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Topic :: Data





Data Interview Questions
Questions Answers Views Company eMail

How will you deal with unbalanced data where the ratio of negative and positive is huge?

Amazon,

336

You have been given the data on Facebook user's friending or defriending each other. How will you determine whether a given pair of Facebook users are friends or not?

Facebook,

379

Describe the data analysis process.

Google,

413

Give a large dataset, find the median.

Twitter,

364

Implement a sorting algorithm for a numerical dataset in Python.

Facebook,

364

What data structures are available in the Pandas package in Python programming language?

WalMart,

374

What motivates you to transition from academia to data science?

Insight,

341

You have two tables-the first table has data about the users and their friends, the second table has data about the users and the pages they have liked. Write an SQL query to make recommendations using pages that your friends liked. The query result should not recommend the pages that have already been liked by a user.

Facebook,

442

How would add new Facebook members to the database of members, and code their relationships to others in the database?

Facebook,

375

How can you measure engagement with given Twitter data?

Twitter,

419

How concurrency problems effect the database?

BirlaSoft,

1179

Data structure used to implements a menu:

Verifone,

1176

How many types of locks are present in a database?

Abacus,

1147

What are the types of indexes that are present inside a database?

Abacus,

1140

What are different types of data models available? Explain with example?

Accenture,

1130



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?

3913

How to connect to a remote database using Applet?

2564

How database connectivity in XML is achieved?

2256

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?

2332

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

2023

How do you transform OH data?

1940

How will you do data driven testing using Robot?

2573

Where the datapool values are stored?

2468

What is datapool cursor?

2329

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

2373

What information is contained in the Datapool_config section?

2208