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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 6158

why we use nocopy?

2 6560

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

3 8253

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 6541

What is meant by Materialized view?

2 6347

Main diff between varray and nested tablea

3 8525

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 13128

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 3215

How collections are improve the performance?

1 3520

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Polaris SQL PLSQL Interview Questions


Un-Answered Questions

some basic standard questions on transformer.

1321


Differentiate between Compare Component cost and Composite cost?

726


Why we use delegates in swift?

476


Which annotation is used to auto generate primary key?

345


Explain in which directory hadoop is installed?

236






Why is data structure needed?

528


If we increase only P what will be controller action ?

1627


Why apache spark is faster than hadoop?

254


Do you know why does in many of tests html files have style="visibility:hidden;"?

1


I want to know about the open source licenses and its features

1675


What is operating system in english?

533


What is inner class in c#?

514


What is an intent receiver?

565


How do you rank in excel?

312


What is a matchcode?

591