Entity-Relationship Model Entity sets • A database can be modeled as:  a collection of entities,  relationship among entities. • Entity:-set of attributes  Eg:-…

1. 1|P a g eDBMS QUESTIONS1.) Define: Schema, Sub-schema, Instances, Entity, Attribute, and Domain.Schema: It is the set of formulas that specify integrity constraints imposed…

Slide 1Fostering worldwide interoperabilityGeneva, 13-16 July 2009 Machine to Machine Communications (M2M) Anil Kripalani, TIA Global Standards Collaboration (GSC) 14 DOCUMENT…

How about doing an ER design interactively on the board? Suggest an application to be modeled. ©Silberschatz, Korth and Sudarshan 2.* Database System Concepts Weak Entity…

How about doing an ER design interactively on the board? Suggest an application to be modeled. ©Silberschatz, Korth and Sudarshan 2.* Database System Concepts Weak Entity…

Slide 1 ©Silberschatz, Korth and Sudarshan2.1Database System Concepts Weak Entity Sets An entity set that does not have a primary key is referred to as a weak entity set.…

Example ©Silberschatz, Korth and Sudarshan 2.* Database System Concepts Silberschatz 2.3 Construct an E-R diagram for a hospital with a set of patients and a set of medical…

Example ©Silberschatz, Korth and Sudarshan 1.* Database System Concepts Silberschatz 2.3 Construct an E-R diagram for a hospital with a set of patients and a set of medical…

How about doing an ER design interactively on the board? Suggest an application to be modeled. ©Silberschatz, Korth and Sudarshan 2.* Database System Concepts Weak Entity…

How about doing an ER design interactively on the board? Suggest an application to be modeled. ©Silberschatz, Korth and Sudarshan 2.* Database System Concepts Weak Entity…