foreign-keys

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Determine InnoDB FK Constraints without information_schema

I\'m writing some code to inspect a MySQL database structure, and need information about Foreign K开发者_StackOverflowey constraints (on InnoDB tables).[详细]

2023-03-28 22:34 分类：问答
TFS - Database deploy - Setting CHECK or NOCHECK on Constraints

We are currently using Visual Studio 2010 and have a Database project that contains all of our database objects.We typically deploy the database via a build script to our CI, QA and UAT environments.F[详细]

2023-03-28 22:15 分类：问答
Restore InnoDB tables: very very slow?

I used to deal with Myi开发者_运维问答sam tables, but for foreign connections I changed to Innodb tables (converted, and added foreign keys). I often download the database from the server, and fill th[详细]

2023-03-28 20:46 分类：问答
Having trouble with foreign key

I am trying to have categories in my budget2000 table be the foreign key to category in mainBudget.Category is not a unique number so it cannot be a primary key.When I run the code I get the famous er[详细]

2023-03-28 18:25 分类：问答
SQL FK and Pre-Checking for Existence

I was wondering what everyone\'s opinion was with regard to pre-checking foreign key look ups before INSERTS and UPDATES versus letting the database handle it. As you kn开发者_运维问答ow the server wi[详细]

2023-03-28 01:16 分类：问答
Does it make sense to use a varchar column as foreignkey reference?

Given two tables books and authors where each of them already have a unique key which is of varchar type which identifys them throughout my ecosystem. Does it make sense to use those keys as Foreignke[详细]

2023-03-27 22:43 分类：问答
Error when trying to DELETE foreign key: “ERROR 1025 (HY000):”

I am running into some trouble trying to delete a foreign key. Could someone please help? Here’s my SHOW CREATE TABLE catgroup:[详细]

2023-03-27 22:34 分类：问答
How to delete all data without breaking referential integrity using Doctrine?

I\'ve put together a unit testing plugin for Symfony 1.4 that attempts to manage the database automatically, similarly to the way Django\'s test framework does it (destroy and rebuild the database bet[详细]

2023-03-27 19:57 分类：问答
MySQL Multi-Delete. Is it possible to multi-delete referenced rows?

If I have a parent table and a child table, is it possible to multi-delete the rows in them without having a \"ON DELETE CASCADE\" constraint?[详细]

2023-03-27 09:53 分类：问答
Adding foreign key to existing table gives error 1050 table already exists

I\'ve a table CustomizationSet with the columns: customization_set_guid (which is a non-nullable guid and also the primary key)[详细]

2023-03-26 23:06 分类：问答