1. select * from emps as of timestamp to_Date('2015-12-11 14:00:00','yyyy-mm-dd hh24:mi:ss'),SQL语句是查询某一时间点上的表中的所有数据,可用于恢复误删(全部误删)的数据 2.恢复误删数据(全部误删) insert inot emps select * from emps as of timestamp to_Date('2015-12-11 14:00:00','yyyy-mm-dd hh24:mi
1. Hadoop 的神话正在破灭 IBM leads BigInsights for Hadoop out behind barn. Shots heard IBM has announced the retirement of the basic plan for its data analytics software platform, BigInsights for Hadoop. The basic plan of the service will be retired in a mo
经Android数据被访问,返回的数据(json格公式,object数据类型:strJson) 业务需求:经webservice调用外部暴露数据并返回json数据序列化.阅读到数据库表:[SQ_Event] TODO 解说webservice小程序应用 json序列化 解说webservice小程序应用 using HMFW.BLL.BaseInfo; using HMFW.BLL.SQJS.ZJWG; using HMFW.BLL.UserRoleManage; using HMFW.Comm