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Sunday, June 17 • 13:00 - 17:00
Creating and Consuming JSON with SQL

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Abstract: JSON (Java Script Online Notation) is a data exchange format like XML, however JSON is simpler, less verbose and can be faster parsed than XML. In this way JSON becomes more and more important especially when data is exchanged by RESTful web services. The use of XML declines in favor of JSON. With Release 7.3 TR 3 a bunch of scalar and aggregate functions were integrated into SQL, for generating JSON objects, arrays and for combining JSON components into complete documents. The JSON_TABLE tables function for consuming JSON data was already introduced with Release 7.3 TR 1. With the JSON_TABLE table function JSON documents can be parsed, converted into a relational representation and data picked specifically out. Additional scalar functions allow SQL to directly access JSON documents located within the IFS (Integrated File System) or in source physical file members. Last but not least IBM provides SQL http-functions for getting access to web services. In composition with the JSON_TABLE function the JSON answers returned by web services can be consumed within a SELECT-Statement.Learning Objectives:Get an introduction into JSON basics. Learn how JSON object and arrays can be generated, concatenated or nested and composed into JSON documents. Discover how JSON documents located in either the IFS or a column of a table or JSON answers returned by web services can be parsed with the JSON_TABLE table function, converted into a relational representation and data specifically selected. You"ll also get an overview over the new http-functions and how to use them for getting access to web services.

avatar for Birgitta Hauser

Birgitta Hauser

Database and Software Architect
Application Modernization, Database Modernization, EducationSQL Queries, Database Design,SQL Programming, User Defined Functions and Table Functions,Journaling and Commitment Control,SQL Performance and Performance AnalysisRPG Free Format, ILE Concepts, Modular Programming, Data IntoXML... Read More →

Sunday June 17, 2018 13:00 - 17:00 CEST
Orchidea B

Attendees (3)