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Topic :: Data





Data Interview Questions
Questions Answers Views Company eMail

What is program data vector (pdv) and what are its functions?

 1263

What is the difference between using drop = data set option in data statement and set statement?

 1175

What would be the value of month at the end of data step execution and how many observations would be there?

 1175

If a variable contains letters or special characters, can it be numeric data type?

 1225

Explain how merging helps to combine data sets.

 1071

Explain what is data step?

 1215

If a variable contains only numbers, can it be a character data type?

 1097

What happen on the namenode when a client tries to read a data file?

 472

What happen if a datanode loses network connection for a few minutes?

 611

What happen if one of the datanodes has much slower cpu?

 444

After increasing the replication level, I still see that data is under replicated. What could be wrong?

 467

Web-ui shows that half of the datanodes are in decommissioning mode. What does that mean? Is it safe to remove those nodes from the network?

 454

What is the difference between a hadoop database and relational database?

 462

What is data cleansing?

 459

List out some common problems faced by data analyst?

 463



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