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How do I get a list of foreign keys in SQL Server?
List All Foreign Keys on a Table in SQL Server
- Option 1 – sys. foreign_keys.
- Option 2 – sp_fkeys. Another way to get the foreign keys that reference a particular table is to use the sp_fkeys system stored procedure.
- A True/False Check.
How do I find foreign key references in SQL?
Using SQL Server Management Studio
- Open the Table Designer for the table containing the foreign key you want to view, right-click in the Table Designer, and choose Relationships from the shortcut menu.
- In the Foreign Key Relationships dialog box, select the relationship with properties you want to view.
How can I list all foreign keys referencing a given table?
Here the table contains the Object ids of all the foreign keys wrt their Referenced column ID Referenced Table ID as well as the Referencing Columns and Tables. As the Id’s remains constant the result will be reliable for further modifications in Schema as well as tables.
How to enumerate tables with foreign keys in SQL Server?
A traditional one is to use system tables that can enumerate tables with foreign keys as well as the tables that they reference. Queries based on INFORMATION_SCHEMA views are an alternative approach that may also be suitable for different types of databases than just SQL Server.
How to select a subset of all foreign key constraints?
To select a subset of all foreign key constraints for a particular referenced table, all you need to do is add a WHERE clause designating the referenced table name. With just the default NO ACTION setting, there is mutual constraining between referenced and referencing tables in a foreign key relationship.
How to travel the hierarchy of foreign keys?
This will travel the hierarchy of foreign keys for a given table and column and return columns from child and grandchild, and all descendant tables. It uses sub-queries to add r_table_name and r_column_name to user_constraints, and then uses them to connect rows. Here is an another solution.