What indexes are created when we check dimension as line item.

What indexes are created when we check dimension as line item.
and also What indexes are created when we check dimension as high cardinality.
Where can i see that information in the system.
Answers are highly appreciated.
Regards
Kunal

Hi,
Line item means it does not have any dimension table.
High Cardinality means that the dimension is to have a large number of instances (that is, a high cardinality). Also, it is very important to indentify the line item dimension properly. E.g. Sales Order number, this will have the exact number of entries as the fact table entries. Hence, this can be created as a line item dimension. If you are not sure of high cardinality never select that. Activate this function when the dimension has is at least 10%- 20% the size of the fact table (in terms of the number of records). <b>In this case, B tree indices are created instead of bitmap indices.</b>. By default it is BITMAP but with high cardinality it is B-Tree indexing.
Hope this helps.
PB

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1. Line item: This means the dimension contains precisely one characteristic. This means that the system does not create a dimension table. Instead, the SID table of the characteristic takes on the role of dimension table. Removing the dimension table has the following advantages:
¡ When loading transaction data, no IDs are generated for the entries in the dimension table. This number range operation can compromise performance precisely in the case where a degenerated dimension is involved.
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Nevertheless, it also has a disadvantage: A dimension marked as a line item cannot subsequently include additional characteristics. This is only possible with normal dimensions.
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What indexes are created when we check dimension as line item.

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