Member Technical Staff Software Interview Questions and Answers

Technical interview questions on SQL and database concepts.

• To update employee salary, use the UPDATE statement with SET clause and WHERE clause to specify the employee.

• A palindrome is a word or phrase that reads the same backward as forward. Write a function to check if a string is a palindrome.

• Normalization is the process of organizing data in a database to reduce redundancy and dependency.

• Views are virtual tables that display data from one or more tables in a database.

• ACID ...read more

Find all nodes at distance k from a given node in a binary tree.

• Use depth-first search to traverse the binary tree and keep track of the distance from the target node.

• When reaching the target node, start exploring its children at distance k.

• Consider using a queue to keep track of nodes at each level while traversing the tree.

The task is to expand a string with numbers into an array of strings.

• Split the string based on numbers

• Convert numbers to strings and add them to the array

• Handle special cases like consecutive numbers

Searching in a rotated array of strings

• Use binary search to find the pivot point where the array is rotated

• Divide the array into two subarrays and perform binary search on the appropriate subarray

• Handle cases where the target element is in the rotated part of the array