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public class JdbcTest { private Connection conn = null; private PreparedStatement pst = null; private ResultSet rs = null; @Before public void init() 阅读全文
posted @ 2017-08-04 15:25
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摘要:
触发器:监视器,监视表中记录,当对表中记录进行操作(增删改)触发器工作--行级触发器:for each row 使用:old, :new语法:create or replace trigger 触发器名称after|beforeinsert|update|deleteon 表名declarebegi 阅读全文
posted @ 2017-08-04 15:14
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