原文:PostgreSQL date_trunc() 和timestamp

timestamp .SELECT now ::timestamp year .SELECT now ::timestamp month .SELECT now ::timestamp day .SELECT now ::timestamp hour .SELECT now ::timestamp min .SELECT now ::timestamp sec .select now ::time ...

2019-03-26 12:57 0 3599 推薦指數:

查看詳情

trunc函數 & date_trunc()

PostgreSQL date_trunc() 截斷日期函數,完成定時時間語法 Oracle有大量的日期函數可供使用,trunc, new_time,months_between,next_day,last_day,add_months,round等函數.當然PostgreSQl 也有大量的時間 ...

Fri Dec 04 20:05:00 CST 2020 0 3467
Hive date_trunc函數

The function date_trunc is conceptually similar to the trunc function for numbers. date_trunc('field', source) source is a value expression ...

Mon Oct 14 20:06:00 CST 2019 0 1326
PostgreSQL將日期轉為當前年、月、日的函數date_trunc

  PostgreSQL將日期轉為年、月、日的函數date_trunc:   當前年:  select date_trunc('year',now())   當前月:  select date_trunc('month',now())   當前日:  select date_trunc ...

Mon Nov 23 16:20:00 CST 2020 0 1346
PostgreSQL將日期轉為當前年、月、日的函數date_trunc

  PostgreSQL將日期轉為年、月、日的函數date_trunc:   當前年:  select date_trunc('year',now())   當前月:  select date_trunc('month',now())   當前日:  select date_trunc ...

Thu Feb 20 03:49:00 CST 2020 0 3635
postgreSQLtimestamp轉成date格式

嘗試了以下兩種方式,將pg中的timestamp格式轉換成date格式: 方式一: select to_date( to_char( f.begin_time, 'yyyy-mm-dd' ), 'yyyy-mm-dd' ) from hafd f    方式 ...

Tue May 26 19:14:00 CST 2020 0 4889
 
粵ICP備18138465號   © 2018-2025 CODEPRJ.COM