Fiber is commonly classified as soluble, which dissolves in water, or insoluble, which doesn't dissolve. 1  Soluble fiber. 2  This type of fiber dissolves in water to form a gel-like material. 3  It can help lower blood cholesterol and glucose levels. It can help lower blood cholesterol and glucose levels. 2  Soluble fiber is found in oats, peas, beans, apples, citrus fruits, carrots, barley and psyllium. 3  Insoluble fiber.
What is a Key field in a Database and How should I choose one? Keys are crucial to a table structure for many reasons, some of which are identified below: 1  They ensure that each record in a table is precisely identified.  They help establish and enforce various types of integrity.
4-35. What is the main purpose of using foreign keys in a relational database design? A. It provides useful financial data value in the table. B. It is required in all tables. C. It is used to link tables. D. None of the above is correct. 4-28.