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Chiner · Zesheng Tools

Chiner

Database Tools

Online

ER diagrams with Mermaid and exportable SQL drafts for schema design.

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Chiner / 数据库建模：用 Mermaid ER 图描述表结构，并生成简易 SQL 草稿（本地处理）。

Mermaid erDiagram

SQL 草稿

CREATE TABLE o (
  ORDER :,
  USER {,
  int id PRIMARY KEY,
  string email,
  string name
);

CREATE TABLE order (
  int id PRIMARY KEY,
  int user_id,
  decimal total,
  datetime created_at
);

Overview

Runs entirely in your browser.

Other tools in this category

External

drawDB

Simple schema designer that exports SQL for several databases.

External

Redis Playground

Official Redis browser sandbox for learning commands and testing data structures interactively.

Online

SQL formatter

Format or minify SQL statements with keyword-aware line breaks.

Online

SQL online test

Run SQL against an in-browser SQLite database powered by sql.js.

Online

Redis online test

Practice Redis commands in an in-browser memory simulator.

Online

SQL online IDE

Run SQL against in-browser SQLite (same engine as SQL online test).

External

SQLime

Run SQLite in the browser with shareable links and simple charts.