摘要:
SQL SERVER 中TOP 语句在ORACLE SQL如何写? SQL SERVER: SELECT TOP 1 * FROM USERINFO ORDER BY CREATEDATE ASC ORACLE: SELECT * FROM USERINFO WHERE ROWNUM<2 ORDER 阅读全文
摘要:
添加注释comment on column 表名.字段名 is '注释内容';comment on column OPERATOR_INFO.MAIN_OPER_ID is '归属操作员'; comment on table 表名 is '注释内容';comment on table OPERATO 阅读全文