A constraint (rule) that must remain true for a database to preserve data integrity. Integrity constraints are specified at database creation time and enforced by the database management system.
Examples from a genealogical database would be that every individual must be their parent’s child or that they can have no more than two natural parents.
[in-teg-yuh-muh nt] /ɪnˈtɛg yə mənt/ noun 1. a natural covering, as a skin, shell, or rind. 2. any covering, coating, enclosure, etc. /ɪnˈtɛɡjʊmənt/ noun 1. the protective layer around an ovule that becomes the seed coat 2. the outer protective layer or covering of an animal, such as skin or a cuticle n. 1610s, from […]
[in-teg-yuh-men-tuh-ree] /ɪnˌtɛg yəˈmɛn tə ri/ adjective 1. of, relating to, or like an . adj. 1826, from integument + -ary.
[in-tel] /ˈɪn tɛl/ noun, Informal. 1. (defs 4, 6). /ˈɪntɛl/ noun (informal) 1. noun abbr. for intelligence, esp. military or business; information Intel Corporation intelligent
- Intel 4004
processor The world’s first microprocessor, released in 1971. The 4004 contained 2300 transistors (compared with 5.5 million in the 1996 Pentium Pro) and was intended for use in a calculator. It processed data in 4 bits, but its instructions were 8 bits long. Program and Data memory were separate, it had 1 kilobyte of data […]