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  • Cognizant aptitute test questions (20)
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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 70180

how to find the second highest salary from emp table?

209 250729

What is normalization? dec 2009

3 5029

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 4379

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 8955

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Un-Answered Questions

what are metrics and what are metrics did u collect in you are project

1218


draw neat sketch of pirani gauge with wheatstone bridge circuit to measure output. discuss its construction working princple

1885


Define control account Thanks

800


How we can convert warnings in to error message in img?

1460


what is the dimensions of river sand truck trailer or trolly ?

2647






how a flip flop can be used as a latch?

822


Formula for calculation volume of essentric footing

488


In realtime do we configure ALE systems or Administator will take care of that?

397


WHAT IS THE PLANT HEAT RATE AND WHAT IS THE TURBINE HEAT RATE?

1004


what is server side caching?

952


I currently use 17-7 PH stainless which is hardened to condition CH after forming. raw matl is .1.75"X .12" X .008". Its main usage after hardening is silicon wafer retainer where it's contantly cycled up and down to putin and remove wafer after 40-60 sec process at 400C temp. At this high temperature this part seemed to deform after a a couple of hundred wafer which is what it was designed for in the first place. THere is a proposal to go to a different material to increase lifeline of this part. My question is..... can 321 SST be a plugin replacement. I know this has a higher temp rating but how about its forming characteristics, will it have spring properties, and wont become brittle after prolonged exposure to 400C.

1335


Explain the Job OutputFormat?

244


1) a)to prepare mortar for bricklaying how much amount of water should be added for its maximum strength and workability(to avoid cracks which results, when high quantity of water is added)?is their a formula or ratio? b) suppose we want to make 1:3 mortar,what is the best way to measure cement ,sand and water and how? c)time before which freshly prepared mortar should be used? d)proper way to mix and make mortar? e)when should curing start after laying bricks and for how long?and also how many hours per day? f)what is shear wall (please in terms of layman lol) bookish definisions are confusing.... g) and last,acc to codes what are max no. of course that should be laid in a day.

935


what is basic difference betmeen normal & flame proof motor??

977


HOW MUCH HARDNESS OF CAST IRON?

866






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