oracle 12c的Data guard中將廢棄使用using current logfile
Wed Apr 27 14:57:39 2016Media Recovery Waiting for thread 1 sequence 2287 (in transit)Completed: alter database recover ...
[ 檢視更多... ]
大資料開發之資料倉庫Hive學習介紹
Hive的資料基於HDFS進行儲存,查詢計劃被轉化為MapReduce任務,在Hadoop中執行...
[ 檢視更多... ]