Internal tables check table, value table, and transparent table?

What are internal tables check table, value table, and transparent table?

Internal table: It is a standard data type object, which exists only during the runtime of the program. Check table: Check table will be at field level checking. Value table: Value table will be at domain level checking ex: scarr table is check table for carrid. Transparent table: – Exists with the same structure both in dictionary as well as in database exactly with the same data and fields.