1. What is API? 2. What do you mean by Data Integration? 3. Basic SQL Queries 4. Java fundamental questions

Question

Accepted Answer

API is a set of rules and protocols that allows different software applications to communicate with each other. Data Integration is the process of combining data from different sources into a single, unified view.

API stands for Application Programming Interface and allows different software applications to communicate with each other.
Data Integration involves combining data from different sources to provide a unified view.
Basic SQL queries include SELECT, INSERT, UPDATE, and DELETE.
Java fundamental questions may include concepts like OOP, data structures, and algorithms.