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Topic :: Data





Data Interview Questions
Questions Answers Views Company eMail

Do you have some knowledge of R - analyse a given dataset in R?

Airbnb,

337

Define Data Warehousing?

Wipro,

1165

How can you tell if a database object is invalid?

MCN Solutions,

1089

How can you create employees at the database in Siebel?

Siebel Systems,

1162

What is the result of not creating the employee in the database whereas the employee exists in Siebel application ?

Siebel Systems,

942

Data Engineer Given a list of followers in the format:123, 345234, 678345, 123…Where column one is the ID of the follower and column two is the ID of the followee. Find all mutual following pairs (the pair 123, 345 in the example above). How would you use Map/Reduce to solve the problem when the list does not fit in memory?

Twitter,

756

How would you use Map/Reduce to split a very large graph into smaller pieces and parallelize the computation of edges according to the fast/dynamic change of data?

Twitter,

702

define what a data area is along with a brief example of what it may be used for?

IBM,

1 1760

how can database records be read without lock ?

IBM,

1 1974

define data structure?

IBM,

1 1783

define what a data queue is along with a brief example of what it may be used for?

IBM,

1 1833

how do you read data area in an rpg program?

IBM,

1 1846

what are the different opcodes available in rpg for database access ?

IBM,

1 1723

how to read database records without locking them?

IBM,

1 1880

how will you add a field to physical file already containing data?

IBM,

1 1908



Related Topics


Un-Answered Questions { Data }

Can we install Oracle database in VT100 Server?

2408

Is there anyway to automatically update the Datasource name in Database Checkpoints object when we migrate tests to a new release?

3910

How to connect to a remote database using Applet?

2563

How database connectivity in XML is achieved?

2255

How data can be inserted into long row column of database?

2164

How to know howmuch data is truncated?

2385

What are the parameters available in user exit for enhancing master data?

1979

What are the data target administration tasks?

2331

Where the data is extracted during init of delta and during delta updates?

2023

How do you transform OH data?

1939

How will you do data driven testing using Robot?

2571

Where the datapool values are stored?

2467

What is datapool cursor?

2328

What is standard data type and what is user defined data type?

2371

What information is contained in the Datapool_config section?

2207