Maclean Liu(刘相兵 发表于 2012-1-7 00:59:13

Oracle Indexes: Tips, Tricks and Traps

Myth: PK and Unique Constraint Index Must beUnique•Common misperception that the underliningindex in a PK/Unique constraint must be unique
•A non-unique index can police any PK/Uniqueconstraint
•A non-unique index must police any PK/Unique constraint that is:
–Deferrable
–No validated


baobao219 发表于 2012-1-10 09:39:06

下载一个看看，这个是谁写的ppt了

zhuqibs 发表于 2012-1-11 15:55:44

下载下来看看，是否是自己的知识盲点
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