Construct a clean and concise ER diagram for the NHL database using the Chen notation as in your textbook. List your assumptions and clearly indicate the cardinality mappings

You may use the two page “logical design” handout (i.e., the one describing the steps required to transform an ER diagram into a relational database schema). A Hint: Be certain to read the …

E-R diagram for a Car-insurance company. 2.1 Explain the distinctions among the terms primary key, candidate key, and su-perkey. Answer: A superkey is a set of one or more attributes that, …

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Practice and solve ER diagram exercises with solutions in PDF format. Improve your understanding of entity-relationship diagrams.

In an Entity-Relationship (ER) model, suppose R is a many-to-one relationship from entity set E1 to entity set E2. Assume that E1 and E2 participate totally in R and that the cardinality of E1 is …

Design an ER diagram to capture the above requirements. State any assumptions you have that affects your design (use the back of the page if needed). Make sure cardinalities and primary …

2024年12月24日 · Explore in-depth practice questions with solutions on ER Diagrams, Relational Mapping, SQL Queries, Referential Integrity, B-Tree Indexing, and more. Perfect for GATE …

2021年4月4日 · Create an ER diagram for the following database scenario. Make sure to include an indication of the cardinality of relationships and indicate any mandatory relationships (total …

2024年11月1日 · Get ER Diagrams Multiple Choice Questions (MCQ Quiz) with answers and detailed solutions. Download these Free ER Diagrams MCQ Quiz Pdf and prepare for your …