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Polaris SQL PLSQL Interview Questions
Questions Answers Views Company eMail

1. what is the exact use of hint in sql. 2. How we can avoid index scan in sql even though index is there in the table.

1 5792

why we use nocopy?

2 5924

what is explain plan?, given an example...

3 7486

create a store procedure and created synonms for that store procedure after modify that store procedure will effect on synonms? If we delete the store procedure what happened to that synonms?

2 5899

What is meant by Materialized view?

2 5694

Main diff between varray and nested tablea

3 7874

How to retrieve a second highest salary from a table? Note:Suppose salaries are in duplicate values eg: Name Sal Malli 60000 Pandi 60000 Rudra 45000 Ravi 45000

10 11255

What is Function based Index and which type of function we can use in Function base index. can we use aggregate,NVL function in Function based Index..

1 2698

How collections are improve the performance?

1 2896

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Polaris SQL PLSQL Interview Questions

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