Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
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.
State the Component Diagram A component diagram represents a set of component and relationships among them. In a dynamic model, component diagram is used to model physical com
What is object identity? An object retains its identity even if some or all the values of variables or explanations of methods change overtime.
Derived horizontal fragmentation: Some applications may include a join of two or more relations. If the relations are stored at dissimilar locations, there may be a major overhead
Draw an ER diagram that represents the information described below. Show all entity sets, relationship sets, primary keys, and the mapping cardinality of the relationship sets.
what problems are raised by the database? why is it so controversial? why is data quality an issue?
Analyzing Association Traversal Association Traversal shall be understood properly for the association design explanation. Analyzing association traversal means analyzing tra
Describe the Association: Design Before we describe association design let us define association "Association is set of links between two objects in the object model". It is
In this assignment, you will create a program that works with multiple tables. In this assignment, you will work with the factory and sales tables. 1. Create a new project nam
Mappings between Levels and Data Independence The 3 levels of abstraction in the database do not exist separately of each other. There must be some correspondence, or mapping
Question: Using the data model express the following queries in SQL. (a) Create the Table named "Cinema" and make the cinema_code to be the primary key of the relation and
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd