Design data systems by understanding storage engines, replication, partitioning, transactions, and consistency models. Use when the user mentions "database choice", "which database should I use", "SQL or NoSQL", "replication lag", "partitioning strategy", "consistency vs availability", "stream processing", "ACID transactions", "eventual consistency", "my queries are slow at scale", or "data is…
Install
npx skills add wondelai/skills --skill ddia-systemsnpx skills add wondelai/skills --skill ddia-systems -a claude-code -gnpx skills add wondelai/skills --skill ddia-systems -a codex -ggemini skills install https://github.com/wondelai/skills.git --path ddia-systemsgh skill install wondelai/skills ddia-systemsgit clone --depth 1 https://github.com/wondelai/skills /tmp/wondelai__skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/wondelai__skills/ddia-systems ~/.claude/skills/ddia-systems # Claude Code
cp -R /tmp/wondelai__skills/ddia-systems ~/.agents/skills/ddia-systems # Codex, Cursor, Gemini CLI, Copilot, OpenCode