# Schema Builder

> Build database schemas with SQL generation and relationship modeling. Use when designing databases.

- Skill: `bytesagain/schema-builder` (Agent Skill, multi-file: 4 files)
- Install (CLI): `npx skillmds@latest add bytesagain/schema-builder`
- Raw SKILL.md: https://api.skillmd.com/api/skills/bytesagain/schema-builder/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Data & Analytics
- Author: bytesagain (https://skillmd.com/u/bytesagain)
- Updated: 2026-09-09
- Page: https://skillmd.com/skills/bytesagain/schema-builder

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# schema-builder

Build database schemas with SQL generation and relationship modeling. Use when designing databases.

## Commands

### `create`

```bash
scripts/script.sh create <table cols>
```

### `alter`

```bash
scripts/script.sh alter <table action col>
```

### `show`

```bash
scripts/script.sh show <table>
```

### `export`

```bash
scripts/script.sh export <format>
```

### `validate`

```bash
scripts/script.sh validate <file>
```

### `er`

```bash
scripts/script.sh er <t1 t2 relation>
```

## Data Storage

Data stored in `~/.local/share/schema-builder/`.

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