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Consider the E/R schema with weak entity sets shown below. Come up with the SQL CREATE TABLE statements (with appropriate primary key, unique and foreign key constraints). Include the SQL statements and appropriate screen shots showing that your CREATE TABLE statements succeeded into your submission document
What are the advantages of object oriented databases in comparison with others? Why it is still not widely used? Object oriented designs are coherent, efficient and less prone
Foreign Keys and NULL Let us take the relation: DEPT DEPT ID DNAME BUDGET D1 M
FDs in Entities : Student entity : Enrolment number → Student name, Address Course Entity :
Ask questioYou are the database administrator in a university. You have been tasked to come up with a new database for the University. Using the stages in Database Life Cycle come
Create centralized relational database using bottom up method. (a) Recognize a single un-normalized relation for the above scenario. (b) Recognize the primary key for
Run the following queries. For each query show 1) What you expect the output to be based upon the data 2) the SQL code and 3) the output running the query in Oracle. 1. Show all c
what is stracture of dabms
what is Nested relational model? Explain with examples.
What are the basic objects of the data dictionary? Tables Domains Data elements Structures Foreign Keys
data models are being replaced over years. Reasons and why does that happen?
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