Select CONVERT(varchar(100), GETDATE(), 1): 05/16/06 Select CONVERT(varchar(100), GETDATE(), 2): 06.05.16 Select CONVERT(varchar(100), GETDATE(), 3): 16/05/06 Select CONVERT(varchar(100), GETDATE(), 4): 16.05.06 Select CONVERT(varchar(100), GETDATE(), 5): 16-05-06 Sele...
This section introduces the functions that convert a string to a date and timestamp. TO_DATE –Convert a string to a date. TO_TIMESTAMP –Convert a string to a timestamp. MAKE_DATE –Create a date from year, month, and day. MAKE_TIME –Create a time from hour, minute, and second....
1. CONVERT ( CONCAT( YEAR (xxx ), '' ), SIGNED ) 或者 CONVERT ( DATE_FORMAT( a.cysj , '%Y%m' ), SIGNED ) 替换:to_char(xxx,'yyyy')::int4 或者 to_number(to_char(birthday,'yyyyMM'),'999999') 2. format( ifnull( aa.zySsChoiceRate, 0 )/ zz.zySsChoiceRate * 100, 2 ) ...
The to_date function in PostgreSQL converts a string into a date. Syntax of the to_date function in PostgreSQL: to_date( string1, format_mask )
Summary: in this tutorial, you will learn how to use the PostgreSQL TO_DATE() function to convert a string to a date. Introduction to the PostgreSQL TO_DATE() function The TO_DATE() function converts a string literal to a date value. Here’s the basic syntax of the TO_DATE() functi...
SELECT TIMESTAMP WITH TIME ZONE 'epoch'+1319704697 * INTERVAL '1 second';Here is how you can convert an epoch value back to a time stamp:SELECT TIMESTAMP WITH TIME ZONE 'epoch' + 982384720 * INTERVAL '1 second';
SQL convert数据类型 、、 我有两个数据类型为"text“的列,我需要将第一列中的整个数据转换为"datetime”数据类型,第二列转换为"decimal(10,3)“数据类型。当前数据示例:第一列:20090901000005转换为2009/08/01 00:00:05第二列:.125转换为00.125 任何人都可以提供帮助,请:) 浏览2提问于2012-10-01得票数...
poi 导入日期转换问题
In PostgreSQL, the TO_TIMESTAMP() function is used to convert a Unix or Posix Timestamp to a DateTime value. Pass the Unix timestamp as an argument to the TO_TIMESTAMP() function, as a result, the TO_TIMESTAMP() function will convert the given Unix timestamp to an equivalent ...
在处理长于 4 位的年份时,从字串向timestamp或者date的YYYY转换有一个限制。你必须在YYYY后面使用一些非数字字符或者模板, 否则年份总是被解释为 4 位数字。例如(对于 20000 年):to_date('200001131', 'YYYYMMDD')将会被解释成一个 4 位数字的年份,而不是在年份后使用一个非数字分隔符,像to_date('20000...