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Is it fine to have foreign key as primary key?
database
foreign-keys
primary-key
PostgreSQL array of elements that each are a foreign key
postgresql
foreign-keys
foreign-collection
Ruby on Rails. How do I use the Active Record .build method in a :belongs to relationship?
ruby-on-rails
activerecord
foreign-keys
Designing an EAV database correctly for historical data
sql
foreign-keys
key-value
entity-attribute-value
6nf
Defining multiple foreign keys in one table to many tables
database-design
foreign-keys
SqlAlchemy - Filtering by Relationship Attribute
python
filter
sqlalchemy
foreign-keys
Can a foreign key reference a non-unique index?
mysql
sql
foreign-keys
Basics of Foreign Keys in MySQL?
mysql
foreign-keys
Sql - Indirect Foreign Key
database-design
foreign-keys
relational-database
Force drop mysql bypassing foreign key constraint
mysql
foreign-keys
sql-drop
How do I use on delete cascade in mysql?
mysql
sql
foreign-keys
cascade
Does Foreign Key improve query performance?
sql
sql-server
performance
indexing
foreign-keys
Foreign key referring to primary keys across multiple tables?
sql
foreign-keys
primary-key
How do I add a foreign key to an existing SQLite table?
sql
sqlite
foreign-keys
ddl
postgresql foreign key syntax
sql
postgresql
foreign-keys
relational-database
foreign-key-relationship
When/Why to use Cascading in SQL Server?
sql-server
database-design
foreign-keys
rdbms
cascade
How to find foreign key dependencies in SQL Server?
.net
sql-server
foreign-keys
SQL DROP TABLE foreign key constraint
sql-server
foreign-keys
constraints
database-table
drop-table
Add Foreign Key relationship between two Databases
sql
sql-server
tsql
foreign-keys
Foreign Key naming scheme
database
naming-conventions
foreign-keys
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