Category "mysql"

Got Error while installing mysqlclient in django project on cPanel

Requirements.txt contains: asgiref==3.4.1 Django==3.2.9 django-isbn-field==0.5.3 mysql-connector-python mysqlclient phonenumberslite==8.12.42 Pillow==9.0.1 pyth

IF statement sub query optimisation in MySQL

select if(`num`>99, (select `value` from `sub` where `id`=`main`.`num`), "") as `result` from `main` This all works fine but MySQL is very inefficient as i

IF statement sub query optimisation in MySQL

select if(`num`>99, (select `value` from `sub` where `id`=`main`.`num`), "") as `result` from `main` This all works fine but MySQL is very inefficient as i

I cannot create a auto generated date time in mysql workbench

I'm trying to create an auto-generated date-time using MySQL workbench, timestamp seems not working This is the error Operation failed: There was an error whil

Drupal cannot access MySQL Docker container

This is relevant for Drupal 8.9.3, MySQL 5.7 and Docker (with docker-compose.yml) file. Specifically on the Drupal Install step "Set up database", Drupal throws

Hashing gives different result

I am using Python and MySql to handle user authentication. I have added the users thru python with the exact same method, but when I try to do the "login"/authe

Convert MySQL Select query into an Update query

I am using MySql to update the last line ( Member_id = 140) of database users of a column Sponsor_Parent with the result of a Selection of the last line of the

Error inserting values in SQL: Unknown column 'nan' in 'field list'

for row in dfp.itertuples(): cursor.execute(''' INSERT INTO players (PID, NAME) VALUES (%s,%s) ''', (row

How to write a query using multiple 'IN' or any other keywords in SQL so that the condition being applied will be based upon the order defined

I want to fetch records from the database as : select * from table where column1 IN (aa, bb , cc...) and column2 IN (34, 55, 66...) and column3 IN(df, fg, hh...

Gitlab CI/CD Spring boot Mysql sample Build and db connection successful but Junit test failing with Unknown database issue..! (DB exist)

Applying CI/CD With Spring Boot MySQL Gitlab I'm created very basic Spring boot crud application with MySQL, What I need to implement is Gitlab CI pipeline to a

Get the breadcrumb directory sequence in one query using MySQL

I am supposed to get the breadcrumb or directory hierarchy of a folder based on folder id. ID title parent_id 1 Home 0 2 First 1

Azure MySQL database hung when run SELECT * FROM information_schema.statistics query

When I run the SELECT * FROM information_schema.statistics query database stopped processing other requests. At that time Azure monitoring display significant

Logic Behind SQL Select Statement

Lets start with a basic SQL statement like this: SELECT CustomerName, City, Country FROM Customers; We get something like this: CustomerName City Country Alex

How to check mysql table with python

I want to create a license system for my codes in python. Now I am facing an issue: how can I check if an integer is contained in my MySQL database? Here are so

Traverse a link tree for Shiny dashboard

I am making an interactive Shiny dashboard with typical "drill-down" capability. There are hundreds of thousands of links in the database. I am working on takin

Are the tables in this ER diagram linked towards the employee table

The tables should be linked mainly towards the employee table. Is this fine? I need to make connection to employee using foreign keys. Is it good practice to h

Implement own in memory cache mechanism in spring boot

I was asked to implement an in memory cache mechanism in my spring boot application. My application is related to social media. User can register and login User

How To Access A Column In M-M Relationship Table In Laravel

I made a many-to-many relationship in laravel, where users can make announcements on an event. The problem is that I want to retrieve the announcement message f

Array in mysql or something similar

I have a question. I made this procedure, and I am curious if I can make it to return more than 1 output. Let me know if you need the tables, but the code is wo

MySQL correlated subquery very slow when range is included

DB Fiddle: https://www.db-fiddle.com/f/u1N4YYV3wmiWndnZNb95xz/5 For the following tables nodes and leaves, with nodes having just 9 records and leaves having a