In this example, First, theTO_DATE()function converted a date string to aDATEvalue. Second, theTRUNC()function truncated the date. Because we did not pass the format argument, theTRUNC()function uses the default value that truncates the date to midnight. Third, theTO_CHAR()function formatte...
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() 截取日期或者数字 参考链接:https://www.cnblogs.com/xiaoyudz/archive/2011/03/18/1988467.html 官方注释: Syntax TRUNC(date [, fmt ]) Purpose The TRUNC (date) function returns date with the time portion of the day truncated to the unit specified by the format model fmt. The value ...
For example: select emp_name,decode(trunc((yrs_of_service+3)/4),0,0.04,1,0.04,0.06) as perc_value from employees; 问题4: decode函数的参数个数有限制吗?我得到一个错误 "ORA-00939: too many arguments for function". 回答: 是的,decode函数的最大参数个数为255个,包括expression,search, andre...
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 应用于:Oracle 8i, Oracle 9i, Oracle 10g, Oracle 11g 例如For example: ...
Oracle/PLSQL: Trunc Function (with dates): http://www.techonthenet.com/oracle/functions/trunc_date.php 引用 In Oracle/PLSQL, the trunc function returns a date truncated to a specific unit of measure. Th ...
TRUNC(date [, fmt ])Purpose The TRUNC (date) function returns date with the time portion of the day truncated to the unit specified by the format model fmt. The value returned is always of datatype DATE, even if you specif Examples The following example truncates a date:SELECT TRUNC(TO_...
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 应用于: Oracle 8i, Oracle 9i, Oracle 10g, Oracle 11g 例如For example: ...
trunc(SYSDATE,'year”)本年初日期--2013-1-1双; 选择当时日期SYSDATE,--2013-1-29上午09:49:25 提取物(从时间戳的2013-1-2909:45:39小时)小时,9 提取物(从时间戳的2013-1-2909:45:39”分钟,45分钟) 提取物(二从时间戳”2013-1-2909:45:39”)秒,39 提取物(天日SYSDATE),29 提取物(月月SYSDATE)...
You can use theTO_CHARfunction, along withTRUNC, and specify the format. SELECTTO_CHAR(TRUNC(SYSTIMESTAMP))FROMdual; Result: 17-09-2022 This result is in a CHAR format. You can use a similar set of functions to convert your TIMESTAMP values to CHAR. ...