我正在尝试编写一个查询,以返回给定区域的当前缩写时区。比如..。我希望这些能转化成..。我可以用本地时区来做返回'PDT‘。但我需要它来返回任何区域的时区。希望能有类似..。
select TO_CHAR(CAST(SYSDATE AS TIMESTAMP AT TIME ZONE 'America/Los_Angeles'),
return $dst_on; // bellow codes will return time date when DST is off/EST(Wrong output, i need DST off/EST output here!Please help)'; // Please help me to return dst off / EST time here}
pi_Est<- function(NTerms){ pi_Est = 0 # initialisepi Sum_i = 4*Sum_i # multiply by four as required in the formula (see lecture notes) pi_Est= sum(Sum_i)
cat('\nThe estimate of pi with terms =