I have such MySQL code: SELECT departmentId, name, salary, DENSE_RANK() OVER (PARTITION BY departmentId ORDER BY salary DESC) AS salary_rank FROM Employee HAVING departmentId = 1 This works properly as expected but if I change the HAVING clause as SELECT…
Can't connect to database server docker-compose: version: '3.7' services: nginx: container_name: app_nginx image: nginx:latest volumes: - ./:/var/www - ./docker/nginx/conf.d:/etc/nginx/conf.d ports: - "8876:80" depends_on: - app app: container_name: app build: context: . dockerfile: docker/app/Dockerfile volumes: - ./:/var/www depends_on: - db db:…
I've been googling this for a while now but found no solution. OK I have 2 tables that look like this: Table "main": client_email client_name [email protected] Peter Pan [email protected] Paul Smith Table "registered": client_email client_name [email protected] James Bond [email protected] Paul…
I have a table in BigQuery where I would like to be able to group according to some type of mapping file, for example if I had the following Product Code Country Sales AA1 US 5 AA2 US 10 AA1…
I have a table with three columns: job_id, part, and time, which represent the ID of a shop job, the part manufactured in that job, and the time taken for that job, respectively. Job_id Part Time 1 A 0 2…
I am trying to save a record of Person class into mySql database using pure java and hibernate but I get this error. these are my classes. I appreciate any help why this error is raised. With these classes all…
Normally, I would take them as the same. why different performance ? BY using mysql:5.7 For a table holds 10 million rows -- order by created_time desc id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1…
I want to get moving sum and moving average on each date for last 7 days (including current day). I used WINDOW function and used ROWS BETWEEN to frame the function which calculates correctly, but it shows sum and avg…
This is not a question but more of a public service announcement for anyone who is running MySQL 8.0.37 and has experienced an unstoppable memory leak. We are on Amazon MySQL for RDS and upgraded from 8.0.28 to 8.0.37. After…
I have a Column in MYSQL table with the following values "acc":"0","alarm":"02","batl":"6","bats":"1","cellid":"0","defense":"1","gpslev":"15","gsmlev":"3","lac":"0","mcc":"0" I want to split the data using JSONSTRING, I have the following code thus far but I cannot populate the $jsonString with the data // Query: Fetch the…