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Cognizant SQL PLSQL Interview Questions
Questions Answers Views Company eMail

What is an index and types of indexes. How many number of indexes can be used per table ?

12 75239

how to find the second highest salary from emp table?

210 284510

What is normalization? dec 2009

3 5796

There is a table, In one column it has implemented a index, but the index is disturbed by the regular dml statements.. but still we need to keep the index. how it is possible?

1 5060

there is A table and B table in A table there 5 rows and in b table there are 2 rows i am firing query select * from a,b what will be the output?

7 10255

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Cognizant SQL PLSQL Interview Questions


Un-Answered Questions

What jsp lifecycle methods can be overridden?

277


What are data types in oop?

274


How memory is managed in python?

276


What is information structures?

305


what is the difference between rational rose and QTP? WHICH TOOL IS BETTER TO LEARN? PLEASE SEND ME AT sana_50218@yahoo.com sandeep@epuratech.com

1991






What is mongodb best for?

1


Is sql dba a good career? : SQL DBA

239


What are layout pages in sharepoint?

221


What is the difference between react components in es5 and es6?

41


Explain what is user profile & security?

283


How long does a scrum cycle last? Who are involved in scrum cycle?

1


Explain the thress bms options?

296


In order to prevent penalty, what things you shouldn’t perform to increase ranking?

245


Can we have 2 main methods in c#?

223


What is routing concepts in angular 2?

239