mysql|oracle This is my comparison of installing and getting started with Oracle 10g, PostgreSQL 8 and MySQL 5. This is what I consider the comparison of state of the art for three categories of DB: Commercial vs. Academe vs.
oracle|語句 1、查看錶空間的名稱及大小 select t.tablespace_name, round(sum(bytes/(1024*1024)),0) ts_size from dba_tablespaces t, dba_data_files d where t.tablespace_name = d.tablespace_name group by t.tablespace_name; 2、查看錶空間物理檔案的名稱及大小
oracle --oracle 最新發行的安全警告!The patches listed in the Patch Availability Matrix fix the potential vulnerabilities identified in Oracle Security Alert #68. Future releases of the products affected will contain the fixes by
oracle|錯誤 ORA-01650:unable to extend rollback segment NAME by NUM intablespace NAME 產生原因:上述ORACLE錯誤為復原段資料表空間不足引起的,這也是ORACLE資料管理員最常見的ORACLE錯誤資訊。當使用者在做一個非常龐大的資料操作導致現有復原段的不足,使可分配用的復原段資料表空間已滿,無法再進行分配,就會出現上述的錯誤。 ORA-01652:unable
oracle|server|建立 1. rwserver -install rep012. In “Service”, start the rep01 server to create the conf file.3. Open <oracle_home>\reports\conf\rep01.conf4. Add path infomation , env infomation, such as