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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 4343

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

2 3877

Carnot cycle

2 5269

How does final modifier work?

1 3352

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 4742

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 3415

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

1962

Why neutral cable carry current.

1910

what is system testing? explain with an example.

1 3742

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

2015

What is good customer service and give me an example?

2213

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

1337

How. To pass the entrance test

1 2697

C language questions for civil engineering

1657

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I have completed my B.E with (CSE) computer science and engineering ,i had a total no of backlogs=20 ,is there any chances to get the visa PLEASE HELP ME NE1 : MY ID=john_searchig143@yahoo.com .

1821

Where is kafka used?

503

how you can enable bulk load mode in ti?

How to add? tree view control in datagrid in asp.net using c#?

2133

What is the use of super in Ruby Rails?

827

What is the difference between ‘git remote’ and ‘git clone’?

how open-minded are you to other members ideas?

1025

What is ole word?

895

Define bodice?

What is recursive BOM

1554

How to use subqueries with the in operator using oracle?

1033

Explain what is cycle time?

557

How are the function code handles in flow logic?

1030

What the formula for calculating no.of earthings & size of earth strip for 100mX90m shop.

2302

How important is vpc in aws environment and brief about it.

162