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TCS Data Warehouse General Interview Questions
Questions Answers Views Company eMail

Hierarchy of DWH?

2 14395

What is hash partition?

3 2253

How can you define a transformation? What are different types of transformations in Informatica?

7 5892

Can you brief about the Data warehouse project you worked on?

1316

What is Data purging?

8 45719





What is MDX?

2 6504

How did you plan your Data ware house project?

1097

Where can one get more info about Data Warehousing?

3 7473

Difference between ODS and Staging

4 30907

Hi, Could any one tell me which schema (star and snow flake schema) will take much space? Thanks S.A.K

6 6379

Tell me one example for multi valued dimension or bridge table?

2 15645

Tell me one example for junk dimension?

9 36616

What is difference between Business Objects and Hyperion Essbase? Please help me

1 12410

2.What is staging area ?

4 8482

3.What is fact less fact ?

9 7940

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Un-Answered Questions

At a shop of marbles, packs of marbles are prepared. Packets are named A, B, C, D, E …….. All packets are kept in a VERTICAL SHELF in random order. Any numbers of packets with these names could be kept in that shelf as in this example: bottom of shelf ---> [AAAJKRDFDEWAAYFYYKK]-----Top of shelf. All these packets are to be loaded on cars. The cars are lined in order, so that the packet could be loaded on them. The cars are also named [A, B, C, D, E,………….]. Each Car will load the packet with the same alphabet. So, for example, car ‘A’ will load all the packets with name ‘A’. Each particular car will come at the loading point only once. The cars will come at the loading point in alphabetical order. So, car ‘B’ will come and take all the packets with name ‘B’ from the shelf, then car ‘C’ will come. No matter how deep in the shelf any packet ‘B’ is, all of the ‘B’ packets will be displaced before the ‘C’ car arrives. For that purpose, some additional shelves are provided. The packets which are after the packet B, are kept in those shelves. Any one of these shelves contains only packets, having the same name. For example, if any particular shelf is used and if a packet with name X is in it, then only the packets having names X will be kept in it. That shelf will look like [XXXXXXX]. If any shelf is used once, then it could be used again only if it is vacant. Packets from the initial shelf could be unloaded from top only. Write a program that finds the minimum total number of shelves, including the initial one required for this loading process.

1070


what are you doing ?

1669


#include { printf("Hello"); } how compile time affects when we add additional header file .

755


What is a method for assigning first.VAR and last.VAR to the BY group variable on unsorted data?

703


when & how interest on unsecured loan is calculated?

822






User is not there in User master record. Then how to trace the user?

211


where is the need for short circuit test for 3 see is required and why? can you explain in brief with application

744


What is the Good Earth resistance value of G.I & Cu. Chemical Earthing & Normal Pipe Earthing?

1083


. Explain the legal provisions regarding safety of workers.

5685


How Verification, validation, and performance analysis work?

426


What is DNA computing ?

2221


what is the difference between rectifier and converter and commudator?

639


What is function (in details) room sensor and tube or coil sensor in HVAC system?

415


program to find error in linklist.(i.e find whether any node point wrongly to previous nodes instead of next node)

964


I want definition for ABT Meter (Availability Based tariff) ?

778






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