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lionofdezert
Aged Yak Warrior

885 Posts

Posted - 2009-01-21 : 00:38:13
I have table with columns

person_id GUID
first_name VARCHAR(100)
last_name VARCHAR(100)
stree VARCHAR(100)
city VARCHAR(50)
passport_no VARCHAR(50)

table ll contain trillions of rows, and i fear that it ll become very slow bcos i know that indexing on VARCHAR columns is not that effecient.
WHAT SHOULD BE THE BEST SENARIOS TO OPTIMIZE MY SEARCH QUERIES ON VARCHAR DATA WITH SUCH A HUGE QUANTITY.

SwePeso
Patron Saint of Lost Yaks

30421 Posts

Posted - 2009-01-21 : 01:27:48
Trillions of records?
We are 7 billion people on earth...



E 12°55'05.63"
N 56°04'39.26"
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lionofdezert
Aged Yak Warrior

885 Posts

Posted - 2009-01-21 : 01:54:57
thats not a answer of my question...
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sodeep
Master Smack Fu Yak Hacker

7174 Posts

Posted - 2009-01-21 : 08:29:58
Consider doing Table Partitioning(if Ent Edition) for better performances.
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