I have a table like below which contains temperature data for the last 6 months. It takes about 30-40 readings of temperature in an hour. 'time' is in epoch milliseconds. time temperature 1678270897857 25 1678270777712 30 1678270657548 38 1678270537402 27…
I'm currently calculating 'fizziness' which is equal to volume * fizzyfactor / 100. However, the values become very long floats. I want to round them to one decimal point. When typecasting with numeric, it still has the same output. Why?…
I have two tables with a one-to-many relationship that looks something like this: CREATE TABLE products ( id UUID PRIMARY KEY, name TEXT ); CREATE TABLE product_variations ( id UUID PRIMARY KEY, product_id UUID REFERENCES products, attribute1 TEXT, attribute2 TEXT,…
I have a table named sales_data where I have 3 columns (id int, udf varchar(20), date_of_sale datetime). I'm trying to find weekday for the column date_of_sale by adjusting the time to 6 hours, now I have to update the column…
I’m currently building a todo application with Flutter. Currently my structure looks like this: users/{userid}/projects/{projectid}/tasks/(all the tasks) (1) But I've also come up with the following idea. (2) users/{userid}/projects/{projectid} users/{userid}/tasks/{taskid} // All tasks hold a reference to the projectid Is…
I try to connect to Postgres inside a docker container as a result, I received Invalid value for parameter "TimeZone": "Europe/Kyiv" I've tried to add serverTimezone=Europe/Kyiv to the connect URL but its doest not work jdbc:postgresql://localhost:5433/db_name?serverTimezone=Europe/Kyiv Also, I've tried SET…
I want to convert all the rows into array. E.g. I have multiple values which is stored in CSV. Suppose in A1 position value is Message In B1 position value is Field=1234 In C1 position value is Field=0023 Like from…
I am trying to simply console.log the output of the mongoose function model.find() I am using node.js version 18.14.0, "express": "^4.18.2", "mongoose": "^7.0.0", I have the following issues: model.find no longer accepts callbacks, so I tried to create a variable…
In the context of AWS databases, how do the following disaster recovery strategies differ from one another: point-in-time recovery backup snapshot Aurora backtrack When should we choose one over the others? Why do we need so many different options when…
I have this document. { "_id": "1", "name": "KP", "points": 20 }, { "_id": "2", "name": "Josh", "points: 30 }, { "_id": "3", "name": "Angelo", "points": 50 } How do I get the sum of all fields (should be 100)…