Answer / ektagalani

1.Standard Internal Tables: These tables have a linear index
and can be accessed using the index or the key. The response
time is in linear relationship with number of table entries.
These tables are useful when user wants to address
individual table entries using the index.
2.Sorted Internal Tables: These tables also have an index
and the key. But, the response time is in logarithmic
relationship with number of table entries, since it uses
binary search algorithm instead of linear search. These
tables are useful when user wants the table to be sorted
while additional entries have to be added.
3.Hashed Internal Tables: These tables have no index, but
have the key. The response time is constant irrespective of
number of table entries, since it uses a Hash algorithm.
These tables are useful when user wants to access the
entries with key only.

Answer / madhana mohan

INTERNAL TABLE TYPES, ATTRIBUTES IN VER. 4.X
============================================

A N Y T A B L E
| |
INDEXED NON INDEXED
TABLES TABLES - HASHED TABLES
| |
STANDARD SORTED
TABLES TABLE

SY-TABIX SY-TABIX SY-TABIX INOPERTIVE (NO
INDEXED
OPERATIONS)

L SEARCH B SEARCH HASHED ALGO FOR SEARCH

B SEARCH
IF SORTED
& SPECFIED

ACCESS TIME DEPENDS ACCESS TIME INDEPENDENT OF
ENTRIES
ON NO OF ENTRIES

S,D KEY D KEY DEFINED KEY

N UNIQUE N UNIQUE UNIQUE KEY
UNIQUE

RESORT NO RESORT RESORT

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