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What are the properties in a relation ?
In a relation Ordering of rows is immaterial and No two rows are identical.
Consider the following database schema: STAFF(StaffNo, fName, lName, Position, sex, dob, branchNo) BRANCH(BranchNo, Street, City) Assume the following for the above database
discuss the purpose of the concurrency control?
What are the requirements to ensure the objectives of file management principle is realized?
Critically evaluate the bulleted list of information-related items in this case study. How are each contradictory to the notion of being an information-literate knowledge worker?
List some instances of collection types? a) sets b) arrays c) multisets
what is Mapping Constraints? with examples
case study
File Organisation And Its Types Just as arrays, trees, lists and other data structures are used to execute data Organisation in main memory, a number of planning's are used to
Read the description below and draw an Entity-Relationship diagram for it. You must use the symbols described in the course materials. This database will help the Parents Assocc
Define data model? A data model is a collection of conceptual tools for explaining data, data relationships, data semantics and consistency constraints.
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