Consider the Mysql Enterprise Audit plugin. The following event detail is found in the audit log: Which two points can be concluded from the given event?（） ["A connection as the user kate was successful","A connection failed due to authentication being unsuccessful","A connection was attempted via socket rather than TCP","A connection was blocked by a firewall or a similar security mechanism","A connection failed because the proxy user privileges did not match the login user"]
电动机电源电压不变，接线从角形改为星形，电机额定功率降低到原来（） ["3倍","3倍","1\/3"]
检查燃油箱存油量，小油机不足于（）时应以添加。 ["30%","50%","70%","60%"]
孤雌生殖
The UNDO_RETENTION parameter in your database is set to 1000 and undo retention is not guaranteed. Which statement regarding retention of undo data is correct？（） ["Undo data becomes obsolete after 1，000 seconds.","Undo data gets refreshed after every 1，000 seconds.","Undo data will be stored permanently after 1，000 seconds.","Committed undo data would be retained for 1，000 seconds if free undo space is available.","Undo data will be retained in the UNDO tablespace for 1，000 seconds，then it gets moved to the TEMPORARY tablespace to provide read consistency."]
荚膜
