set - A collection of well defined and distinct objects. eg:emp={001,002,003,004....}
Relation - table(employee)
tuple -row(which employee)
attribute-column(details about that employee)
set theory says what all can be done with relation(table) with various operators
union ,intersection,=,!=,<> etc
• Domain is the set of allowable values for one or more attributes.
Classical theory is a reference to established theory. Fuzzy set theory is a reference to theories that are not widely accepted.
Set theory was founded by Georg Cantor in 1873.
Who: Basically, the set theory was developed by Georg Cantor.
prove the intersction for crisp set theory
Robert Brown's contribution is mainly developing cell theory. (You can find another set of answers- type in "contribution of Robert brown in the development of cell theory.) All i can remember is this:. (sorry if not much) -He named 'nucleus" and suggests its importance in fertilization
• Domain is the set of allowable values for one or more attributes.
Wallace's contribution was almost similar to what Charles Darwin's theory of evolution is. Is that helpful?
yes it is a rdbms
what is rdbms and its application
Contribution of Henri fayol to the management
RDBMS (Relational Database Management System) is commonly used for storing, managing, and retrieving structured data. It provides features like data integrity, relationships between tables, and SQL querying for efficient data manipulation. RDBMS is widely used in various applications ranging from e-commerce websites, banking systems, healthcare record keeping, to enterprise resource planning (ERP) systems.
nothing
The cell theory
1. relational database management system(RDBMS) 2. object Rdbms. 1. relational database management system(RDBMS) 2. object Rdbms.
Atomic Theory
Schwann