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  2. Relational models theory - Wikipedia

    en.wikipedia.org/wiki/Relational_models_theory

    The four relational models are as follows: Communal sharing (CS) relationships are the most basic form of relationship where some bounded group of people are conceived as equivalent, undifferentiated and interchangeable such that distinct individual identities are disregarded and commonalities are emphasized, with intimate and kinship relations being prototypical examples of CS relationship. [2]

  3. Leader–member exchange theory - Wikipedia

    en.wikipedia.org/wiki/Leader–member_exchange...

    The leader–member exchange (LMX) theory is a relationship-based approach to leadership that focuses on the two-way relationship between leaders and followers. [1]The latest version (2016) of leader–member exchange theory of leadership development explains the growth of vertical dyadic workplace influence and team performance in terms of selection and self-selection of informal ...

  4. Codd's 12 rules - Wikipedia

    en.wikipedia.org/wiki/Codd's_12_rules

    Codd's twelve rules [1] are a set of thirteen rules (numbered zero to twelve) proposed by Edgar F. Codd, a pioneer of the relational model for databases, designed to define what is required from a database management system in order for it to be considered relational, i.e., a relational database management system (RDBMS).

  5. Edgar F. Codd - Wikipedia

    en.wikipedia.org/wiki/Edgar_F._Codd

    Edgar Frank "Ted" Codd (19 August 1923 – 18 April 2003) was an English computer scientist who, while working for IBM, invented the relational model for database management, the theoretical basis for relational databases and relational database management systems.

  6. Relational model - Wikipedia

    en.wikipedia.org/wiki/Relational_model

    The relational model (RM) is an approach to managing data using a structure and language consistent with first-order predicate logic, first described in 1969 by English computer scientist Edgar F. Codd, [1] [2] where all data is represented in terms of tuples, grouped into relations.

  7. Beirut bombing victims' $1.68 billion Iran judgment ... - AOL

    www.aol.com/news/beirut-bombing-victims-1-68...

    A U.S. appeals court on Wednesday threw out a $1.68 billion judgment against Iran's central bank that had been won by family members of troops killed and injured in the 1983 bombing of the U.S ...

  8. Why the most serious charge in Luigi Mangione’s case is only ...

    www.aol.com/news/next-steps-luigi-mangione-case...

    The most serious charge against the man accused of killing the UnitedHealthcare CEO in broad daylight last week on a Manhattan sidewalk is murder in the second degree.. Given the image of the ...

  9. Full range leadership model - Wikipedia

    en.wikipedia.org/wiki/Full_Range_Leadership_Model

    The full range of leadership model (FRLM) is a general leadership theory focusing on the behavior of leaders towards the workforce in different work situations. The FRLM relates transactional and transformational leadership styles with laissez-faire leadership style.