invisible index
An index that is maintained by DML operations, but is not used by default by the optimizer. Making an index invisible is an alternative to making it unusable or dropping it.
An index that is maintained by DML operations, but is not used by default by the optimizer. Making an index invisible is an alternative to making it unusable or dropping it.
来自 “ ITPUB博客 ” ，链接：https://blog.itpub.net/29196873/viewspace-1098201/ ，如需转载，请注明出处，否则将追究法律责任。
请登录后发表评论
登录
全部评论
