GitHub

03. ADD a COLUMN with ALTER TABLE.sql

/* Oops! We forgot to add the university_shortname column to the professors table. You've probably already noticed: In chapter 4 of this course, you'll need this ...
GitHub

Periodic Table Database SQL Commands.txt

ALTER TABLE properties RENAME COLUMN melting_point to melting_point_celsius; ALTER TABLE properties RENAME COLUMN boiling_point to boiling_point_celsius; ALTER TABLE properties ALTER COLUMN ...
TechRepublic

How to create tables and add data to MySQL database with MySQL Workbench

The MySQL Workbench main window. How to create tables and add data to MySQL database with MySQL Workbench Your email has been sent The MySQL Workbench GUI is cross-platform, open source, and ...
Visual Studio Magazine

Tracking History in SQL Server 2016 and Azure SQL Database

SQL Server 2016 and Azure SQL Database both give you tables that automatically keep track of changes to your data. Here's how to both create those tables and alter existing tables so they track the ...
TechRepublic

How to query multiple tables in SQL

Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. It’s sometimes difficult to know which SQL syntax to use when ...