摘要:
第一节课:启动数据库并且使用特定用户连接:su - oracle;启动sqlplus并且使用sys连接:conn / as sysdba;启动数据库:startup;解锁用户:alter user hr identified by hr;alter user hr account unlock;使用hr连接:conn hr/hr;select * from tab;desc employees;select * from departments;开发工具:plsql developer;toad特殊字符:SELECT department_name || q'[ Department& 阅读全文
posted @ 2013-11-02 19:18
逝者如斯(乎)
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