SAP ABAP Dictionary Concepts

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SAP ABAP Dictionary Concepts
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What do you mean by Data Dictionary?

• A data dictionary can be seen as an independent
  surface for a database
• In other words, a data dictionary can also be
  defined as a virtual directory containing data
  about data
• Moreover, a data dictionary also consists of
  tools that lets you perform tasks, such as data
  manipulation and data processing
• Also referred to as DDIC or ABAP Dictionary

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ABAP Dictionary
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ABAP Dictionary Functionality
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ABAP Dictionary Objects

• Domains
• Tables
• Views
• Type Groups
• Lock Objects
• Search Help
• Data Types

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Table Types in SAP ABAP
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Elementary ABAP Dictionary Data Types
Type Name
C Text (Character)
N Numeric Text
D Date (DDMMYYYY)
T Time (HHMMSS)
X Hexadecimal
I Integer
P Packed Number
F Floating Point Number
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ABAP Dictionary Data Element

• Elements provide descriptions of the table fields
• Pre-defined data elements
• LIFNR
• KUNNR
• MATNR
• CLNT

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System Fields

• All system data is stored in the system table
  named as syst
• The syst table comprises of following fields
• Sy-datum System date
• Sy-langu System language
• Sy-subrc System check
• Sy-uzeit System time

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