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Tech Mahindra Interview Questions

Questions Answers Views Company eMail

If age of Raju is 20% less than Sanju,then age of Sanju is how many % more than Raju

2 4349

What are possible key words, we can use to declare a class?

2 3877

Carnot cycle

2 5276

How does final modifier work?

1 3357

i have multiple .csv files in a unix directory. every file is having variable names as header.even for empty file also. suppose take 3 files a.csv b.csv c.csv a.csv contains data as name;age,salary; raja;34;4000; ravi;33;5000; kumar;25;3000; b.csv contains data as name;age,salary; ajay;40;4500; and c.csv contains name;age,salary; (only headers) Now i want to import and append all these files in to a single dataset. i tried infile statement with *.csv to import all at a time. but i m not getting correct data. please help me . its urgent. thank you in advance

2 4748

i have some csv files in a directory which have sub-directories also. now how can i merge all .csv files in to one with a single header. for example: have some 4 files. 1.csv--------name,age,sal abc,25,4000 2.csv--------name,age,sal vgd,32,3500 3.csv--------name,age,sal hfg,20,5000 4.csv--------name,age,sal asd,15,2000 now my output file should be like 5.csv----------name,age,sal abc,25,4000 vgd,32,3500 hfg,20,5000 asd,15,2000 and please explain the code for me. as i am new to scripting. thank you in advance

1771

what is stacked chart , Bar chart, Column chart?

1 3416

What is the more accurate formula to convert wet concrete to dry aggregate instead of the 54% method?

1965

Why neutral cable carry current.

1913

what is system testing? explain with an example.

1 3743

What is Test Design ?( Urgent) and Test Design for Printer?

2019

What is good customer service and give me an example?

2215

if i have a query as flat file how can we load data to target table

1340

How. To pass the entrance test

1 2707

C language questions for civil engineering

1659

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Un-Answered Questions

What is plutonium reprocessing?

236

What is jdbc template and how to use it in spring?

398

What sorting algorithm should be used for sorting strings?

898

How would you identify the shared_pool_size parameter that needs to be adjusted?

What is the difference between captureentirepagescreenshot and capturescreenshot?

1004

How do you enter a section break in word?

516

How did you choose the appropriate lifecycle for your project?

3324

What is the basic form of sql query?

881

What are the key aspects that can help to improve your customer service?

1150

How a balanced equation can be used to find the mass or volume of an unknown quantity in a stoichiometry?

2482

What is edit scenarios in excel?

537

What is a structure consisting of 2 or 3 tissues called as?

870

Tell me the role of a car driver as one of a feedback mechanism.

927

What is jit (just in time)?

926

Explain the first normal form(1nf)?

972