Foreign keys are a data integrity feature of relational (and SQL) databases.
I've created a model with MySQL Workbench and am now attempting to install it to a mysql server. Using File &…
mysql foreign-keys innodb mysql-error-1005I have two tables, with each table having a composite primary key. One attribute is in both composite primary keys. …
sql oracle foreign-keys primary-key composite-primary-keyHow do I specify ON DELETE NO ACTION Foreign Key Constraint in my model designs? At present, I have: public …
c# asp.net-mvc entity-framework foreign-keys code-firstI'm following the flask-sqlalchemy tutorial on declaring models regarding one-to-many relationship. The example code is as follows: class Person(db.…
python sqlalchemy foreign-keys relationship flask-sqlalchemyWe're trying to rename a column in MySQL (5.1.31, InnoDB) that is a foreign key to another table. At first, we …
sql mysql foreign-keys mysql-error-1025When I run a mysqldump command on my database and then try to import it, it fails as it attempts …
mysql foreign-keys mysqldump data-importI have a table user with userID as the primary key. I have another table called Friends. In the Friends …
mysql sql foreign-keys primary-key referential-integrityI'm using PostgreSQL and I'm trying to list all the tables that have a particular column from a table as …
sql database postgresql foreign-keysI wish to reference the OrderAddress model twice in my Order model; once as a ShippingAddress and once as a …
c# asp.net-mvc entity-framework foreign-keys fluentI am attempting to create a DB for my app and one thing I'd like to find the best way …
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