-- The date used for this example was November 12, 2023.DECLARE@DatetimeDATETIME;SET@Datetime=GETDATE();--yyyymmdd with 4 DIGIT YEARSELECTREPLACE(CONVERT(VARCHAR(10),@Datetime,112),'.',' ')CurrentDateFormattedAsText;--yymmdd with 2 DIGIT YEARSELECTREPLACE(CONVERT(VARCHAR(8),@Datetime,12),...
{ 8//获取配置文件中sql数据库名 9string dbName ="SqlDB"; 10string name = dbName + DateTime.Now.ToString("yyyyMMddHHmmss"); 11string procname; 12string sql; 13//创建连接对象 14 SqlConnection conn =new SqlConnection(GetConnStr()); 15 conn.Open(); //打开数据库连接 16//删除逻辑备份设备...
mysql在创建表时要为每个表指定一个存储引擎类型,而mssql只支持一种存储引擎 mysql不支持默认值为当前时间的datetime类型(mssql很容易做到),在mysql里面是用timestamp类型 mssql里面检查是否有这个表再删除,需要这样: if exists (select * from dbo.sysobjects where id = object_id(N'uc_newpm') and OBJECTPRO...
).ToString("yyyyMMddHHmmss"); //可以这样批量更新 session.CreateSql<PeopleFace>("alter table people_face_replica update extra_info=@ExtraInfo where captured_time <= @Time", new { ExtraInfo = newExtraInfo, Time = DateTime.Now }).Execute(); Thread.Sleep(100...
测试了 Oracle 和 DB2 上,都可以这样。...在之后的设计里,还使用过 YYYYMMDDHHmmSST 格式,其中的“T”指时区,加入时区,带来的影响有:日期时间字段就不能在使用数值来存储了,字符串比数字存储和检索的效率都要低。...总结一下,字段类型的选择,还是根据场景的需要来选择,从功能、效率要求、持续开发的要求、维护...
If you were to query the sysjobhistory (joined to sysjobs of course) this is what the raw data would look like. Note run_date appears to be in YYYYMMDD format but the time is a little trickier. It is in format HHMMSS and not always 6 numbers long as you can see in this example the...
newExtraInfo = DateTime.Now.AddYears(-1).ToString("yyyyMMddHHmmss"); //可以这样批量更新 session.CreateSql<PeopleFace>("alter table people_face_replica update extra_info=@ExtraInfo where captured_time <= @Time", new { ExtraInfo = newExtraInfo, Time = DateTime.Now }).Execute(); Thread.Sl...
newExtraInfo = DateTime.Now.AddYears(-1).ToString("yyyyMMddHHmmss"); //可以这样批量更新 session.Sql<PeopleFace>("alter table people_face_replica update extra_info=@ExtraInfo where captured_time <= @Time", new { ExtraInfo = newExtraInfo, Time = DateTime.Now }).Execute(); Thread.Sleep(...