DATA DICTIONARY part1

DATA DICTIONARY:-

nDATA DICTIONARY

nDATABASE TABLES

nTECHNICAL SETTINGS

nOPERATIONS ON TABLES

nSTRUCTURES

nDOMAINS

nDATA ELEMENT

nSEARCH HELP

nVIEWS

nLOCK OBJECTS

nINTERNAL TABLE

nFIELD SYMBOLS

What is DATA DICTIONARY?

It is a system independent interface to the database.It is a virtual database(data about data).

it provides data for data manipulation and data for data processing. And it is also called 

DDIC and ABAP dictionary. 

https://www.youtube.com/channel/UCq55W5Hi-Cs8U4O590q6e0Q

FUNCTIONS OF ABAP DICTIONARY

Initial Screen of ABAP DDIC.

DATABASE TABLE?

Types of Keys.

nUnique key

nPrimary key

nForeign key