select count(*) from atzserreportb drop snapshot atzserreportb Create snapshot atzserreportb as select * from [email protected]_Online; Alter snapshot atzserreportb refresh fast Start with sysdate+1/(24*60) next sysdate+10/(24*60); SELECT NAME,LAST_REFRESH FROM ALL_SNAPSHOT_REFRESH_TIMES; select last_date,next_date,what from user_jobs order by next_date;
create public database link 链路名 connect to 用户 identified by 口令 using ‘连接字符串‘;
oracle 快照
时间: 2024-10-09 14:47:37