How does cardinality impact the result of CDS?
Chapters:
0:00 Intro and Cardinality basics
2:38 Rules for cardinality
7:18 Cardinality impact on join creation (NO field from the right table)
17:59 Cardinality impact on join creation (With aggregation)
#cds #cardinality #abap #sapabap
Cardinality left outer join :-
• Cardinality left outer...
Cardinality [ min .. max]
An asterisk * for max means any number of rows.
min can be omitted (set to 0 if omitted). [ 1] = [ 0..1], [*]= [0..*]
min cannot be *.
The default value of cardinality [ min..1]
How to join will be converted to LOJ:-
[0..1] or [1..1] = left outer join to ONE
[0..*] or [1..*] or any other = left outer join TO MANY or simple left outer join
Негізгі бет Ғылым және технология Cardinality in CDS view PART 10 ABAP on HANA Course
Пікірлер: 25