It's possible to build a database using either a relational or an object-oriented approach.
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- Explain the purpose of an interface in object-oriented programming. How does it differ from a class, and what are its advantages?Words like "Data Dictionary" and "Contrast Repository" are common in the field of computer science.What are the advantages of using data binding when building user interfaces?
- Explain the concept of data binding expressions and their role in dynamically updating user interfaces.Computer Science It is needed to design a database system for a pharmacy. The pharmacy contains many different items. Items may be products or medicines. Medicines are classified into different types either bills, injection, capsule or drugs or any combination of them. An item must be supplied by only one supplier. A supplier may supply many type of items. A customer may order many items. The pharmacy has a unique name, address and more than one telephone. The doctor can prescribe one or many medication, injections can not be bought without a doctor prescription. You are requested to draw the EERD diagram for the described system You are required to write down any assumptions made from your side You should add the attributes and cardinality for all the entities You are required to model the EERD into relational modelExplain the concept of marker interfaces and their usage in programming. Provide examples of marker interfaces from standard libraries or frameworks.
- _______________ is a special purpose programming language for accessing and manipulating data stored in a relational database.Using deep access is preferred over shallow access from the perspective of a developer, as opposed to a user.What are the primary advantages of using data binding in user interface development?