# generateTestData

> Command: `generateTestData`  
> Category: **System Tools**  
> Status: Production Ready

## Description

Generate realistic sample data for a table and output it as SQL, CSV, or JSON.

## Syntax

```bash
hana-cli generateTestData [options]
```

## Command Diagram

```mermaid
    graph TD
        Start([hana-cli generateTestData]) --> Inputs[Read table, rows, format options]
        Inputs --> Introspect[Read target table structure]
        Introspect --> Generate[Generate synthetic rows]
        Generate --> Format{Output format}
        Format -->|sql| SQL[Generate INSERT statements]
        Format -->|csv| CSV[Generate CSV]
        Format -->|json| JSON[Generate JSON]
        SQL --> Output[Write file or print]
        CSV --> Output
        JSON --> Output
        Output --> Complete([Command Complete])

        style Start fill:#0092d1
        style Complete fill:#2ecc71
        style Format fill:#f39c12
```

## Aliases

- `testdata`
- `gendata`
- `generateData`

## Parameters

For a complete list of parameters and options, use:

```bash
hana-cli generateTestData --help
```

### Options

| Option | Alias | Type | Default | Description |
|--------|-------|------|---------|-------------|
| `--table` | `-t` | string | - | Target table name |
| `--schema` | `-s` | string | - | Schema name |
| `--rows` | `-r` | number | `100` | Number of rows to generate |
| `--locale` | `-l` | string | `en` | Locale for generated values |
| `--seed` | `-sd` | number | - | Random seed for reproducibility |
| `--format` | `-f` | string | `sql` | Output format. Choices: `sql`, `csv`, `json` |
| `--output` | `-o` | string | - | Output file path |
| `--realistic` | `-x` | boolean | `true` | Generate realistic values |
| `--includeRelations` | `-rel` | boolean | `true` | Include relation-aware generation |
| `--dryRun` | `-dr` | boolean | `false` | Dry-run mode |
| `--profile` | `-p` | string | - | Connection profile |

## Examples

### Basic Usage

```bash
hana-cli generateTestData --table MY_TABLE --rows 100 --format sql
```

Generate sample rows and output SQL insert statements.

## Related Commands

See the [Commands Reference](../all-commands.md) for other commands in this category.

## See Also

- [Category: System Tools](..)
- [All Commands A-Z](../all-commands.md)