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Discuss the types of integrity constraints in which must be checked for the update operations - Insert and Delete. Give examples. Insert operation can violet any of the subse
What is data definition language? Explain it in detail? The SQL DDL allows specification of not only a set of relations, but also information after each relation, containing
Consider an information system designed for an online company which provides IT products and services These include desktops, laptops, networking products, IT books, parts, and
find the name of supplier who supply some red part
Give the limitations of SQL authorization. The code for checking authorization becomes intermixed with the rest of the application code. Implementing authorization by applic
Write short notes on extension and intension? In any data model, it is significant to distinguish among the description of the database and the database itself the description
What is Gathering information and Producing ERD Gathering information: This could be a written document that explains the system in question with reasonable quantity of detai
State the Steps of Object Design Object design is a very iterative process in which various classes, relationships among objects are added when you move from one level to
Introductory course and so does not require any fancy coding. I will provide a guidance document to help you in producing the solutions.
Defining Internal Classes and Operations When we enlarge algorithms, new classes can be added to the store intermediate results. A complex operation could be looked at, as a c
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