2026年3月

Virtualization & Containers

What Is Kubernetes? Definition, How It Works, and Use Cases

What Is Kubernetes? Kubernetes (often abbreviated as K8s) is an open-source container orchestration platform that automates the deployment, scaling, and management of containerized applications. Originally developed by Google, it is now maintained and governed by the Cloud Native Computing Foundation (CNCF). Kubernetes provides a unified platform for deploying and managing containerized workloads across multiple servers,...

RDB & SQL

What is SQL (Structured Query Language)? | Guide to Database Query Language

What is SQL (Structured Query Language)? SQL (Structured Query Language) is the standard programming language for managing, manipulating, and querying relational databases. It enables users to perform critical database operations including data retrieval, insertion, updating, and deletion. SQL serves as the foundation for data management across virtually all modern database systems and remains one of...