日期:2014-05-16 浏览次数:20422 次
DB2数据库:
索引字典表:SYSCAT.INDEXES
索引类型字段:UNIQUERULE?
??? 索引类型字段可能值:
??? D = means duplicate allowed
??? P = means primary index
??? U = means unique index?
?
Oracle数据库:
索引字典表:user_indexes
索引类型字段:UNIQUENESS?
??? 索引类型字段可能值:
??? UNIQUE = 唯一索引
??? NONUNIQUE = 非唯一索引