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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 4482

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

2 4013

Carnot cycle

2 5418

How does final modifier work?

1 3473

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 4900

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

1828

what is stacked chart , Bar chart, Column chart?

1 3508

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

2039

Why neutral cable carry current.

1979

what is system testing? explain with an example.

1 3848

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

2071

What is good customer service and give me an example?

2275

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

1398

How. To pass the entrance test

1 2807

C language questions for civil engineering

1722

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Un-Answered Questions

Write a short code using c++ to print out all odd number from 1 to 100 using a for loop

1032

What is the difference between asp and aspx?

1086

What are Common values of digital image parameters?

1226

Which linux is closest to mac?

922

What is the difference between merge and update method?

501

What are the common ajax frameworks?

977

explain the options of myisamchk to improve the performance of a table. : Sql dba

1018

What is the difference between rollback and rollback to statements?

1060

What is Kirchhoff's Law ?

1072

What is the benefit of using Central Contract management process?

995

How do I open a css file?

666

How to predict the function of a gene (product)?

1955

Can we convert off line transformer to on line transformer

1984

What are the different ways to get an Azure subscription?

653

What are the components required to manage oracle real application clusters database?