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Q&A

Welcome to Software Development on Codidact!

Will you help us build our independent community of developers helping developers? We're small and trying to grow. We welcome questions about all aspects of software development, from design to code to QA and more. Got questions? Got answers? Got code you'd like someone to review? Please join us.

Posts tagged referential

For questions about the referential integrity concept used in relational databases.

This tag doesn't have a detailed wiki yet.

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Q&A Is it possible in MySQL to require each row in a table have at least one foreign key record in a join table?

I have tables A and B and then I have a many to many join table with foreign keys to both called a_b. Neither foreign key can be null and the combinations for the foreign keys to A and B are unique...

2 answers  ·  posted 3y ago by Charlie Brumbaugh‭  ·  last activity 3y ago by Alexei‭

Question mysql referential
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Q&A What is the rationale of having Cascade as a DeleteAction in EntityFramework.Core?

I have noticed some time ago that Entity Framework assumes a CASCADE behaviour (implicit value, if not specified) for referential constraints (FKs) when deleting items. This means that by default, ...

1 answer  ·  posted 3y ago by Alexei‭  ·  last activity 3y ago by Alexei‭