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2 votes
1 answer
56 views

Find coherent datetime ranges in postgresql

My Data consists of rows containing a Length/Duration in Minutes, a Begin & EndTime. The precision is 1min (or larger). the table looks something like that: ...
Fritz's user avatar
  • 121
3 votes
1 answer
62 views

Iterate between dates and INSERT values in a performant way

I have created a query that populates a datapoint with random values. The logic is simple: Iterate between the START and END dates and INSERT random values. I want from this query to be very ...
Superluminal's user avatar
2 votes
0 answers
187 views

PostgreSQL: maintaining non-overlapping temporal ranges

I have to store some temporal meta data used primarily in bulk processing of a time-series (sensor measurements). Each value of this meta data is valid for a potentially half-open range of time. ...
ytfntk's user avatar
  • 21
2 votes
1 answer
122 views

Checking whether a store is open or not by querying over its business hours

I currently have a method that checks if the store is open. It's working nicely, however on the main page I have quite a few stores. Whom again have different locations. Each of these locations again ...
Sebastian Jennings Almnes's user avatar
4 votes
1 answer
58 views

SQL report of subscribers and their associated revenue

A user can have many subscriptions, and a subscription belongs to one plan. The plans table tells us a subscription's cost. Is the query below the correct one for ...
Nona's user avatar
  • 141