因为PostgreSQL标准库中并没有内置的months_between函数,这通常是由用户自定义或第三方插件提供的。 4. 提出解决方案或修改建议 解决方案一:使用PostgreSQL的内置函数和操作符自定义months_between函数 如果你正在使用PostgreSQL,并且需要实现类似于Oracle的months_between功能,你可以使用PostgreSQL的内置函数和操作符来创建一...
HANA has useful functions, like these: YEARS_BETWEEN: https://help.sap.com/viewer/4fe29514fd584807ac9f2a04f6754767/2.0.02/en-US/7c0d2c161ea34def86de3f5eadd6a0af.html MONTHS_BETWEEN: https://help.sap.com/viewer/4fe29514fd584807ac9f2a04f67...
// Calculate the number of days in the remaining difference $days = floor(($date_diff - $years * 365*60*60*24 - $months*30*60*60*24)/ (60*60*24)); // Output the calculated duration printf("%d years, %d months, %d days", $years, $months, $days); // Print a newline char...
下面是函數MONTHS_BETWEEN的一些樣本。 SELECT MONTHS_BETWEEN('15-DEC-06','15-OCT-06') FROM DUAL; months_between --- 2 (1 row) SELECT MONTHS_BETWEEN('15-OCT-06','15-DEC-06') FROM DUAL; months_between --- -2 (1 row) SELECT MONTHS_BETWEEN('31-JUL-00','01-JUL-00') FROM DUAL;...