8. Scenario: You want to change the column name of an existing table. However, the table has NOT been created in production yet. What should you do? Commit the migration to create a new table in development. Rollback to the migration file right before creating the table, then update the file and commit it again in development. Create a new migration file to delete the existing table, create the table again in another new migration file, then commit it to production. Create another migration file to change the table, then commit it to production. 9. True or False: You should always try to look to use N+1 queries. True False const sql1 = "SELECT * FROM nail_polishes WHERE color = 'Blue"; const bluePolishes = await run(sqli); if (bluePolishes.llength) \{ let blueNails = []; for (let polish of bluePolishes) \{ const sql2 = 'SELECT * FROM nails WHERE polish_id = ${ fpolish.id }; const nails = await run(sql2); blueNails = blueNails._oncat(nails); \} 10. Is the code above executing N+1 queries? Yes, the code is executing N+1 queries. No, the code is NOT executing N+1 queries