# DB Writer

The **DB Writer** task is used to write data into relational and analytical databases. Supported targets are: **MySQL, MSSQL, Oracle, ClickHouse, Snowflake, PostgreSQL, and Redshift**.

### Configuring the Meta Information Tab Fields

To configure the DB Writer:

1. **Drag** the **DB Writer** task to the Workspace.
2. **Click** on the task to open the related configuration tabs.
3. The **Meta Information** tab opens by default. Configure the following fields:

| Field                | Description                                                                                                                    |
| -------------------- | ------------------------------------------------------------------------------------------------------------------------------ |
| **Host IP Address**  | Enter the Host IP Address for the selected driver.                                                                             |
| **Port**             | Enter the port for the given IP Address.                                                                                       |
| **Database name**    | Enter the name of the target database.                                                                                         |
| **Table name**       | Provide a single table name or multiple table names. If multiple tables are required, enter the names separated by commas (,). |
| **User name**        | Enter the user name for the target database.                                                                                   |
| **Password**         | Enter the password for the target database.                                                                                    |
| **Driver**           | Select the driver from the drop-down. Supported drivers: MySQL, MSSQL, Oracle, ClickHouse, Snowflake, PostgreSQL, Redshift.    |
| **Schema File Name** | Upload a Spark schema file in JSON format.                                                                                     |
| **Save Mode**        | Select the save mode from the drop-down. Options: **Append** or **Overwrite**.                                                 |
| **Query**            | Provide the **CREATE TABLE (DDL)** query.                                                                                      |


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