Answer / abani kanta sahoo

In binary search, the total records are divided in to two
parts. First It will search the particular record in first half and then in second half. Indexs are used to get the data very fast.

Primary indexes are crated during the creation of table it's come by default but secondary indexes are created by user with the fields from the corresponding table according to need.

Table->menu->Goto->indexes

Answer / 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.

Answer / malli.gontla

In binary search, the total records are divided in to two
parts. It will search the particular record in first half
and then in second half. Binary means, dividing in two
parts.

Indexs are used to get the data very fast.
Indexs are 2 types, primary and secondary.

Primary indexes are crated during the creation of table. By
defaultly primary indexes are created. But secondary
indexes are created by used according to user need.

say in selection screeen (ie is in select-options) i have selected record range from 1000 to 2000 but in the final display list i sholud not get 1200 to 1300 records it should be hide how is it posible

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