Oracle/PLSQL syntax of TRUNC function TRUNC ( date_id, [ format_id ] ) Parameters and function arguments date_id– date for truncation. format_id– the unit of measurement, which is used for truncation. If the format parameter is omitted, TRUNC will cut the date to the value of the da...
Oracle TRUNC (date) function: The TRUNC (date) function returns the date with the time portion of the day truncated to a specific unit of measure. This tutorial explains how to use the TRUNC (date) function with syntax, parameters, examples and explanat
TRUNC(n1 [, n2 ]) Arguments: Pictorial Presentation of TRUNC() function Example: SELECT TRUNC(2.465,1) FROM dual; Here is the result. TRUNC(2.465,1) --- 2.4 The above statement will return a value truncating 2.465 up to 1 decimal place. Example: TRUNC() function with negative decimal ...
TRUNC()函数的用法(不会进行四四舍五入:例如18.9,只取到18) 首先他可以截取数字: TRUNC(n,m);(m可以省略) Purpose The TRUNC (number) function returns n truncated to m decimal places. If m is omitted, then n is truncated to 0 places. m can be negative to truncate (make zero) m digits ...
Oracle function 集 oracle的函數很多﹐特整理出來﹕ abs(m) m的绝对值 mod(m,n) m被n除后的余数 power(m,n) m的n次方 round(m[,n]) m四舍五入至小数点后n位的值(n缺省为0) trunc(m[,n]) m截断n位小数位的值(n缺省为0) 字符函数:...
在Oracle/PLSQL中,truncfunction returns a number truncated to a certain number of decimal places. truncfunction 语法如下: trunc( number, [ decimal_places ] ) number要截取的数字. decimal_places要保留的小数位. 这个参数必须是个整数. 如果此参数缺省,默认保留0位小数 ...
TRUNC(date, format)Code language:SQL (Structured Query Language)(sql) Arguments TheTRUNC()function accepts two arguments: 1)date Thedateargument is aDATEvalue or an expression that evaluates to aDATEvalue that will be truncated. 2)format
在Oracle/PLSQL中, trunc function returns a number truncated to a certain number of decimal places. trunc function 语法如下: trunc( number, [ decimal_places ] ) number 要截取的数字。 decimal_places 要保留的小数位. 这个参数必须是个整数. 如果此参数缺省,默认保留0位小数 ...
【小计】PostgreSQL实现Oracle的trunc日期函数功能 createorreplacefunctiontrunc(p_timestamptimestampwithtimezone,p_formartvarchardefault'DD')returnstimestampwithouttimezoneas$$declarev_timestamptimestamp:=null;v_formartvarchar(10):=upper(p_formart);begin/*...
In Oracle/PLSQL, the trunc function returns a date truncated to a specific unit of measure. The syntax for the trunc function is: trunc ( date, [ format ] ) date is the date to truncate. format is the unit of measure to apply for truncating. If the format parameter is omitted, the...