A natural key (also known as business key or domain key) is a type of unique key in a database formed of attributes that exist and are used in the external...

object in the database. The surrogate key is not derived from application data, unlike a natural (or business) key. There are at least two definitions of...

In Western musical notation, a key signature is a set of sharp (♯), flat (♭), or rarely, natural (♮) symbols placed on the staff at the beginning of a...

(a natural key) to act as its primary key, or create a new attribute containing a unique ID that exists solely for this purpose (a surrogate key). Examples...

the natural key and Supplier_Key is a surrogate key. Technically, the surrogate key is not necessary, since the row will be unique by the natural key (Supplier_Code)...

a natural key as it is often composed of multiple natural key attributes. Composite keys use less disk space as compared to defining a surrogate key column...

C, and D. Its key signature has one sharp, on the F. Its relative major is G major and its parallel major is E major. The E natural minor scale is:...

The Windows key (also known as win, start, logo, flag or super key) is a keyboard key which was originally introduced on Microsoft's Natural Keyboard in...

phylogenetics, a single-access key (also called dichotomous key, sequential key, analytical key, or pathway key) is an identification key where the sequence and...

be shown in a key signature to indicate that sharps or flats in a previous key signature are cancelled. A note is referred to as 'natural' when the letter-name...

sometimes called a "natural" key. If no natural key is suitable (think of the many people named Brown), an arbitrary or surrogate key can be assigned (such...

surrogate primary key, usually a single-column integer data type, mapped to the combination of dimension attributes that form the natural key. Star schemas...

tree for showing both shared and serial ancestry. First, a cladogram or natural key is generated. Generalized ancestral taxa are identified and specialized...

Long Key Natural Area and Nature Center is a protected area with trails and rental facilities in Broward County, Florida. The 157 acre park is managed...

immutable natural key as a primary key. In a good database design, a natural key which can change should not be considered as a "real" primary key. Use of...

a key", is an unrelated usage that means the pitches considered "natural" for that instrument. For example, modern trumpets are usually in the key of...

were best studied as a whole. Some key developments in biology were the discovery of genetics, evolution through natural selection, the germ theory of disease...

separate row and attributes. Type 7 (Hybrid Approach): Both surrogate and natural key are used. A conformed dimension is a set of data attributes that have...

1981), known professionally as Alicia Keys, is an American singer and songwriter. A classically trained pianist, Keys began composing songs at the age of...

For instance, the A natural minor scale can be built by starting on the 6th degree of the C major scale: Because of this, the key of A minor is called...

mathematics, the natural numbers are the numbers 0, 1, 2, 3, and so on, possibly excluding 0. Some start counting with 0, defining the natural numbers as the...

its successor, the Natural Keyboard Elite, was introduced. Like the original Natural Keyboard, the Elite was manufactured by Key Tronic, who also assisted...

cooperative also operates stores under the Key Food Marketplace, Key Fresh & Natural, Food Dynasty, Urban Market, Food World, Food Universe Marketplace...

key exchange is a mathematical method of securely generating a symmetric cryptographic key over a public channel and was one of the first public-key protocols...

The Lesser Key of Solomon, also known by its Latin title Lemegeton Clavicula Salomonis or simply the Lemegeton, is an anonymously authored grimoire on...

Natural language processing (NLP) is a subfield of computer science and especially artificial intelligence. It is primarily concerned with providing computers...

performance is optimized for PKs. Other, more natural keys may also be identified and defined as alternate keys (AK). Often several columns are needed to...

The channel at the island's west end is one of the deepest natural channels in the Florida Keys. Marine life is quite plentiful in the waters surrounding...

diagrams are called natural keys or synopses and are not used for identifying specimens. In contrast, an artificial identification key is a tool that utilizes...

Windows, allowing users to customize the function keys and modify keys fairly extensively. The Microsoft Natural Keyboard has had several upgrades and refreshes...