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How to get the rows count in a faster way for the tables that has billions of records

2835760Oct 7 2015 — edited Oct 9 2015

 

  How to get the rows count in a faster way for the tables that has billions of records:

 

Select count (*) from <t1> ; - The expected time to return results is longer here

select from dba_tables; -- it doesn’t help in real time scenario.. since it requires the stats to be generated on the table.. and that requires a longer time to complete.

Greatly appreciate your help on this.

 

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Locked on Nov 6 2015
Added on Oct 7 2015
#general-database-discussions
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