Foreign keys are a data integrity feature of relational (and SQL) databases.
I've been trying to get foreign keys working within my Android SQLite database. I have tried the following syntax but …
android sqlite foreign-keysHow do I design a scheme such this in MongoDB? I think there are no foreign keys!
sql mongodb foreign-keys nosqlI have two tables in two different databases. In table1 (in database1) there is a column called column1 and it …
sql sql-server tsql foreign-keysWhen setting up foreign keys in SQL Server, under what circumstances should you have it cascade on delete or update, …
sql-server database-design foreign-keys rdbms cascadeI have 2 tables, Facilities and Services. CREATE TABLE Facilities ( facility_id NUMBER(2) NOT NULL, facility_name VARCHAR2(20) NOT NULL, CONSTRAINT …
sql oracle database-design foreign-keys ora-00936I have the following set up, CREATE TABLE auth_user ( id int PRIMARY KEY ); CREATE TABLE links_chatpicmessage (); I'm trying …
database postgresql foreign-keys alter-tableWould it be possible in SQL Server 2008 to have a table created with 2 columns that are at the same time …
sql-server foreign-keys primary-keyI have 2 tables as you will see in my posgresql code below. The first table students has 2 columns, one for …
sql postgresql foreign-keys relational-database foreign-key-relationshipSuppose I have 2 tables, Products and ProductCategories. Both tables have relationship on CategoryId. And this is the query. SELECT p.…
sql sql-server performance indexing foreign-keysI have 60 tables. I want to drop 10 tables where these 10 tables are Constraints(PK,FK) to other 20 tables. While dropping …
sql-server sql-server-2008 foreign-keys constraints foreign-key-relationship