Database objects

Oracle Database Objects
Object Describtion
Table Basic unit of storage;Composed of rows
View Logically represents subsets of data from one or more tables
Sequence Generates numeric values
Index Imporves the performance of some queries
Synonym Gives alternative name to an object
posted @ 2013-04-11 11:54  ArcerZhang  阅读(187)  评论(2编辑  收藏  举报