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DB2 Tutorials
Mainframe

DB2 Tutorial

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Info This tutorial is NOT a DB2 DBA tutorial and it is not related to Database administration. This tutorial is for COBOL DB2 Programmers.

What is Relational Database?

A relational database is based on the principle of relation and relation can be anything.
For example, there can be a relation between rows and columns or there can be a relation between tables.
Relational database follows the principle of RDBMS. RDBMS is a relational database management system.

DB2 also follows this particular principle:
DB2 is a product of IBM and most of the time it runs on IBM mainframes. we use this in assembly language that is AS400 Or runs in Linux environment.

Note We can also download DB2 to the local PC and we can install it, but this tutorial primarily focuses on DB2 on IBM mainframes.

We can go to Wikipedia and see details about IBM DB2.
The Developer of DB2 is IBM. It was released in 1983 initially and it is a type of RDBMS.
For example, we have currently supported platform history and so on.
If anyone of you is interested please have a look.

WIKIPEDIA IBM DB2

In this particular link(https://www.ibm.com/analytics/us/en/db2/)
We have this particular page that is IBM DB2 databases.
Just click on this explorer solution.

IBM DB2

Here, we can understand the type of solutions they offer; they do have a free trial.
Click on that link to see what “start free trial” is.
There we can see that they have free trials and download link as well.
Just try this in your local PC.
We can download the DB2 in local PC. This tutorial is all about DB2 on IBM mainframe.

What will you learn​ in this DB2 Tutorial

  • You will learn to Create and Execute.
  • COBOL DB2 Programs with Ease.
  • Master the concepts of Cursor.
  • Develop and Design their own tables using DDL operations on Mainframe.
  • Students will be able to perform all DML operations like INSERT, UPDATE, DELETE and SELECT on a table.
  • Maximize the knowledge on SQL operations.
  • Students will be trained to create Indexes and Keys.
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Topics covered in this Tutorial

  • This tutorial Covers DB2 operations on COBOL programs for Mainframe Developers.
  • Students will learn how to execute a COBOL DB2 Program.
  • The concept of DB2 cursors we have mention in detail.
  • Major DDL and DML operations are illustrated with lots of examples.
  • The concept of Keys and Indexes are covered with examples.

Target audience​

  • We must know basic TSO/ISPF commands. Basic knowledge of COBOL is aqlso require.
  • This tutorial is for Developers who work on IBM Mainframe.
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