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OracleÈÕÆÚº¯Êý next_day

ÔÚOracleÊÇÌṩÁËnext_dayÇóÖ¸¶¨ÈÕÆÚµÄÏÂÒ»¸öÈÕÆÚ.
Óï·¨ : next_day( date, weekday )
date is used to find the next weekday.
weekday is a day of the week (ie: SUNDAY, MONDAY, TUESDAY, WEDNESDAY, THURSDAY, FRIDAY, SATURDAY)
¿ÉÓÃÓÚ:
Oracle 9i, Oracle 10g, Oracle 11g
For example:
next_day('01-Aug-03', 'TUESDAY') would return '05-Aug-03'
next_day('06-Aug-03', 'WEDNESDAY') would return '13-Aug-03'
next_day('06-Aug-03', 'SUNDAY') would return '10-Aug-03'
µ«ÊÇÔÚÖ´ÐÐÈçÏÂÃüÁîʱ³ö´í,´íÎóÌáʾΪ²»ºÏ·¨µÄ month,µ«Êµ¼ÊÉϵ¥´Ê±¾Éí²¢Ã»Óдí,¶øÊÇ»·¾³ÎÊÌâ:
SQL> select next_day('01-Aug-03', 'TUESDAY') from dual;
select next_day('01-Aug-03', 'TUESDAY') from dual
                *
ERROR at line 1:
ORA-01843: not a valid month
·ÖÎöÎÊÌâ:
Ê×ÏȲéѯµ±Ç°ÈÕÆÚÓïÑÔ NLS_DATE_LANGUAGE Öµ.
SQL>select * from v$nls_parameters;
PARAMETER                                                        VALUE
---------------------------------------------------------------- -----------------------------------
NLS_LANGUAGE                                                     SIMPLIFIED CHINESE
NLS_TERRITORY                                              


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