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When return huge amount of data to java based application, What are the guild lines and strategy sho

sanjey asok
Ranch Hand

Joined: Jul 11, 2009
Posts: 39
When return huge amount of data to java based application,
What are the guild lines and strategy should be followed?
Jeanne Boyarsky
author & internet detective
Marshal

Joined: May 26, 2003
Posts: 32481
    
214

A few ideas:
1) Don't return any columns you don't need.
2) Return the data in batches. (Also consider what you are doing with the data and why you need so much. Unless you are downloading a huge report, you may need less data than you first think.)
3) Test the performance early to see how it meets your expectations.


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sanjey asok
Ranch Hand

Joined: Jul 11, 2009
Posts: 39
Return the data in batches


Is very interesting please explain how it will be implemented
Jeanne Boyarsky
author & internet detective
Marshal

Joined: May 26, 2003
Posts: 32481
    
214

You have a primary key for your table/data. Suppose it is a number. You could add a clause to say you only want records 1-1000, 1000-2000, etc. That way your code controls what data is returned.
 
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