In your role as a database designer, look for the most efficient way to organize your schemas, tables, and columns. 在您作为数据库设计者的角色中，寻找最有效的方式来组织模式、表和列。As when tuning application code, you minimize I/O, keep related items together, and plan ahead so that performance stays high as the data volume increases. 与优化应用程序代码时一样，您可以最小化I/O，将相关项放在一起，并提前计划，以便在数据量增加时保持较高的性能。Starting with an efficient database design makes it easier for team members to write high-performing application code, and makes the database likely to endure as applications evolve and are rewritten.从高效的数据库设计开始，可以让团队成员更容易地编写高性能的应用程序代码，并使数据库能够随着应用程序的发展和重写而持久。