For instance, a Decimal column in AppSheet can be a Decimal or a Float column in SQL, but AppSheet will choose the Decimal SQL column type by default. As such, the SQL data types that AppSheet select for columns in your SQL tables are only "educated guesses" based on their corresponding data types in AppSheet. There is no one-to-one mapping between SQL data types and AppSheet data types.Also, AppSheet will not create foreign key constraints for references between AppSheet tables. Since AppSheet has no knowledge of the design of your database, we are unable to create foreign keys to link the new tables with existing tables.However, these names tend to be long since we need to avoid duplicate table names that already exist in the database. AppSheet will auto-generate the names of the tables.There are a few important things to keep in mind: Once you have selected a database, click Copy app and AppSheet will automatically copy all of the tables in your app to the database. Also, make sure the setting Make a copy of the data for the new app and Make a copy of the file data (eg: images) for the new app are enabled. Note the database must be an existing data source in your account. In the dialog box, select the desired database as the destination where the cloned app will be created. In the app editor, navigate to Manage > Author and click Copy App. This feature is currently supported for the following database types: SQL Server, MySQL, MariaDB, and PostgreSQL. If you have an existing app that uses data stored in a cloud storage provider such as GDrive, and you want to move the app to a SQL database, you can do so by copying the app in the app editor.
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