Oracle 支持的 2 种事务隔离级别 Read committed , Serializable
来自 oracle 官方网站的 Read committed , Serializable 的解释
2 者的区别也是来自官方网站
summarizes key differences between read committed and serializable transactions in Oracle.
Table 13-2 Read Committed and Serializable Transactions
上面的 2 个表来自 http://download-/docs/cd/B19306_01/server.102/b14220/consist.htm