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Difference between Application RI,Batch RI,explicit & standard RI? - forum topic by Nishant.Bhardwaj

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Hi Experts,

 

As we have various types of RI in teradata like Soft RI,application RI ,Batch RI,Explicit RI, Standard RI..

 

I know that  Soft RI  allows the Optimizer to utilize join elimination in the generated

 

plan with out enforcement performed implicitly during the execution of the insert, delete, or update..

 

On the  other hand ,other  RI's  allows the Optimzer to utilize the Join elimination with enforcemenit performed explicilty during Insert/Update & Deletes.

 

I am not sure what are the difference between Application RI,Batch RI,explicit & standard RI as they all fall in the same category.

 

Can any one please elaborate more on this?

 

Cheers!

 

Nishant

 

 

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