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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 71426

how to find the second highest salary from emp table?

209 256866

What is normalization? dec 2009

3 5165

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 4512

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 9189

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Cognizant SQL PLSQL Interview Questions





Un-Answered Questions

How would you randomize the contents of a list in-place?

22


What are the basis on which the best material for sliding contact bearings manufacturing?

31


If the rated speed of a d.c. Shunt motor is1440 r.p.m, which method of speed control would you suggested to obtain a speed of 1500 r.p.m?

25


What are the major configuration management tools in devops ?

1


What are the characteristic of sap hana calculation view? : hana administration

3






What role do you see for the use of authentication processes such as digital signatures in helping to maintain version control?

1234


What are the types of temporary tables?

1


What is a "worker node"?

6


Explain how you intend to work under pressure to meet up with deadline target?

1355


Describe the left outer join & right outer join. : sql server database administration

37


Tell us what kind of problems does regularization solve?

3


what is the system function to get the current user's user id? : Sql server database administration

7


I completed MBA finance in the year 2000-2002 fromAndhrauniversity. Now i want to do Mphil and phd . I secured 58% what is the Procedure.please suggest me

521


What is vectorization in r?

1


How to throw custom exception in Stored Procedure?

37