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A database is to be constructed to remain track of the teams and games of a sport league. A team has a number of players, not all of whom participate in every game. It is desired to remain track of the players participating in each game of each team and the result of the game.
Create an ER diagram, completely with attributes, keys and constraints, for the above description. State any assumptions that you make.
Differentiate sub-class and super-class? The specialization of a class is known as subclasses.eg: employee is a subclass of person and teller is a subclass of employee. Convers
Explain the term High level DML? High level DML A high-level or non-procedural DML permit the user to specify what data is needed without specifying how it is to be acquired.
Define identify relationship? Identifying relationship: An identifying relationship means in which the child table cannot be uniquely recognize without the parent. For exampl
Write short notes on Schema diagram. A database schema along with primary key and foreign key dependencies can be depicted pictorially by schema diagram. Every relation appears
Explain the components of Database System in details.
What is meant by the degree of relationship set? The degree of relationship type is the number of participating entity types.
How to use Oracle
1. Determine that the Checkpoints are a part of Ans: Checkpoints are a part of Recovery measures
What is an ERD?
Describe the candidate key functions ? Candidate Key and Alternate Key: In some instances, an entity will have more than one attribute which can serve as a primary key. Any key
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