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[Oracle] LeetCode 696 Count Binary Substrings
Given a binary string s, return the number of non-empty substrings that have the same number of 0s and 1s, and all the 0s and all the 1s in these substrings are grouped consecutively. Substrings that occur multiple times are counted the number of time…
2022/8/25 2:24:38 人评论 次浏览 -
oracle获取每隔5分钟的数据趋势
往前一小时每隔 5 分钟 SELECT to_char(trunc(sysdate,hh24)+(to_char(sysdate,mi)-mod(to_char(sysdate,mi),5))/60/24 - 1/24+(rownum*5)/(24*60),hh24:mi) AS occur_hourFROM DUALCONNECT BY 12>=ROWNUMselect a.occur_hour as "occurHour",nvl(b.num1, 0…
2022/2/15 19:11:37 人评论 次浏览 -
Measures of Center - Mode
The mode is the value in the data set that occurs most frequently. If all of the data values occur only once, or they each occur an equal number of times, we say that there is no mode. If only one value occurs most often, then the data set is said to…
2021/4/7 18:39:47 人评论 次浏览
