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    Introduction

    ERP SAP is written everything in the form of ABAP. SAP ABAP is a high-level programming language used in the SAP system for development and customizing according to the company’s needs.

    SAP Advanced Business Application Programming (ABAP) language development procedure step by step.

    SAP ABAP is one of the important programming modules in SAP. It is a 4th generation programming language (ABAP/4) developed in the 1980s. SAP ABAP (Advanced Business Application Programming) is used to develop the SAP R/3 system where the application programs are written in the ABAP language.

    SAP R/3 system is divided into two types of modules, i.e., functional modules and technical modules; all functional modules are written in the form of ABAP language. SAP system provides various predefined reports and interfaces, but we can create customized reports and interfaces per business requirements.

    ABAP Dictionary is one the best tool of ABAP workbench and it is a central repository for data definitions in SAP system. It is used to store the data definitions, create and maintain user defined types.

    ABAP Dictionary provides various tools to edit the SAP screen fields like assigning a field to input help (f4).

    ABAP dictionary is a central storage area for the description where we can create the objects and changing, deleting the objects related to data base. The main object type of ABAP dictionary are-

    1. Database tables
    2. View
    3. Data types
    4. Type groups
    5. Help
    6. Domains and
    7. Lock objects.
    Database tables: –

    It helps in create and maintain the tables, table should begin with letter Y or Z and length up to 16 characters.

    View: –

    It act as virtual table and helps in retrieve the data.

    Data type: –

    It helps in creating the user defined data elements, structure and tables.

    Type group: –

    It creates the data group types in dictionary

    Search help: –

    It defines the search help (F4) for the fields of database table and helps in providing the values for a user search queries

    Domains: –

    Domain specifies the technical characters of a field such as data type field and length.

    Lock objects: –

    It is used to synchronize the same data by one user or multiple users. SAP provides three types of lock objects- Read lock, write lock, enhanced lock.

    ABAP Dictionary used for
    • Design and Maintain database objects.
    • Development of ABAP Program.
    How to start ABAP Dictionary screen

    We open ABAP Dictionary working area by two methods

    Enter transaction code “SE11” in SAP command field and press enter.

    SAP Menu Path: –

    SAP Menu >>> Tools >>> ABAP Workbench >> Development >> ABAP Dictionary.


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