database-integrity
Question about composite primary keys
Example table: Ticket - id - tenant_id - foo TicketItem - id - tenant_id - ticket_id - bar Assuming that id and tenant_id on each table make up composite primary keys, and that ticket_id is a forei[详细]
2023-02-22 06:32 分类:问答Are there any difference between data integrity and data consistency?
I\'m a little confused about data consistency and data integrity. From Orac开发者_如何学JAVAle Database Concepts:[详细]
2023-02-08 01:09 分类:问答Is it possible to integrate my database with a forum (SMF, phpBB) database?
I have a web application with a user base. I want to add a forum, but I don\'t want users to register there again.[详细]
2023-01-22 14:15 分类:问答"SQLSTATE[23000]: Integrity constraint violation" in Doctrine
i do get an Integrity constraint violation for Doctrine though i really can\'t see why. Schema.yml User:[详细]
2023-01-01 04:11 分类:问答date string formatting
Th开发者_高级运维e best way to take a string that is formated like... YYYY-MM-DD and make it appear like...[详细]
2022-12-18 19:58 分类:问答