Infosys Questions And Answers

21⟩ How to check whether a linked list is circular?

Create two pointers, each set to the start of the list. Update each as follows:

while (pointer1) {

pointer1 = pointer1->next;

pointer2 = pointer2->next; if (pointer2) pointer2=pointer2->next;

if (pointer1 == pointer2) {

print ("circularn");

}

Thus, these are the most commonly asked Infosys technical interview questions. Read these Infosys technical interview questions for better Interview process.

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22⟩ What is EXE in Infosys?

The term EXE is a shortened version of the word executable as it identifies the file as a program. On the other hand.

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23⟩ What is Clustered index of Infosys?

☛ Only one per table

☛ Faster to read than non clustered as data is physically stored in index order

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24⟩ What is non clustered index of Infosys?

☛ Can be used many times per table

☛ Quicker for insert and update operations than a clustered index

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25⟩ Can you please explain the difference between foreign key and reference key?

Reference Key is the primary key that is referenced in the other table (linked via the other tables Foreign Key). Foreign Key is how you link the second table to the primary tables Primary Key (or Reference Key).

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26⟩ Explain DSN in Infosys?

A Data Source Name (DSN) is the logical name that is used by Open Database Connectivity (ODBC) to refer to the drive and other information that is required to access data. The name is used by Internet Information Services (IIS) for a connection to an ODBC data source, such as a Microsoft SQL Server database. To set this name, use the ODBC tool in Control Panel.

✫ click->start in control panel->double click

✫ Administative Tool->click ODBC data source->click

✫ System DSN tab->click Add

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27⟩ What is foreign key in Infosys?

Foreign Key is how you link the second table to the primary tables Primary Key (or Reference Key).

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28⟩ What is Reference Key in Infosys?

The primary key that is referenced in the other table (linked via the other tables Foreign Key).

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29⟩ Explain database Schema in Infosys?

The formal definition of database schema is a set of formulas (sentences) called integrity constraints imposed on a database.

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30⟩ Explain Object Relational DBMS in Infosys?

An object-relational database (ORD), or object-relational database management system (ORDBMS), is a database management system (DBMS) similar to a relational database, but with an object-oriented database model: objects, classes and inheritance are directly supported in database schemas and in the query language. In addition, just as with proper relational systems, it supports extension of the data model with custom data-types and methods.

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31⟩ What are the 4 basics of OOP in Infosys?

Abstraction, Inheritance, Encapsulation, and Polymorphism.

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32⟩ Explain the different levels of database schema of Infosys?

✰ Conceptual schema- a map of concepts and their relationships.

✰ Logical schema- a map of entities and their attributes and relations

✰ Physical schema- a particular implementation of a logical schema

✰ Schema object- Oracle database object

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33⟩ Some of the interview questions asked by the HR are as follows -

1) Why Infosys and why not other companies what interests you in infy?

2) How did you career paved a way to the industry standards?

3) Why do you choose software industry when you are from different background?

4) Explain us in detail about your project?

5) What are all the programming languages you know and explain about certain programming language architecture?

6) What will be your ideal holiday spot?

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34⟩ Aptitude round may have these type of questions. Either these questions were asked in previous interviews or they are in the same format with name changes.

1) What is the area of a rectangle whose length is twice its width and whose perimeter is equal to that of a square whose area is 1?

2) Write ten numbers from the least to the greatest which have a remainder 3 after dividing it by seven. What is the series formed and what is the CD?

3) A cylindrical glass container is 20 centimeters tall and has a diameter of 10 centimetres. On the inside wall, three centimeters from the upper circular base, there is a drop of honey. On the lateral surface, diametrically opposite it, there is a fly. Which is the shortest route for the fly to reach the honey or destination?

4) Each packet of computer floppies contains a coupon that is equally likely to bear the letters D, E or F. If `x` packets are purchased, what is the probability that the coupons cannot be used to spell `FED`?

5) How many numbers greater than 5000 can be formed with four of the digits 3, 4, 5, 6, 7 where no digit can be repeated.

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Infosys

Home Companies Infosys

34 Infosys Questions And Answers

21⟩ How to check whether a linked list is circular?

22⟩ What is EXE in Infosys?

23⟩ What is Clustered index of Infosys?

24⟩ What is non clustered index of Infosys?

25⟩ Can you please explain the difference between foreign key and reference key?

26⟩ Explain DSN in Infosys?

27⟩ What is foreign key in Infosys?

28⟩ What is Reference Key in Infosys?

29⟩ Explain database Schema in Infosys?

30⟩ Explain Object Relational DBMS in Infosys?

31⟩ What are the 4 basics of OOP in Infosys?

32⟩ Explain the different levels of database schema of Infosys?

33⟩ Some of the interview questions asked by the HR are as follows -

34⟩ Aptitude round may have these type of questions. Either these questions were asked in previous interviews or they are in the same format with name changes.

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Infosys

Home Companies Infosys

34 Infosys Questions And Answers

21⟩ How to check whether a linked list is circular?

22⟩ What is EXE in Infosys?

23⟩ What is Clustered index of Infosys?

24⟩ What is non clustered index of Infosys?

25⟩ Can you please explain the difference between foreign key and reference key?

26⟩ Explain DSN in Infosys?

27⟩ What is foreign key in Infosys?

28⟩ What is Reference Key in Infosys?

29⟩ Explain database Schema in Infosys?

30⟩ Explain Object Relational DBMS in Infosys?

31⟩ What are the 4 basics of OOP in Infosys?

32⟩ Explain the different levels of database schema of Infosys?

33⟩ Some of the interview questions asked by the HR are as follows -

34⟩ Aptitude round may have these type of questions. Either these questions were asked in previous interviews or they are in the same format with name changes.

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