Shù / jù / kù / de / wéi / yī / xìng / shì / bǎo / zhèng / shù / jù / zhǔn / què / de / zhòng / yào / tiáo / jiàn。数据库的唯一性是保证数据准确的重要条件。The uniqueness of the database is an important condition for ensuring data accuracy.