For easier handling, the script is split into four files:

• nw_schema - CREATE statements
• nw_data - INSERT statements for all tables expect orderdetails
• nw_orderdetail_data - INSERT statements for orderdetails
• add_regions.sql - replaces null values in Region attributes by appropriate values

• Tables are slightly renamed.
• The Category and Employee tables come without the pictures.
• Orderdetail has got a new primary key.
• Database engine is InnoDB.
• Foreign keys are declared.
• Dates in SalesOrder and Employee tables are updated to more recent years.
• A sql script is provided that adds values to region attributes in SalesOrder, Customer, and Supplier tables.

The data come from https://documentation.alphasoftware.com/pages/GettingStarted/GettingStartedTutorials/Basic%20Tutorials/Northwind/northwindMySQL.xml

The script adding region values is adapted from https://github.com/jpwhite3/northwind-SQLite3/blob/master/Northwind.Sqlite3.update.sql