Course Description
You can learn the abilities needed to write application programmes that manipulate DB2 databases in this course.
Prerequisites
You should already have experience with one of the supported programming languages, COBOL or PL/I for z/OS. You are also expected to already be able to construct and use SQL statements.
Target Audience
Application programmers who need to create embedded SQL programmes in COBOL or PL/I (on z/OS) should take this intermediate course.
Learning Objectives
- Incorporating static SQL statements in an application program
- Preparing the program for executionValidate execution results are correct
- Producing code to support multiple rows being returned from the database manager using cursors
- Identifying considerations regarding units of work, concurrency, and restart of programs
- Identifying differences between static and dynamic SQL
- Providing test data for applications Discuss program and DB2 options relative to performance of static SQL
FAQs
IBM created the Db2 family of data management tools, which includes database servers. Although it was originally designed to serve the relational model, it has now been expanded to include object-relational functionality as well as non-relational structures like JSON and XML.
You can realize the benefits of using Db2 Multisystem in several ways:
Query performance can be improved by running in parallel (pieces of the query are run simultaneously on different systems).
The need for data replication decreases because all of the systems can access all of the data.
Much larger database files can be accommodated.
Applications are no longer concerned with the location of remote data.
When growth is needed, you can redistribute the file across more systems, and applications can run unchanged on the new systems
In October 2000, IBM released z/OS, a 64-bit operating system for mainframes using the z/Architecture architecture. [2] It is a descendant of OS/390, which was preceded by a series of MVS versions, and it is OS/390's successor. [NB 1] The z/OS operating system, like OS/390, integrates a variety of formerly distinct, related products, which some are still optional. Because z/OS is built for backward compatibility, it incorporates many of the features of more recent operating systems while also keeping much of the older functionality that dates back to the 1960s and is still in use today.
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