datetime iso8601

Reference Links:https://technet.microsoft.com/zh-cn/library/aa997624 (v=exchg.150).

SimpleDateFormat Joda-Time Apache-DateUtils parses the similarities and differences between ISO8601 date strings, jodatime Put the following code directly: Import part:1 1 import java. util. date; 2 2 import java. text. simpleDateFormat; 3 3 import

Convert iso8601 format to datetime object This is mainly used for the static method of DateTime ParseExact (string s, string format, System.iformatprovider provider) Copy Code code as follows: $dateTimeStr = ' 20141231t23:59:59 '

Copy Code code as follows: Import Sqlite3 conn = Sqlite3.connect ('/tmp/sqlite.db ') cur = conn.cursor () What's next? Build a chart. It should be noted here that SQLite does not support creating indexes while creating tables, so

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

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

Use convert in SQL server2000 to get the datetime data type style (full)Processing of date data formats, two examples:CONVERT (varchar (16), time one, 20) results: 2007-02-01 08:02/* time is generally a field in the GETDATE () function or data table

Processing of date data format: Result of convert (varchar (16), time 1, 20): 2007-02-01 08: 02 Result of convert (varchar (10), time 1, 23): 2007-02-01 Statement and query result:Select convert (varchar (100), getdate (), 0): 05 16 2006

Processing of date data formats, two examples:CONVERT (varchar (16), time one, 20) results: 2007-02-01 08:02/* time is generally a field in the GETDATE () function or data table */CONVERT (varchar (10), time one, 23) Result: 2007-02-01/*varchar (10)

SQL server uses convert to obtain datetime date data. The following examples include conversions of various date formats.Statement and query result:SelectCONVERT (varchar (100), GETDATE (), 0): 05 16 2006 AMSelectCONVERT (varchar (100), GETDATE (), 1