Chapter 01_Overview of ABAP Dictionary
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Chapter 01_Overview of ABAP Dictionary
Transcript of Chapter 01_Overview of ABAP Dictionary
IBM Global Business Services
© IBM Corporation 2013Overview of the ABAP Dictionary | Dec-2008
Overview of ABAP Dictionary
IBM Global Business Services
© IBM Corporation 20132 Dec-2008Overview of the ABAP Dictionary |
Objectives
The participants will be able to: Define the ABAP dictionary
Describe the functions of the ABAP Dictionary
Describe the basic objects of the ABAP Dictionary
Explain how the Database Utility interfaces with the ABAP Dictionary and the underlying database
IBM Global Business Services
© IBM Corporation 20133 Dec-2008Overview of the ABAP Dictionary |
What is a Data Dictionary?
DataDictionary
A data dictionary is a centralized storage location for information about the data that is stored in a database.
IBM Global Business Services
© IBM Corporation 20134 Dec-2008Overview of the ABAP Dictionary |
No Redundant Data Definitions
Integration with the ABAPWorkbench
DataDictionary
Data Integrity
Functions of the ABAP Dictionary
IBM Global Business Services
© IBM Corporation 20135 Dec-2008Overview of the ABAP Dictionary |
Data Integrity
Ensuring that data entered into the system is logical, complete, and consistent.
IBM Global Business Services
© IBM Corporation 20136 Dec-2008Overview of the ABAP Dictionary |
No Redundant Data Definitions
Linking similar information to the same data definition.
IBM Global Business Services
© IBM Corporation 20137 Dec-2008Overview of the ABAP Dictionary |
Integration with the ABAP Workbench
DataDictionary
Automatic recognition of the names and characteristics of dictionary objects by the ABAP programs
Easy navigation between development objects and dictionary definitions
IBM Global Business Services
© IBM Corporation 20138 Dec-2008Overview of the ABAP Dictionary |
DomainDomainDomainDomain
Table CTable BTable A
Data Element 2Data Element 2Data Element 1Data Element 1
Tables store the information that is in the database Data elements and domains are used to describe the characteristics of fields.
Basic Objects of the ABAP Dictionary
IBM Global Business Services
© IBM Corporation 20139 Dec-2008Overview of the ABAP Dictionary |
Database Utility
DataDictionary
DatabaseUtility
DatabaseDatabase
The database utility provides the interface between the ABAP Dictionary and the underlying database management system (DBMS).
IBM Global Business Services
© IBM Corporation 201310 Dec-2008Overview of the ABAP Dictionary |
Demonstration
Execution of transaction SE11 and observation of the various data dictionary objects.
IBM Global Business Services
© IBM Corporation 201311 Dec-2008Overview of the ABAP Dictionary |
Practice
Execution of transaction SE11 and observation of the various data dictionary objects.
IBM Global Business Services
© IBM Corporation 201312 Dec-2008Overview of the ABAP Dictionary |
Summary
SAP’s data dictionary is called the ABAP Dictionary.
The ABAP Dictionary enforces data integrity, manages data definitions without redundancy and is tightly integrated with the rest of the ABAP Workbench
The basic objects of the ABAP Dictionary are tables, data elementsand domains.
The database utility provides the interface between the ABAP Dictionary and the underlying database management system (DBMS).
IBM Global Business Services
© IBM Corporation 201313 Dec-2008Overview of the ABAP Dictionary |
Questions
What are the functions of the ABAP Dictionary ?
What are the basic objects of the ABAP Dictionary ?
What is the database utility ?
