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Type of views : Simple views and Difficult Views Feature Simple Views Complex Views Number of tables One
I need help for my Uni assignments
Define the Boyce-Codd Normal Form with instance and also Compare BCNF and 3NF. Ans: BCNF: For each functional dependency X->Y in a set F of functional dependencies over relati
Submission Requirements All answers must be computer generated (including text and diagrams). The hand-in version must include a header page (or with sufficient space)
What is an ER diagram? Why is it used in Database management system (DBMS)?
What is the difference between a HAVING CLAUSE and a WHERE CLAUSE? HAVING CLAUSE - HAVING CLAUSE is used only with SELECT statement. - It is normally used in a GROUP BY
The data of a view is not physically stored, but derived from one or more tables. True the data of a view is not physically stored
Describe Parameteric end users? Parametric end users might be given update access, but are commonly not permitted to change the structure of data.
I need an ERD created for any original database(can be on anything). It needs to be 3NF. I then need all the CREATE STATEMENTS, INSERT STATEMENTS(anything you can think of as long
What is the difference between a key and a superkey? Key - A key a single attribute or a combination of two or more attributes of an entity set which is used to identify one
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