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  Tutorial: Java Miscellaneous Web Services for DB2 Cube Views Tutorial

Web Services for DB2 Cube Views provide access to multidimensional data stored in DB2. These Web services allow a client application to read data from the cubes and perform basic online analysis on multidimensional data and metadata through the Web, using

Tutorial Details:

Java Miscellaneous Web Services for DB2 Cube Views Tutorial
What is Web Services for DB2 Cube Views?
Web Services for DB2 Cube Views provide access to multidimensional data stored in DB2. These Web services allow a client application to read data from the cubes and perform basic online analysis on multidimensional data and metadata through the Web, using XPath and XML.

Definitions of OLAP cubes in DB2 can be maintained by the new product DB2 Cube Views . A short introduction of DB2 as a server for OLAP cubes is available in the DB2magazine article "The OLAP-Aware Database."

How does it work?
OLAP applications working on top of relational data must generate multipass SQL statements and then do further processing on rows returned. Web Services for DB2 Cube Views is an all-XML solution for querying OLAP metadata and data. It uses IBM DB2 Cube Views to retrieve OLAP metadata. Application queries are based on XPath. These are parsed by Web Services for DB2 Cube Views to generate SQL queries. Then the data is returned in XML format. The client application interacts with Web Services for DB2 Cube Views by the mean of three methods:
Describe(): Allows a client to query OLAP metadata stored in DB2 Cube Views using XPath.
Members(): Allows a client to query reference data (members) using XPath.
Execute(): Allows a client to perform basic OLAP "slice-and-dice" queries using XPath.


 

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