References field (purple rectangle) shows primary table and table below (orange rectangle) pairs of foreign ( Local) and primary ( Referenced) columns. Go to Columns tab in a properties dialog. Right click on key and choose Properties option from context menu. There's yet another way to see foreign key details. In case below film.language_id is a foreign column (in film table) and language.language_id is a primary column (in language table). There will be 3 elements and the one with type of Column will be foreign and primary table and column. A foreign key constraint cannot be defined between a temporary table and a permanent table. A foreign key constraint maintains referential integrity between two tables. You can see more details in the first Dependencies tab. Use the Foreign key dialog to specify the behavior of a foreign key constraint. However, you cannot see here the primary table. To allow other roles to use it, privileges must be granted. For most kinds of objects, the initial state is that only the owner (or a superuser) can do anything with the object. The owner is normally the role that executed the creation statement. Foreign and primary columns are visible at the bottom in Columns section (purple rectangle). When an object is created, it is assigned an owner. When you select key and go to Properties in the browser you will see the details of this FK. When you expand the table element and then Constraints element underneath (in the Tree Control), you will see list of foreign key constraints - those are the items with gray key icon. pgAdmin is the leading Open Source management tool for Postgres, the world’s most advanced Open Source database. I need to change this foreign key to ON DELETE CASCADE. To view table FKs you need to find and select the table first. I have an existing foreign key that has ON DELETE NO ACTION defined. This guide will show you how you can view table foreign key constraints in pgAdmin 4, most popular administration and development tool for PostgreSQL.
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