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param db is not requied in import sql from 2091 #1095

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30 changes: 14 additions & 16 deletions src/UserGuide/Master/Table/Tools-System/Data-Import-Tool_apache.md
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Expand Up @@ -41,22 +41,20 @@ IoTDB supports three methods for data import:
## 2. Data Import Tool
### 2.1 Common Parameters

| Short | Full Parameter | Description | Required | Default |
| ------------- | -------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ----------------- |---------------------------------------------|
| `-ft` | `--file_type` | File type: `csv`, `sql`, `tsfile`. | ​**Yes** | - |
| `-h` | `--host` | IoTDB server hostname. | No | `127.0.0.1` |
| `-p` | `--port` | IoTDB server port. | No | `6667` |
| `-u` | `--username` | Username. | No | `root` |
| `-pw` | `--password` | Password. | No | `root` |
|
|`-sql_dialect`|`--sql_dialect`|Select server model : tree or table | No | `tree` |
|` -db `|`--database` |​Target database , applies only to `-sql_dialect=table` |Yes when `-sql_dialect = table` | - |
|`-table` |`--table `|Target table , required for CSV imports in table model | No | - |
|
| `-s` | `--source` | Local path to the file/directory to import. ​​**Supported formats**​: CSV, SQL, TsFile. Unsupported formats trigger error: `The file name must end with "csv", "sql", or "tsfile"!` | ​**Yes** | - |
| `-tn` | `--thread_num` | Maximum parallel threads | No | `8` <br> Range: 0 to Integer.Max(2147483647). |
| `-tz` | `--timezone` | Timezone (e.g., `+08:00`, `-01:00`). | No | System default |
| `-help` | `--help` | Display help (general or format-specific: `-help csv`). | No | - |
| Short | Full Parameter | Description | Required | Default |
| ------------- | -------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------|
| `-ft` | `--file_type` | File type: `csv`, `sql`, `tsfile`. | ​**Yes** | - |
| `-h` | `--host` | IoTDB server hostname. | No | `127.0.0.1` |
| `-p` | `--port` | IoTDB server port. | No | `6667` |
| `-u` | `--username` | Username. | No | `root` |
| `-pw` | `--password` | Password. | No | `root` |
|`-sql_dialect`|`--sql_dialect`|Select server model : tree or table | No | `tree` |
|` -db `|`--database` |​Target database , applies only to `-sql_dialect=table` | Yes when `-sql_dialect = table`;<br>Starting from version V2.0.9‑beta, this parameter is optional when the file format is SQL. A prompt will be issued if the target database is not explicitly specified in either the parameter or the SQL statement. | - |
|`-table` |`--table `|Target table , required for CSV imports in table model | No | - |
| `-s` | `--source` | Local path to the file/directory to import. ​​**Supported formats**​: CSV, SQL, TsFile. Unsupported formats trigger error: `The file name must end with "csv", "sql", or "tsfile"!` | ​**Yes** | - |
| `-tn` | `--thread_num` | Maximum parallel threads | No | `8` <br> Range: 0 to Integer.Max(2147483647). |
| `-tz` | `--timezone` | Timezone (e.g., `+08:00`, `-01:00`). | No | System default |
| `-help` | `--help` | Display help (general or format-specific: `-help csv`). | No | - |

### 2.2 CSV Format

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