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Migrating Databases Smoothly with SQLAlchemy: A Secure Approach
Learn how to smoothly migrate databases using SQLAlchemy. This guide covers secure connection handling, data transformations, and best practices for database migrations in Python.
Installing MySQL on macOS with Homebrew
MySQL is a popular open-source relational database management system (RDBMS). It is widely used for web applications, data analysis, and other database-driven tasks. This blog post will guide you through the steps on how to install MySQL on macOS using Homebrew, a package manager for macOS.
Replacing Domain Names in URLs within a MySQL Database Column
Learn how to modify domain names in URLs stored within a MySQL table using the REPLACE() function. This tutorial covers all steps, from understanding the function to implementing it, with emphasis on precautionary measures like data backup and verification.
Store Float in MySQL
Storing a float number in MySQL, you must specify the column's precision and scale. CREATE TABLE `test` ( `id` int(11) NOT NULL AUTO_INCREMENT, `value` decimal(10,2) NOT NULL, PRIMARY KEY (`id`)…
Remove Duplicate Entries Using KnexJS
I accidentally created duplicate entries in my database, so I wrote a function to remove them. The MySQl database connector I use frequently is KnexJS. Here's how I did it: const removeDuplicateEntrie…
Nodejs Store Emoji in MySQL
Everything should be set to utf8mb4 NodeJS MySQL Connection Pool Charset { "charset": "utf8mb4" } MySQL Table Character Set CREATE DATABASE IF NOT EXISTS `<database_name>` CHARACTER SET utf8mb…
MySQL Out of Sort Memory
Error "1038 Out of sort memory, consider increasing server sort buffer size If you encountered this error when sorting over a million rows of data, you should consider adding an index to the column yo…
MySQL Character Set And Collation Fast Note
MySQL Instance Character Set and Collation Config via docker-compose File version: '3.5' services: mysql: image: mysql container_name: mysql restart: always command: [ 'mysql…
MySQL Schema Initialization Note
Initiate MySQL Database Setting up a MySQL database for a new project, you basically have three things to do: Create a database Create a standalone database user for the database for security purpose…