This announcement details a book giveaway sponsored by Tsinghua University Press and presents a comprehensive SQL learning curriculum covering SQLite, MySQL, query fundamentals, subqueries, joins, and advanced database features, complete with micro‑lecture videos and hands‑on exercises.
This comprehensive guide introduces MongoDB, explains NoSQL classifications, walks through Windows and Linux installations, demonstrates using the Robo 3T GUI, and covers essential CRUD operations, queries, indexing, sorting, counting, and data deduplication with clear code examples and screenshots.
This article provides a beginner‑friendly, step‑by‑step tutorial on common SQL operations—including GROUP BY aggregation, JOIN types, CASE WHEN expressions, and useful built‑in functions—illustrated with clear examples, typical pitfalls, and ready‑to‑use code snippets.
This tutorial walks you through logging into Navicat, creating a MySQL database, designing a table with fields and a primary key, inserting sample data, and running a simple SELECT query, all illustrated with screenshots for clear, hands‑on learning.
This guide walks through installing and using four Python‑compatible databases—SQLite, MySQL, LMDB, and LevelDB—covering environment setup, core APIs, common CRUD patterns, and complete runnable examples to help developers choose and operate each storage engine effectively.
This article walks through the fundamentals of SQL Server, covering installation, core SQL concepts, DML and DDL commands, and detailed examples of SELECT, INSERT, UPDATE, and DELETE statements with accompanying syntax illustrations to help beginners master relational database operations.
