###  Description

The `CREATE SCHEMA` statement is designed to create a new data schema (SCHEMA). By defining the schema name and optional descriptive comments, users can construct a new logical data grouping within the data management system, thereby achieving orderly organization and efficient management of data.

### Syntax 
```Plaintext
CREATE SCHEMA [ IF NOT EXISTS ] schema_name [ COMMENT 'comment' ];
```
### Parameter Details

- `schema_name`: Specifies the name of the newly created schema.
- `IF NOT EXISTS`: Optional parameter to prevent errors if the schema already exists.
- `COMMENT`: Adds a descriptive comment to the new schema to help understand its purpose and content.

###  Example

1. Create a new schema named `customer_data` and add the comment "Customer related data":
```SQL
CREATE SCHEMA customer_data COMMENT 'Customer related data';
```

2. To avoid errors caused by the data schema already existing, you can use the `IF NOT EXISTS` parameter:

```SQL
CREATE SCHEMA IF NOT EXISTS sales_data COMMENT 'Sales related data';
```
3. Create a data schema with Chinese comments:
```SQL
CREATE SCHEMA financial_data COMMENT 'Financial Data';
```
### Permission Requirements

The user executing the `CREATE SCHEMA` statement must have the permission to create a schema. Specifically, the user needs to obtain the corresponding permission points to ensure the successful execution of this operation.