SAP ITAB KEY SECONDARY DUPLICATES
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Duplicate Non-Unique Keys
Non-unique table keys can produce duplicate rows with respect to these keys. This section describes the order of these duplicates when data is inserted into table with non-unique sorted table keys. This order is ignored with respect to non-unique primary keys in standard tables.
Single Record Operations
When individual rows are inserted where the insert position is determined using a table key, that is in the case of
the order of the duplicates with respect to the table key of the target table is determined in accordance with the insert order of the individual rows. The duplicate row last inserted into the table is sorted before all other duplicates.
Block Operations
For block operations such as an
Special Features
Some operations have the characteristics of block operations but are executed internally as sequences of single record operations. In this case, the original order of duplicates with respect to a sorted key in the target table is not retained. This is the case for the following operations: