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I applied via Recruitment Consulltant and was interviewed before Mar 2023. There were 3 interview rounds.
SQL joins are used to combine rows from two or more tables based on a related column between them.
INNER JOIN: Returns rows when there is at least one match in both tables
LEFT JOIN: Returns all rows from the left table and the matched rows from the right table
RIGHT JOIN: Returns all rows from the right table and the matched rows from the left table
FULL JOIN: Returns rows when there is a match in one of the tables
CROSS J...
CODS rule is a troubleshooting method used in technical support to identify and resolve issues.
CODS stands for Cause, Observation, Diagnosis, Solution.
It helps technical support engineers systematically identify the root cause of a problem and provide a solution.
By following the CODS rule, engineers can efficiently troubleshoot and resolve technical issues.
Example: If a customer reports slow internet connection, the en...
posted on 12 Nov 2021
I applied via Campus Placement and was interviewed before Nov 2020. There were 3 interview rounds.
Explanation of keywords in public static void main( String args)
public - access modifier, allows main method to be accessed from anywhere
static - method belongs to class, not instance of class
void - method does not return any value
main - name of method, entry point for program execution
String - data type of array args
args - array of strings, command line arguments passed to program
posted on 16 Oct 2023
I applied via Campus Placement and was interviewed before Oct 2022. There were 4 interview rounds.
Basic aptitude questions
The topic was is reservation for educational institutions needed
I applied via Naukri.com and was interviewed in Aug 2021. There were 5 interview rounds.
posted on 9 Mar 2024
I applied via Naukri.com and was interviewed in Sep 2023. There was 1 interview round.
posted on 23 Jan 2022
I applied via Recruitment Consultant and was interviewed before Jan 2021. There were 4 interview rounds.
posted on 29 Sep 2022
I applied via Campus Placement
Normalization is the process of organizing data in a database to reduce redundancy and improve data integrity.
Normalization involves breaking down a database into smaller, more manageable tables
Each table should have a primary key that uniquely identifies each record
Data should be stored in a way that minimizes redundancy and avoids data inconsistencies
Normalization is typically divided into several levels, with each l...
I applied via LinkedIn and was interviewed in Apr 2023. There were 2 interview rounds.
REST is lightweight and flexible, while SOAP is more structured and standardized.
REST uses HTTP methods for communication, while SOAP uses XML messaging.
REST is better suited for mobile and web applications, while SOAP is better for enterprise-level applications.
REST is stateless, while SOAP can maintain state between requests.
REST is easier to implement and understand, while SOAP has a steep learning curve.
REST is mor
posted on 27 Aug 2021
I applied via LinkedIn and was interviewed in Jul 2021. There were 6 interview rounds.
Red-black tree is a self-balancing binary search tree with O(log n) complexity for insertion, deletion, and search.
Red-black tree is a type of binary search tree with additional properties to ensure balance.
It has two types of nodes - red and black - with specific rules for their placement.
The tree is balanced by performing rotations and color flips during insertion and deletion.
Complexity of insertion, deletion, and s...
MCQ 50 questions for half hour
OOPs concepts are fundamental principles of object-oriented programming, including inheritance, encapsulation, polymorphism, and abstraction.
Inheritance: Allows a class to inherit properties and behavior from another class. Example: Animal class can inherit from Mammal class.
Encapsulation: Bundling data and methods that operate on the data into a single unit. Example: Using private variables and public methods in a cla...
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