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. ...
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...
Example for dates Let’s consider some examples of theTRUNCfunction and learn how to use the TRUNC function inOracle/PLSQL. SELECT TRUNC(TO_DATE('31.08.2014'), 'YEAR') FROM DUAL; Read moreOracle AWR data storage and collection frequency optimization. ...
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 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
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: ...
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 ...
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. ...