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Polaris SQL PLSQL Interview Questions
Questions Answers Views Company eMail

What is the difference between join and union.

27 164291

Types of joins ?

11 16133

what is global variable in package

3 8767

how to find the second highest salary from emp table?

209 267700

What is oracle ? why we should go for oracle database instead of diffrent databases available in the industry.

5 8145

I have one Excel file with 1,50,000 Records. Now I need to load that whole file into Oracle Database with same columns in Excel sheet . I need PLSQL Procedure or used by SQL PLUS

7 13079

how to debugg a procedure or package using dbms_output.put_line in plsql

1 6263

how to connect oracle in unix prompt?

4 9687

What are the new features in Oracle 10g. Compared to Oracle 9i?

1 8334

Difference between IN and EXISTS

4 10352

Initially question was asked to mention the types of indexes. Then asked about BITMAP INDEX and B-Tree Index

2 5386

Difference between DBMS and RDBMS...CODD's rules

4 13868

Talk about views

10 9215

Can We write bulk collect statement in triggers?

1 7688

what is pragma ?

1 5540

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Polaris SQL PLSQL Interview Questions

Un-Answered Questions

What does the gc () method?


Explain what are the databases that are available to be used with the web logic j2ee connector architecture?


What are routers?


Let’s say we live in a country that gets very cold, in Northern America / Europe. In winter, we monitor the ouside temperature, so that heaters can be switched on, inside the house. The idea is that, the colder it is outside, the warmer it should be inside. The heating side of things is just a heater that is either switched on, or switched off. Just from the information that has been given, please discuss this matter in depth. Provide reference to OPEN / CLOSED loop control, FEEDFORWARD / FEEDBACK control and MODULATING / ON_OFF control raised in the discussion.


What are the advantages of bootstrap?


Briefly explain recursive algorithm 50 how do you search for a target key in a linked list?


What is the difference between atomic and nonatomic properties?


Mention the execution process for managed code?


What is the alpha check execution program?


Define botanical garden?


How is bounce rate calculated?


What is java api for xml-based rpc (jax-rpc)?


What are differences between DTDs and Schema?


How can we make sure main() is the last thread to finish in java program?


Why is python faster than r?