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You want to implement following relationships when designing tables. How would you do it?
a.) One-to-one
b.) One-to-many
c.) Many-to-many
a.) One-to-One relationship - can be implemented as a single table and seldom as two tables with foreign and primary key relationships.
b.) One-to-Many relationships - by splitting data into 2 tables with foreign key and primary key relationships.
c.) Many-to-Many - by using a junction table with keys from both tables forming composite primary key of junction table.
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please give me introduction to full data in D B M S in a short assignment
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This project requires you to perform a systems analysis and then design a system solution using database software. Ace Auto Dealers specializes in selling new vehicles from Subaru.
Question 1 Explain the concept of Foreign Key. How a foreign key differs from a Primary Key? Can the Foreign Key accept nulls? Question 2 With a necessary example explain (i)
What is meant by data-transfer rate? The data-transfer rate is the rate at which data can be retrieved from or kept to the disk.
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