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Data dictionary. A data dictionary, or metadata repository, as defined in the IBM Dictionary of Computing, is a "centralized repository of information about data such as meaning, relationships to other data, origin, usage, and format". [ 1] Oracle defines it as a collection of tables with metadata. The term can have one of several closely ...
Relational database. A relational database ( RDB[ 1]) is a database based on the relational model of data, as proposed by E. F. Codd in 1970. [ 2] A database management system used to maintain relational databases is a relational database management system ( RDBMS ). Many relational database systems are equipped with the option of using SQL ...
The Better Business Bureau (BBB) is an American private, 501(c)(6) nonprofit organization founded in 1912. BBB's self-described mission is to focus on advancing marketplace trust, [2] consisting of 92 independently incorporated local BBB organizations in the United States and Canada, coordinated under the International Association of Better Business Bureaus (IABBB) in Arlington, Virginia.
Experts explain the meaning and common examples to watch out for in new or long-term relationships. Plus, how to address them. 12 Relationship Red Flags: Meaning, Examples, Signs and What to Do
The formal definition of a database schema is a set of formulas (sentences) called integrity constraints imposed on a database. [citation needed] These integrity constraints ensure compatibility between parts of the schema. All constraints are expressible in the same language. A database can be considered a structure in realization of the ...
Experts explain the meaning and common examples to watch out for in new or long-term relationships. Plus, how to address them. 18 relationship red flags you should never ignore, according to experts
v. t. e. A concept map or conceptual diagram is a diagram that depicts suggested relationships between concepts. [ 1] Concept maps may be used by instructional designers, engineers, technical writers, and others to organize and structure knowledge . A concept map typically represents ideas and information as boxes or circles, which it connects ...
Fictive kinship is a term used by anthropologists and ethnographers to describe forms of kinship or social ties that are based on neither consanguineal (blood ties) nor affinal ("by marriage") ties. It contrasts with true kinship ties. To the extent that consanguineal and affinal kinship ties might be considered real or true kinship, the term ...