NUMTODSINTERVAL(n, 'interval_unit') 将n转换成interval_unit所指定的值, interval_unit可以为: DAY, HOUR, MINUTE, SECOND 注意该函数不可以转换成YEAR和MONTH的. NUMTOYMINTERVAL(n, 'interval_unit') interval_unit可以为: YEAR, MONTH eg: (Oracle Version 9204, RedHat Linux 9.0) SQL> select numtods...
下面开始记录一下,自己在Oracle或者PLSQL常用的几个函数, 1、NUMTODSINTERVAL( number, expression )参数说明: number:数字类型的值 expression:单位,这里的单位是固定的,有DAY,HOUR,MINUTE,SECOND 1 2 3 4 5 6 7 8 举例说明: -- 当前日期加25天 select sysdate, sysdate + numtodsinterval(25, 'day') ...
1* selectnumtodsinterval(100,'YEAR') from dual SQL> / selectnumtodsinterval(100,'YEAR') from dual * ERROR at line 1: ORA-01760: illegal argument for function SQL> selectnumtoyminterval(100,'year') from dual; NUMTOYMINTERVAL(100,'YEAR') --- +000000100-00 SQL> c/year/month 1* se...
1* selectnumtodsinterval(100,'YEAR') from dual SQL> / selectnumtodsinterval(100,'YEAR') from dual * ERROR at line 1: ORA-01760: illegal argument for function SQL> selectnumtoyminterval(100,'year') from dual; NUMTOYMINTERVAL(100,'YEAR') --- +000000100-00 SQL> c/year/month 1* se...
SQL>c/HOUR/YEAR 1*selectnumtodsinterval(100,'YEAR')fromdual SQL>/ selectnumtodsinterval(100,'YEAR')fromdual * ERRORatline1: ORA-01760:illegalargumentforfunction SQL>selectnumtoyminterval(100,'year')fromdual; NUMTOYMINTERVAL(100,'YEAR') --- +000000100-00 SQL>c/year/month 1*selectnumto...
PLSQL_基础系列04_时间间隔INTERVAL(案例),2014-12-08CreatedByBaoXinjian一、摘要INTERVAL数据类型用来存储两个时间戳之间的时间间隔。可以指定years and months,或者days,hours,minuts,seconds之间的间隔。ORACLE支持两种INTEVAL类型,它们分别是Y
Oracle TO_CLOB Function With Examples TO_DATE Converts a string to a date value. TO_DATE( charvalue, [format_mask], [nls_date_language] ) Oracle TO_DATE Function With Examples TO_DSINTERVAL Converts a string to an INTERVAL DAY TO SECOND type. TO_DSINTERVAL ( input_string [, nlsparam]...
SQL> / select numtodsinterval(100,'YEAR') from dual * ERROR at line 1: ORA-01760: illegal argument for function SQL> select numtoyminterval(100,'year') from dual; NUMTOYMINTERVAL(100,'YEAR') --- +000000100-00 SQL> c/year/month 1* select numtoyminterval(100,'month') from dual ...
CREATE OR REPLACE FUNCTION ORACLE_TO_UNIX(in_date IN DATE) return number is begin return( (in_date -TO_DATE('19700101','yyyymmdd'))*86400 - TO_NUMBER(SUBSTR(TZ_OFFSET(sessiontimezone),1,3))*3600); end oracle_to_unix; -- 2)执行下面的sql生成id,本次为1670428800 ...
SQL timestamp精度 oracle timestamp精度,一、oracle时间类型oracle有date、timestamp、intervalyeartomonth和intervaldaytosesond四种类型,可通过nls_date_format来设置我们想要的日期格式。1、date存储年月日时分秒,固定存储7字节selectsysdate,current_datefromdual;2