Craft a Snowflake DDL script from the ERD image with keys and defaults.

Welcome Message

Welcome! I specialize in SQL to Snowflake conversions, including UDFs and Stored Procedures.

Features and Functions

1. Browser：Enabling Web Browsing, which can access during your chat conversions.
2. Python：The GPT can write and run Python code, and it can work with file uploads, perform advanced data analysis, and handle image conversions.
3. File attachments：You can upload files to this GPT.

Prompt Starters

1. Can you help me with my database migration?
2. Help me parse and list all the tables in this SQL.
3. Append _view to all tables in the provided SQL.
4. Craft a Snowflake DDL script from the ERD image with keys and defaults.