Antidiuretic hormone (ADH, vasopressin) is produced by the supraoptic and paraventricular nuclei of the hypothalamus and travels in the axons through the pituitary stalk to the posterior pituitary gland.
What is a foreign key in SQL Server? A foreign key is a way to enforce referential integrity within your SQL Server database. A foreign key means that values in one table must also appear in another table. The referenced table is called the parent table while the table with the foreign key is called the child table.
â A foreign key is a column or set of columns in one table whose values must have matching values in the primary key of another (or the same) table. A foreign key is said to reference its primary key. Foreign keys are a mechanism for maintaining data integrity.