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Consider the subsequent relations for a database which keeps track of business trips of salespersons in a sales office: SALESPERSON (SSN, Name, start_year, Dept_no) TRIP (SSN, Fr
explain the level architectures of the database management system
What is the used of specifying alias? Specifying alias: is used to rename column or attribute in a table.
Hi, Do you offer private tuition for DBMS?
need to get answer for questions 3&4 on this page in part 1
explain participation constraints with examples
complete assignment on the above title.
Explain the function of Object model Object model describes the classes of objects in system, including their attributes and operations which they support. The analysis object
explain the steps for reduction of er model into relational model?
Describe Participation Constraints? Participation Constraints - The participation constraint exacts whether the existence of an entity depends on its being related to another
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