SQL
Installation
SKILL.md
SQL
Master relational databases from the command line. Covers SQLite, PostgreSQL, MySQL, and SQL Server with battle-tested patterns for schema design, querying, migrations, and operations.
When to Use
Working with relational databases—designing schemas, writing queries, building migrations, optimizing performance, or managing backups. Applies to SQLite, PostgreSQL, MySQL, and SQL Server.
Quick Reference
| Topic | File |
|---|---|
| Query patterns | patterns.md |
| Schema design | schemas.md |
| Operations | operations.md |