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WalMart Interview Questions
Questions Answers Views Company eMail

State some use cases where Hadoop MapReduce works well and where it does not.

115

How will you fix multi-colinearity in a regression model?

101

Have you used sampling? What are the various types of sampling have you worked with?

106

What is the difference between an iterator, generator and list comprehension in Python?

119

What is the difference between a bagged model and a boosted model?

127

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What do you understand by check constraint in sql server?

461


What are the main challenges of the internet of things (iot)?

5


What happens to detail record when a master record is deleted? What happens to child record when a parent record is deleted? : salesforce crm

200


Write a Program to add 2 numbers without using operators (+,-) and without using third variable. Note: Use VBScript only Hint: You can use other operators like '/' & '*'(Division & Multiplication)

3161


Explain me where a cash discount should be recorded in journal entry?

3461






How do I edit a stored procedure in sql server?

490


what is azure fabric controller?

267


Can you download windows 10 to a flash drive?

392


Why the width of the base region of a transistor is kept very small compared to other regions?

913


What do you mean by data binding?

424


In SAP PI system, which tests you can perform under monitoring and configuration part?

235


What are the different type of N: N relationships we have in CRM?

311


Give a few applications of bi?

5


how a programmer confirms that the data submitted has been succesfully inserted into the database(either oracle or my sql).. How a programmer confirm if there is any problem with the program he wrote for insertion... ANS:--- >executeupdate method is having boolean return type, if anything goes wrong in data insertion or data updation, it would return false. otherwise, if it successfully inserts data into the database, it would return true NOW HOW TO I CHECK IN MY DURING EXECUTION WHETHER IT RETURNS TRUE OR FALSE... WELL IT WILL DISPLAY ANY MESSAGE OR NOT

1817


How do I sort two columns in excel to match?

269