Transparent

Table

table T1

f1

f2

f3

R/3 DOIĆ

Table

Definiłions

Daiabase

tables

table T1

Pooled

Tables

labie T2

table T1

table T3

table T9

Cluster

Tables

table T1 table T2 table T3

fa

fz

f1

f2

f3

fx

fz

ty

Database table has:

-    same name

-    same number ol fields

-    fields have same name as R/3 DDIC table

Many, many tables in R/3, but only one table in DDIC. Tables in R/3 may or may not have primary key fields in common

Database table has:

-    different name

-    different number of fields

-    fields have different names from R/3 DDIC table

A few tables m R-3 and one table in the database.

The tables must have at least one primary key field in cornmon. and t»*e tables are usualiy all read at the same time.