开启数据库归档模式的命令是()
A.alter database archivelog enable B.alter database archivelog C.alter database enable archivelog D.alter system enable archivelog mode正确答案B
开启数据库归档模式的命令是()
A.alter database archivelog enable B.alter database archivelog C.alter database enable archivelog D.alter system enable archivelog mode正确答案B