I have a query to get all penalty data with latest prices. In prices table there are many prices related to a product. To take the valid price I need to get the latest price. Here is the query. SELECT…
I have a table of products and another table of specific listings of these products. CREATE TABLE products (id INT AUTOINCREMENT); CREATE TABLE listings ( id INT AUTOINCREMENT, product INT REFERENCES products(id), vendor INT ) I want to select listings…
I am working with a PostgreSQL database where I have a query that unions 5000 tables with identical structures. The query is saved as a view. I've noticed that the planning time for this query is significantly longer than the…
I've built many queries on my PostgreSQL database, but some of them take a very long time to load, and I'm having trouble understanding why. Especially the one below, which can return a lot of information but uses very simple…
I've a table with ID column, auto increment. Because of the bad migration a while a go, and I only noticed this now, form entries were all stored as ID 0. So now I have two problems: around 1000 entries…
I need to select all records for the current day in CST, however the timestamp fields in the table are all in GMT/UTC. The server's timezone is GMT. Getting all records for the current day in GMT is very fast…
The database schema below represents a fictional shows database called hbtn_0d_tvshows tables. tv_shows id title tv_genres id name tv_show_genres id show_id genre_id The tv_show_genres is a pivot table that links tv_shows and tv_genres tables. Now I have been given a…
creating a resultant DataFrame that combines information from both sources while filling missing values in 'Product Strings' with corresponding values from 'df2'. import pandas as pd # DataFrame 1 data1 = {'Company ID': [1, 2, 3], 'Product ID': ['D1', 'D2',…
I am using Union All for two select query. Both side the query is different I have to find the records from both table and show. I have tried below query but I am getting error #1064 - You have…
I've have a Postgres database and I'm using Grafana to visualise some data. For instance, my Grafana panel has the following variables where the values are dynamic: $__timeFrom() = '2023-10-21T00:00:00Z' $__timeTo() = '2023-10-21T00:25:00Z' $__interval = '15m' These variables are used…