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.
Table constraints include: 1  PRIMARY KEY Specifies the column or columns that uniquely identify a row in the table. 2  UNIQUE Specifies that values in the columns must be unique. 3  FOREIGN KEY Specifies that the values in the columns must correspond to values in referenced primary key or unique columns or that they are .