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I applied via Referral and was interviewed in Dec 2023. There were 2 interview rounds.
Joins are used to combine data from two or more tables based on a related column.
Inner Join: Returns only the matching rows from both tables.
Left Join: Returns all the rows from the left table and matching rows from the right table.
Right Join: Returns all the rows from the right table and matching rows from the left table.
Full Outer Join: Returns all the rows from both tables, with NULL values in the columns where ther...
Power BI supports three types of relationships: one-to-one, one-to-many, and many-to-many.
One-to-one: used when two tables have a unique relationship, such as a person and their social security number.
One-to-many: used when one record in the first table can have multiple matching records in the second table, such as a customer and their orders.
Many-to-many: used when multiple records in the first table can have multipl...
I applied via Naukri.com and was interviewed in Feb 2023. There were 2 interview rounds.
I applied via Naukri.com and was interviewed in Jul 2024. There was 1 interview round.
I applied via Referral and was interviewed in Sep 2023. There was 1 interview round.
Data Structures and Algorithms
Data Structures and Algorithms
I am a software developer with 5 years of experience in developing web applications using Java, JavaScript, and SQL.
5 years of experience in software development
Proficient in Java, JavaScript, and SQL
Developed web applications for various clients
Strong problem-solving skills
Excellent team player
As a Software Developer, my roles and responsibilities include designing, developing, testing, and maintaining software applications.
Designing and developing software applications based on client requirements
Testing and debugging code to ensure functionality and performance
Collaborating with team members to brainstorm and implement new features
Maintaining and updating existing software applications
Staying up-to-date wi
Bug lifecycle involves identification, reporting, fixing, retesting, and closing of software bugs.
Identification: Bug is identified by testers or users through testing or real-world usage.
Reporting: Bug is reported to developers with detailed information like steps to reproduce.
Fixing: Developers analyze and fix the bug in the code.
Retesting: Testers verify the fix to ensure the bug is resolved.
Closing: Bug is closed o
Find an odd occurring number among even occurring numbers.
Use XOR operation to cancel out even occurring numbers and get the odd occurring number.
Iterate through the array and XOR each element with the result variable.
The final result will be the odd occurring number.
Print the spiral order of a binary tree and matrix.
For binary tree, use level order traversal and alternate direction for each level.
For matrix, use four pointers to traverse in spiral order.
Example for binary tree: 1 -> 2 -> 3 -> 4 -> 5 -> 6 -> 7 -> 8 -> 9
Example for matrix: 1 2 3 4 -> 8 7 6 5 -> 9 10 11 12 -> 16 15 14 13
Finding pairs in an array with a given sum.
Iterate through the array and for each element, check if the difference between the given sum and the element exists in the array.
Use a hash table to store the elements of the array and their indices for faster lookup.
If there are multiple pairs with the same sum, return any one of them.
If no pair is found, return null or an empty array.
Find total number of k element with given avg in an array in minimum time complexity.
Use sliding window technique to traverse the array in O(n) time complexity.
Maintain a sum variable to keep track of the sum of elements in the window.
If the sum of elements in the window is equal to k times the given avg, increment the count.
Move the window by subtracting the first element and adding the next element in the array.
Printing non-boundary elements of a binary tree
Traverse the tree in any order (preorder, inorder, postorder)
Check if the current node is not a boundary node (not the first or last node in its level)
If it is not a boundary node, print its value
Recursively traverse its left and right subtrees
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