Select Row Number in MySQL
I want to get the rownumber of each row from a MySQL Table. I already read this article and tried the suggested select statement as below, SELECT @rownum:=@rownum + 1 as row_number, t.* FROM ( select * from myTable )…
"Filtering" huge MariaDB/Mysql table based on different table
Struggling with a large dataset in my mariaDB database. I have two tables, where table A contains 57 million rows and table B contains around 500. Table B is a subset of ids related to a column in table A.…
How can I make an auto-incremental id in springBoot – Mysql
I am learning spring boot but in the part of creating the models for the creation in mysql, but I need the id field to be auto-incremental, does anyone know how I can do it? ` package com.pruebas.model; import javax.persistence.Column;…
Problem with the install of MySQLdb package for python3 in Ubuntu 22.04.1 LTS
I'm trying to install the MySQLdb package for python3, because I need to use mysql for a project I'm currently doing. But I can't get that package and work with it I have tried the following things: When I try…
Mysql count current row count group by date
I have two tables of users and articles and I want to count how many new users and how many new articles I have in the past 7 days. tbl_users: [Code, Username, Createdate] 1,David,01/01/2022 2,Henry,02/01/2022 tbl_articles: [Code, Header, Createdate] 1,Hello,01/01/2022…
Slow query 80% of db time spent here – Mysql
Hi stackoverflow I have here a sql statement that is pretty slow performing which I think is due to the subquery seen in the sql below. My question is simply given that this subquery and the fact that it must…
MySql databases deleted on new deployment in kubernetes
I have created MySql container in kubernetes Pod by using YAML deployment file. I am able to execute the mysql queries on that container and created few databases and tables with data in it. But when I make some changes…
Load data from MySQL to BigQuery using Dataflow
I want to load data from MySQL to BigQuery using Cloud Dataflow. Anyone can share article or work experience about load data from MySQL to BigQuery using Cloud Dataflow with Python language? Thank you
Mysql, Show who has and hasn't opted out of bus service
I have student and event tables linked by sid. CREATE TABLE `students` ( `sid` int(8) NOT NULL COMMENT 'use', `active` enum('Yes','No','vac','Grad') NOT NULL DEFAULT 'Yes', `name` varchar(130) DEFAULT NULL, `bus` varchar(130) DEFAULT NULL ) ENGINE=MyISAM DEFAULT CHARSET=utf8; INSERT INTO `students`…
Convert SQLite to MySQL datetime
I have SQLite DB one table contains datetime field with datatype "timestamp" REAL value is 18696.0 attach image for table structure So, I want this 18696.0 value to be converted into MySQL Y-m-d format and result should be 2021-03-10 I…