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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 4581

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

2 4098

Carnot cycle

2 5522

How does final modifier work?

1 3552

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 5002

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

1878

what is stacked chart , Bar chart, Column chart?

1 3589

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

2081

Why neutral cable carry current.

2025

what is system testing? explain with an example.

1 3925

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

2104

What is good customer service and give me an example?

2333

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

1447

How. To pass the entrance test

1 2874

C language questions for civil engineering

1766

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Un-Answered Questions

what the function breaker failure scheme, how is it operated

1954

Differentiate between node.js vs ajax?

539

What is ruby tag in html5?

1051

What kind of a manager are you?

1239

How and what are the stacks available in xi?

Explain eosinophils?

478

What is open delta Xformer? It's adavntages & Use?

2280

What is an expansion valve and its purpose?

1931

Name the different triggers associated with oracle forms having a master-detail relationship.

1054

What do you understand by Commit log in Cassandra?

How require to perform linearity as per ANVISA? What are the acceptance criteria?

1400

Tell me what do you mean by backlink?

847

How many runtime brokers should be running?

879

how the values be passed to prompts in report studio? when a data item is dragged n dropped in to report, after the default query generated first which sql will the query query hit for processing means (native or cognos)? plz answers to these questions?

9317

What are demand-paging and pre-paging?

1051