How SAP Database Looks Like?
As mentioned earlier database is tabular format, so it is a table with many column fields and rows.
Below is sample screen shot
Because of screen constraint here can not see all columns.

Where to see Data table in SAP?
TCode (Transaction Code) is SE16 ,
You will see below screen

For example here Table MBEW (Material Master Table) selected. (You will also get to know how to find table names)

To Change Field Name ‘MATNR’ to Field Label ‘Material’ go to:

Settings >> User Parameters
You will get below screen in this Data Browser >> Keyword >> Select Field Label

Keyword >> Field Label

You will find New View with Field Label.
