convert to datetime

This article mainly introduces the datetime module in the python time module. The interface of the datetime module is more intuitive and easier to call, if you want to know about the datetime module, you can refer to Python to provide multiple built-

// When you make reports or queries, You can preset optional date ranges (for example) for users) // Such as annual sales, quarterly profit, new customers this month // The built-in datetime in C # can basically implement these functions.

C # common Datetime skills, C # common skills // TodayDateTime. Now. Date. tow.datestring ();// Subtract one from yesterday, that is, today's dateDateTime. Now. AddDays (-1). tow.datestring ();// Tomorrow, similarly, add oneDateTime. Now. AddDays (1)

// When you make reports or queries, You can preset optional date ranges (for example) for users) // Such as annual sales, quarterly profit, new customers this month // The built-in datetime in C # can basically implement these functions.

Convert (, 120) 100 or 0 mon dd yyyy hh: miam (or PM) 101mm/DD/yy 102 yy. mm. DD 103 dd/mm/yy 104 DD. mm. YY 105 DD-mm-yy 106 dd mon YY 107 mon DD, YY 108 hh: mm: SS 109 or 9 Mon dd yyyy hh: MI: SS: mmmam (or pm) 110mm-dd-yy 111 YY/MM/DD 112 yymmdd 1

// Today Datetime. Now. Date. tow.datestring (); // Yesterday, that is, one minus today's date Datetime. Now. adddays (-1). tow.datestring (); // Tomorrow, similarly, add one Datetime. Now. adddays (1). tow.datestring (); // This Week (

// When you make reports or queries, You can preset optional date ranges (for example) for users) // Such as annual sales, quarterly profit, new customers this month // The built-in datetime in C # can basically implement these functions.

In SQL Server, I often need to perform some time-type field conversions, but I don't quite remember it. So I collected the following sqlserverconvert datetime-related materials and posted them on my site, it is convenient for you to search for it

First, review the syntax format of CONVERT (): convert ([length], [, Style]) Second, here pay attention to the meaning of style: style is the conversion of datatime and smalldatetime data to a string by the SQL Server system provided by the

CONVERT (Data_type,expression[,style])CONVERT (varchar (10), field name, conversion format)DescriptionThis style is typically in the time type (Datetime,smalldatetime) and the string type (Nchar,nvarchar,char,varchar)It is only used when converting