Answer Posted / anuradha

Mainly while reading data from internal tables we will use binary search.And before using binary search in reading table we need to sort the internal table.And this is one of performance technique.

Indexes also used to increase the performance.
Two types of indexes
1.Primary Indexes 2.Secondary Indexes
1.Primary key in table will act as a primary Index.
2.Secondary Indexes can be created from table level.
Table->menu->Goto->indexes.

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