i am currently practicing my SQL skills. I wanted to get all data in the past 1 minutes. The query is SELECT * FROM menfesses WHERE created_at >= NOW() - INTERVAL 1 MINUTE; But somehow, it returns all data. I…
(help to create multiple databases in spring boot in my answer) I want to make a spring boot application for different games. The data of each game is placed in a separate database. I have been trying to connect a…
I'm wanting to optimize a query using a union as a sub query. Im not really sure how to construct the query though. I'm using MYSQL 8.0.12 Here is the original query: --------------- | c1 | c2 | --------------- |…
I have rows of user data. I store the createDate, which is the timestamp in milliseconds when the user registered. I want to get the total number of registrations per month. When I try to do that, I don't get…
I am building a web app for a client who has ~1M rows of data in their MySQL database. The data looks approximately like this: Products +---------+-----------+---------+-------------+---------+----------+ | Id | Name | Size | Colour | 4 Other attributes |…
I have a MySQL table people like this: id person_id meeting_time 1 21 123456 2 21 123457 3 21 123456 4 22 123470 5 21 0 6 21 123472 I need to get 1 row for each person_id, but only,…
I have a MySQL table which has the following columns and records: | Name | Total | GivenBy | | ---- | -------- | ------------ | | Z | 200 |['A','B','C'] | | X | 240 |['A','D','C'] | I would…
Yesterday I went to download MySQL, and I managed to install it, when the download finished, I double-clicked and the program opened normally. I created an account just for testing, so I didn't save the password, so I deleted MySQL…
I'm trying to establish a connection to MySQL server from IDLE and I can't figure out why I'm getting an error. >>> dbconfig = {'host': '127.0.0.1', 'user': 'vsearch', 'password': 'vsearchpasswd', 'database': 'vsearchlogDB'} >>> import mysql.connector >>> conn = mysql.connector.connect(**dbconfig) Traceback…
I have a table that runs some heavier computation (process length ~ 5 minutes per key). I want to reserve jobs and run it on multiple machines. I noticed that computers get locked out from the table as soon as…