标签:
查询第一条数据
select * from tableName where rownum <= 1
修改列名:
ALTER TABLE BD_PRI RENAME COLUMN EU_PRIMD TO CODE
修改列类型:
ALTER TABLE TableName MODIFY(CODE VARCHAR(20))
Oracle用法集锦
原文地址:http://www.cnblogs.com/yank/p/4701289.html