origin: |
Germany |
Release date: |
June 2011 |
First published: |
June 2011 |
Authors: |
Sherif Sakr
|
Dimensions: |
229 x 152 x 12mm (L x W x T) |
Format: |
Paperback - Trade
|
Pages: |
212 |
ISBN-13: |
978-3-8443-8897-8 |
Categories: |
Books >
Computing & IT >
General theory of computing >
General
|
LSN: |
3-8443-8897-4 |
Barcode: |
9783844388978 |
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