Interview Questions

Q:

what is flat aggregation?

Answer

If you create an Aggregate with more than 16 characteristics, then we call that aggregate as FLAT Aggregate. When an aggregate is active then new data is not available for reporting,These aggregates are called Flat Aggregates.

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Q:

How will you find the 3rd max salary in the employment table?

Answer

SELECT DISTINCT(salary) FROM emp as e1 


WHERE (3) = (SELECT COUNT(DISTINCT(salary)) FROM emp as e2  WHERE e1.salary <= e2.salary)

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Subject: SQL

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Q:

How important does accounts receivable useful for small business and why?

Answer

 Accounts receivables help small businesses by providing quick-time period liquidity. Additionally continued sales on credit provide the  much-needed continuity for small companies.

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Q:

Which among the following are the capabilities of the Cursor?

A) It reads every row one by one. B) It can be parameterised and hence are flexible
C) It can be positioned to specific rows D) All the above
 
Answer & Explanation Answer: D) All the above

Explanation:

All the above listed actions are the functions of cursor

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Q:

What is the use of multi-threaded fetching in Amazon S3?

Answer

- Multi-threading fetching in Amazon S3 is used to fetch the objects concurrently using the multiple threads and map the task so that fetching can be made simpler. 


- It is not a good practice to increase the threading for a particular object as every node on the server has some bandwidth constraints. 


- It provides user the ease with which they can upload the files and upload the threads in parallel. 


- It provides high speed of data transfer and easy maintenance of the sever as well.

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Subject: Cloud Computing

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Q:

In contrast to investment, consumption is

A) relatively unstable B) measurable
C) unmeasurable D) relatively stable
 
Answer & Explanation Answer: D) relatively stable

Explanation:

In contrast to investment, consumption is relatively stable.

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Filed Under: Marketing and Sales
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

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Q:

What is the primary function of the Web browsers?

Answer

- Web browser functions are to provide the resources or information to the user when asked by them. 


- It processes the user inputs in the form of URL like https://www.google.com in the browser and allows the access to that page. 


- URL is used to identify the resources and fetch them from the server and displays it to the client. 


- It allows the user to interact with the web pages and dynamic content like surveys, forms, etc. 


- It also allows the user to navigate through the complete web page and see its source code in the HTML format. 


- It provides security to the data and the resources that are available on the web that is by using the secure methods.

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Subject: Web Technology

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Q:

What is Overloading Polymorphism?

Answer

Overloading allows multiple functions to exist with same name but different parameters. Again if you take bike as an example, it has a function “Start” with two forms i.e. ’Auto Start’ and ’kick start’.

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Subject: Java

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