“MySQL”

Database migration best practices for schema changes, data migrations, rollbacks, and zero-downtime deployments across PostgreSQL, MySQL, and common ORMs…

Query external databases (PostgreSQL, MySQL, SQL Server, Snowflake, BigQuery) directly from Databricks using Lakehouse Federation.

Query optimization, indexing strategies, and database performance tuning for PostgreSQL and MySQL

Java 八股文复习技能。从所有题库篇章中随机抽选题目进行复习，支持每日混合复习、按篇章复习、薄弱题强化。题库覆盖：Java 基础、集合框架、并发编程、JVM、Redis、MySQL、Spring 共 7 大板块 454 题。使用场景：(1) 开始每日复习 (2) 随机抽选题目 (3) 专项突破 (4) 薄弱题强化。

Setup backend project with Flyway SQL migrations, tini init system, and MySQL integration testing.

This skill should be used when the user wants to add a database (Postgres, Redis, MySQL, MongoDB), says "add postgres", "add redis", "add database", "connect…

Vitess best practices, query optimization, and connection troubleshooting for PlanetScale Vitess databases.

Use when deploying a database to Zeabur.

Set up Prisma ORM in an application, connect its database, or troubleshoot the connection of an existing Prisma 6, 7, or 8 app.

Use when the user has tabular data (pandas DataFrame, parquet, csv, Arrow, json) and wants to filter, group, aggregate, join, or speed up slow pandas.

Execute read-only SQL queries against multiple Microsoft SQL Server databases.

PostgreSQL schema design, query tuning, and comprehensive SQLSTATE error debugging via Laravel 11 migrations and Eloquent.

Generates production-ready docker-compose.yml and Dockerfile(s) for a project by scanning its manifest files (package.json, pyproject.toml, Gemfile, go.mod…

Review or write a database schema migration with production safety as the bar, checking locks, table rewrites, backfills, expand-contract deploy order, index…

Creates a complete Amazon Aurora database cluster with instances, handling cluster creation, instance provisioning, and Secrets Manager password management in…

Designs relational and document database schemas from requirements or an existing app - tables and collections, keys, relationships, constraints, indexes…

Use when running commands inside a Zeabur service container.

Patterns and best practices for LakeFlow Connect — Databricks native managed ingestion for streaming data from SaaS applications and databases into Unity…

How I write Fastify plugins — fastify-plugin wrapper, idempotency guard, decorator pattern, withX() helper for TS narrowing, module augmentation.

Fuzzy or regex search databases in Archery cached catalog with instance info.

Implement Better Auth (better-auth.com) — the framework-agnostic TypeScript authentication library — across ANY stack: Next.js, SvelteKit, Nuxt, SolidStart…

Expert guidance for Drizzle ORM and drizzle-kit, covering the v1.0.0-beta (RQBv2, defineRelations, new migration folder structure, consolidated validators)…

World-class backend engineering - distributed systems, database architecture, API design, and the battle scars from scaling systems that handle millions of…

Database design specialist for schema modeling, query optimization, indexing strategies, and data integrityUse when "database design, schema, indexes, query…