I\'m getting un开发者_如何学Pythondefined function when I try to do the following (simplified for readability)
Not using MSSQL or DB2 or Oracle. No CTE. No OVERLAP predicate. No INTERVAL data type. The situation: on a vehicle to be repaired work can not start until
I am trying to count the number of hits a value in one file(column) falls between an interval from another file (two columns).
I\'m trying开发者_StackOverflow to solve a problem from SPOJ ( link ), which can be briefly described like this: Given n intervals, each with an integer beginning and end, and given the end with max t
I need to round a calculated numb开发者_开发知识库er to the closest value in a table.The values in the table are not sequential, and the intervals between the values are not the same.(I actually haven
I have two unix timestamps in my database that I am subtracting to get a time interval in seconds: $interval = $array[\"time2\"] - $array[\"time1\"]; // 开发者_如何学GoWhen echoed, $interval = 3
This question is unlikely to help any future visitors; it is only relevant to a small geographic area, a specific moment in time,or an extraordinarily narrow situation that is not generally applic
I work with a Postgres database. This DB has a table with users, who have a birthdate (date field). Now I want to get a开发者_JAVA百科ll users who have their birthday in the upcoming week....
I am using the the following sql in MySQL terminal and it works fine. select * from metric_measured_value where metric_id=18 and measurement_time>(now()-INTERVAL 2 year);
I want to run a Unix command (e.g. ls) at 5 minute intervals through a script. Explanation: I have a Unix script. In that script I have a command called \"ls\".
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