primary keys

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• Primary clustering — is the tendency for certain open addressing hash tables collision resolution schemes to create long sequences of filled slots. It is most commonly referred to in the context of problems with linear probing.These long chains degrade the hash table …   Wikipedia

• Margaret Keys — Background information Birth name Margaret Keys Born Derry, Northern Ireland …   Wikipedia

• Arrow keys — Cursor movement keys or arrow keys are buttons on a computer keyboard that are either programmed or designated to move the cursor in a specified direction.[1] The term cursor movement key is distinct from arrow key in that the former term may… …   Wikipedia

• Old House of Keys — Facade of the Old House of Keys …   Wikipedia

• List of The Keys to the Kingdom characters — The Keys to the Kingdom is a fantasy adventure book series, written by Garth Nix, started in 2003 with Mister Monday. The series follows the story of Arthur Penhaligon and his charge as the Rightful Heir of the Architect to claim the Seven Keys… …   Wikipedia

• Characters of The Keys to the Kingdom — The Keys to the Kingdom is a fantasy adventure book series, written by Garth Nix, started in 2003 with Mister Monday . The series follows the story of Arthur Penhaligon and his charge as the Rightful Heir of the Architect to claim the Seven Keys… …   Wikipedia

• Daniel Keys Moran — Not to be confused with Daniel Keyes. Daniel Keys Moran Born Daniel Keys Moran November 30, 1962 (1962 11 30) (age 48) Occupation Computer Programmer, Writer Daniel Keys Moran (born November 30, 1962), also known by his initials DKM, is an… …   Wikipedia

• Mouse keys — is a feature of some graphical user interfaces that uses the keyboard (especially numeric keypad) as a pointing device (usually replacing a mouse). Its roots lie in the earliest days of visual editors when line and column navigation was… …   Wikipedia

• Unique key — In relational database design, a unique key can uniquely identify each row in a table, and is closely related to the Superkey concept. A unique key comprises a single column or a set of columns. No two distinct rows in a table can have the same… …   Wikipedia

• Surrogate key — A surrogate key in a database is a unique identifier for either an entity in the modeled world or an object in the database. The surrogate key is not derived from application data. Definition Two definitions of a surrogate appear in the… …   Wikipedia

• Foreign key — In the context of relational databases, a foreign key is a referential constraint between two tables. [ [http://www.visualcase.com/kbase/database basics foreign keys.htm For a simpler visualization, see VisualCase.com] ] The foreign key… …   Wikipedia