用Sql Server找出一天数据中从第一条数据开始每累加1小时的数据 -- ============================================= -- Author: Allen Cai -- Create date: 2018-07-20 15:59 -- ============================================= ALTER PROCEDURE PLMS_A_Logistics_Test AS BEGIN DECLARE @i INT;
In sharded clusters, if you do not use the _id field as the shard key, then your application must ensure the uniqueness of the values in the _id field to prevent errors. This is most-often done by using a standard auto-generated ObjectId. 在分片中,也要保证ob