The day-to-day things I learn as a software engineer

How to Set Up a Free PostgreSQL Database on Heroku

Feb 1, 2022

SQL

How to Change the Primary Key to Another Column in SQL Server

Jan 20, 2022

SQL

How to Modify Table to Use Composite Primary Key in MySQL

Oct 14, 2021

SQL

How to Format a Number with Two Decimal Places in SQLite

Sep 22, 2021

SQL

How to Order By Multiple Columns in SQL

Sep 21, 2021

SQL

How to Count the Number of Rows with the Same Value

Sep 20, 2021

SQL

How to Order a SQL String Column By Its Numeric Value

Sep 19, 2021

SQL

How to Check if a Column is Null in MySQL

Sep 7, 2021

SQL

How to Combine Columns Values Into a New Column in MySQL

Sep 6, 2021

SQL

How to Drop Multiple Columns with ALTER TABLE in SQL

Jul 14, 2021

SQL