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I applied via Naukri.com and was interviewed in Jul 2023. There were 3 interview rounds.
Chargeback rights and case study
Chargeback case study
I applied via Naukri.com and was interviewed before Jun 2020. There were 5 interview rounds.
I applied via Campus Placement and was interviewed before Sep 2021. There were 4 interview rounds.
Math and verbal round .
General topics to speak
Implement a function to find duplicates in an array of strings using Hashmap.
Create a Hashmap to store the frequency of each string in the array
Iterate through the array and check if the frequency of any string is greater than 1
If yes, add it to the list of duplicates
Return the list of duplicates
I was interviewed before Mar 2021.
Round duration - 60 minutes
Round difficulty - Easy
This was a technical round with questions on DBMS.
Data integrity refers to the accuracy, consistency, and reliability of data throughout its lifecycle.
Data integrity ensures that data is accurate and consistent in storage and transmission.
It involves maintaining the quality and reliability of data over time.
Methods for ensuring data integrity include checksums, encryption, and error detection codes.
Examples of data integrity violations include data corruption, unautho
A trigger is a special type of stored procedure that automatically executes when certain events occur in a database.
Triggers are used to enforce business rules, maintain data integrity, and automate repetitive tasks.
They can be triggered by INSERT, UPDATE, or DELETE operations on a table.
Examples of triggers include auditing changes to a table, updating related tables when a record is modified, or enforcing referential
Clustered indexes physically order the data in the table, while non-clustered indexes do not.
Clustered indexes determine the physical order of data in the table, while non-clustered indexes do not.
A table can have only one clustered index, but multiple non-clustered indexes.
Clustered indexes are faster for retrieval of data, especially range queries, compared to non-clustered indexes.
Non-clustered indexes are stored se...
Round duration - 60 minutes
Round difficulty - Easy
Technical interview round with questions on DBMS.
UNION combines and removes duplicates, UNION ALL combines without removing duplicates.
UNION merges the result sets of two or more SELECT statements and removes duplicates.
UNION ALL merges the result sets of two or more SELECT statements without removing duplicates.
UNION is slower than UNION ALL as it involves removing duplicates.
Example: SELECT column1 FROM table1 UNION SELECT column1 FROM table2;
Example: SELECT column...
A cursor in PL/SQL is used to retrieve and process multiple rows of data one at a time.
Allows iteration over a result set
Retrieves data row by row
Can be used to update or delete rows in a table
Must be declared, opened, fetched, and closed
SQL query to fetch the nth highest salary from a table
Use the ORDER BY clause to sort salaries in descending order
Use the LIMIT clause to fetch the nth highest salary
Round duration - 30 minutes
Round difficulty - Easy
This was a managerial round with typical behavioral problems.
Tip 1 : Since this was a SQL post, I would suggest you to get the basics intact and try practicing few queries.
Tip 2 : Must do Previously asked Interview as well as Online Test Questions.
Tip 3 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.
I applied via Naukri.com and was interviewed in Apr 2020. There were 5 interview rounds.
Success is achieving one's goals and feeling fulfilled in the process.
Success is subjective and varies from person to person.
It can be achieving a personal or professional goal.
Success can also be measured by the impact one has on others.
Feeling fulfilled and content is a key component of success.
Success is not always about material possessions or wealth.
I applied via Naukri.com and was interviewed before May 2020. There were 5 interview rounds.
I applied via Approached by Company and was interviewed before Jun 2021. There were 2 interview rounds.
Frameworks provide structure and pre-built components for software development, but can also limit flexibility and require learning curve.
Advantage: Provides structure and pre-built components for faster development
Advantage: Can improve code quality and maintainability
Disadvantage: Can limit flexibility and customization
Disadvantage: Requires learning curve and potential dependency issues
Example: ReactJS provides a fr...
Oops stands for Object-Oriented Programming. It is a programming paradigm that uses objects to represent real-world entities.
Advantages: code reusability, modularity, encapsulation, inheritance, polymorphism
Disadvantages: complexity, steep learning curve, performance overhead
Example: creating a class 'Car' with properties like 'make', 'model', and 'year', and methods like 'start_engine' and 'stop_engine'
I applied via Naukri.com and was interviewed before Oct 2019. There was 1 interview round.
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