https://www.better-auth.com/docs/concepts/database#custom-table-names ```js export const auth = betterAuth({ user: { modelName: "users", fields: { name: "full_name", email: "email_address", }, }, session: { modelName: "user_sessions", fields: { userId: "user_id", }, }, }); ``` ```modelName``` triggers a change in table name but ```fields``` doesn't for columns.