Nail Your Next Job Interview with These Top Questions and Answers | aihirely

Mysql interview questions

07 Jan, 2025

MySQL Interview Questions

In MySQL, joins are used to combine rows from two or more tables based on a related column between them. There are several types of joins, each serving different purposes:

Array interview questions

07 Jan, 2025

Top Array Interview Questions and Answers for 2025

A multi-dimensional array is an array that contains more than one index or dimension to store data. Unlike a one-dimensional array (which is essentially a list of elements), multi-dimensional arrays allow for the storage of data in a grid or matrix-like structure. They are often used to represent more complex data, such as tables, matrices, or even spatial data in scientific computing.

Array interview questions

07 Jan, 2025

Top Array Interview Questions and Answers

Rotating an array means shifting its elements in a circular manner, either to the left or to the right. There are different ways to perform this operation, and the exact method depends on whether you're rotating to the left or the right.

Array interview questions

07 Jan, 2025

Top Array Interview Questions and Answers（2024）

Removing duplicates from an array can be done in several ways, depending on the programming language and the desired efficiency. Below are common methods for removing duplicates:

Array interview questions

07 Jan, 2025

Top Array Interview Questions and Answers（2025）

The time complexity of insertion and deletion operations in an array depends on the location where the operation is performed (beginning, middle, or end of the array) and the underlying data structure. Let's break this down:

Array interview questions

07 Jan, 2025

Top Array Interview Questions(2025)

The time complexity of accessing an element in an array is O(1), also known as constant time.

Array interview questions

07 Jan, 2025

Top Array Interview Questions(2024)

To merge two arrays, you can simply concatenate them into a single array. Depending on the programming language, this can be done using built-in functions or manual iteration.

Array interview questions

07 Jan, 2025

Top Array Interview Questions

Arrays are fundamental data structures used to store collections of elements. Depending on how the elements are organized and accessed, arrays can be classified into various types. Below are the most common types of arrays in programming:

C++ interview questions

07 Jan, 2025

Top C Interview Questions(2024)

In C, both `struct` and `union` are used to group different data types together under a single name, but they differ significantly in terms of memory allocation and usage. Here are the key differences between `struct` and `union`:

Get Started with the Best AI Interview Assistant

Unlock your full potential with AIhirely! Start today and let the best AI job interview assistant help you practice, refine, and succeed.

Get Started Now