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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 3399

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

 2 3033

Carnot cycle

 2 4357

How does final modifier work?

 1 2659

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 3529

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

 1413

what is stacked chart , Bar chart, Column chart?

 1 2626

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

 1525

Why neutral cable carry current.

 1516

what is system testing? explain with an example.

 1 3075

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

 1559

What is good customer service and give me an example?

 1754

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

 972

How. To pass the entrance test

 1 1848

C language questions for civil engineering

 1235

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Tech Mahindra Interview Questions


Un-Answered Questions

Once an object has launched an application, any attempt to re-launch will cause an exception. Is this true or false?

305

How do you check data on pgadmin 4?

428

Is null in java?

547

How to disable wordpress comment?

128

What is a 'customer-material information record'?

730




Can devops be applied to a waterfall process?

1

How do you clear the command prompt screen?

542

Have u applied patches what is the transaction code?

636

What is js full form?

511

What is xslt used for?

454

The statement, int(*x[]) () what does in indicate?

640

What are the formats in which search result be exported?

135

Which privileges do you need to work on a schema, table or views in SAP HANA?

76

if you will not get success this time then what will you do?

720

What are the fundamental differences between Engineering and Physics?

587