Categories

JavaScriptPHPHTMLCssPythonWordPressWeb developmentLinuxMySQLAndroidWindowsJavaC++ / C#LayoutReactUbuntuYiiDjangoProgramming1C-BitrixLaravelSystem administrationTelegramJSONDebianPostgreSQLIOSGoogleHtaccessWindows ServerGitMacOSGoogle ChromeCMSWooСommerceBootstrapNginxSQLUnityAPI
Make a leaderReport
K
K
Konstantin2018-10-16 02:28:54
Database design
Konstantin, 2018-10-16 02:28:54

SQL integrity constraint?

Can you give the basic rules for limiting integrity between tables?

Reply
Answer the question

Answer the question

In order to leave comments, you need to log in

2 answer(s)
Report
K
Konstantin Tsvetkov, 2018-10-16
@tsklab

All foreign keys of a table are constraints by default.

Report
A
Andrey Skorzhinsky, 2018-10-17
@AndyKorg

Fully defined by the business rules of the logical model.

Similar questions
W
warchant2015-08-01 00:01:23
What to do with four programmers on the weekend? 3Reply
C
camradee2019-02-01 13:29:16
What is the optimal structure of the database of the site's payment system? 1Reply
A
aamorozov2014-08-26 17:10:49
Is it possible in MySQL to store part of a table in RAM? 3Reply
E
Evgeny Abaev2022-03-31 22:23:18
Implementing student and teacher tables? 3Reply
A
Alex_ML2016-09-12 21:28:51
What database to use for a large amount of data? 2Reply

Didn't find what you were looking for?

Ask your question

Ask a Question

731 491 924 answers to any question