Categories

JavaScriptPHPHTMLCssPythonWordPressWeb developmentLinuxMySQLAndroidWindowsJavaC++ / C#LayoutReactUbuntuYiiDjangoProgramming1C-BitrixLaravelSystem administrationTelegramJSONDebianPostgreSQLIOSGoogleHtaccessWindows ServerGitMacOSGoogle ChromeCMSWooСommerceBootstrapNginxSQLUnityAPI
Make a leaderReport
W
W
Webber2021-02-05 22:02:57
Database design
Webber, 2021-02-05 22:02:57

What is role in foreign key?

Created a relationship between tables, I can't find what is role?

601d9658b97ec748430584.png

Reply
Answer the question

Answer the question

In order to leave comments, you need to log in

1 answer(s)
Report
D
DevMan, 2021-02-05
@AKLZephyr

this is from the ERD world.
exaggerated - clarification to the connection.
It has nothing to do with the code, you can generally leave it empty.

Similar questions
V
vgreat2020-05-28 13:04:51
How to make an ER diagram from a data schema in a database? 0Reply
D
Denis Shestoperov2020-05-28 18:23:07
How to design MySQL database for photo album editor? 1Reply
S
SoloMidPlz2015-12-25 14:31:03
User Settings Database Design/Scheme? 1Reply
R
Romi2021-08-19 13:45:01
Why do we need foreign keys written in the database structure (MySQL) - are they really needed there? 1Reply
G
Gleb Starkov2012-12-20 05:18:12
Designing a messaging system (database schemas) 3Reply

Didn't find what you were looking for?

Ask your question

Ask a Question

731 491 924 answers to any question