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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 73243

how to find the second highest salary from emp table?

210 271127

What is normalization? dec 2009

3 5478

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 4773

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 9702

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Cognizant SQL PLSQL Interview Questions


Un-Answered Questions

What are the functions of SEBI?

186


what is the physical connection of a analog i/p to a analog i/p module (ab plc)and through a analog o/p module(ab plc) to a analog o/p . and how all the process control by scada

1043


Can I schedule auditing to be turned off during data import?

73


What is the latest version of bootstrap?

1


Is c# 8 released?

111






What is ccs3?

24


Explain the functions of the cu and alu in the cpu of a computer.

149


Which is a valid identifier?

147


How to Set a Netmask under SunOS?

795


How to synchronize two ms access files? I am using one Ms access file (access 2007 accdb file) in my system. the same file i have given it to another section for data entry. every day data entry is being done in that section and i am making reports in my access file. how do i synchronize both file because i need to update data entries from that system and update my new reports to that system. Plz help me how to do that? Network is not available between these systems and things can be done via storage devices only.

1007


If you face any problem in your current organization then mention how would you solve the problem and benefit the company? (Describe it below in 300 words).

534


What are angular classes?

103


What are the multimedia features involved in making android popular?

147


What are digital circuits?

162


why there is a collision in switch

973