In which scenarios we use Volatile tables and Global temporary Tables in Real t

In which scenarios we use Volatile tables and Global
temporary Tables in Real time? Please give me one real time
scenario???I know wat is its use??

Question Posted / babu

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In which scenarios we use Volatile tables and Global temporary Tables in Real time? Please give me ..

Answer / tdguy

Sometimes, we may need aggregated data using some no of
columns from a very big table and these results are needed
in multiple sql requests In those cases, temporary tables
come in to picture and hold these temporary results for
further processing. When you need the table to be used
across sessions, GTT would be used so that definition would
be retained and can be reused by multiple users. When there
is a need only within the session, volatile table would be
used. These tables also help in speedy running of sqls.

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In which scenarios we use Volatile tables and Global temporary Tables in Real time? Please give me ..

Answer / yuvaevergreen

A volatile table is dropped at the end of the session(both
definition and data). It is stored in spool space and
statistics for the data cannot be collected. A global
temporary table's data alone is dropped at the end of the
session. It is stored in temp space and stats can be
collected. Any user can make use of the definition within
his temp space.

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In which scenarios we use Volatile tables and Global temporary Tables in Real time? Please give me ..

Answer / frank

Pls explain clearly don't understand

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