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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 4474

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

2 4007

Carnot cycle

2 5410

How does final modifier work?

1 3466

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 4894

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 3505

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

2039

Why neutral cable carry current.

1974

what is system testing? explain with an example.

1 3841

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

2064

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 2804

C language questions for civil engineering

1722

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Un-Answered Questions

How many tables will be created in eav module?

Where can I get Iidian straderd specifications for electrical items or works in web? please help me.

2011

Why is change management necessary for erp? : supply chain management

What do you know about ADO?

699

Is ubuntu a bsd?

932

What is preemptive multitasking?

1065

Why we find the sensitivity for the CT's to check?

1864

Explain what is the stack of autorelease pools. How autorelease pool work under the hood?

1405

What are the different types of java?

1067

What is the difference between nvl and nvl2?

977

Will galaxy s8 get android pie?

883

Why did the wall of Romanesque Churches have to be so thick?

4947

What do you understand by tomcat-users.xml configuration file?

748

What is electrophilic addition reaction?

1186

What is the repository pattern?

930