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The following assignment is based on the Oracle database environment created.
Design and develop the below queries using professional principles and standards:
• A set of SQL Statements that returns all rows and all data for each table in your database.
• Two SQL Statements that return a subset of columns and a subset of rows using the WHERE clause.
• Two SQL Statements that join two or more tables in one query. Look for primary and foreign keys to help you determine join points. Use the JOIN clause as a part of your queries.
Produce an Entity-Relationship diagram which represents the above activities of the insurance company. Indicate the names and degrees of all the relationships. Give appropriate attributes for each entity shown, and identify the primary key for eac..
Construct a relational schema for the ER-diagram. Make sure that you correctly translate Specialization and Many-to-Many relationships. Please follow carefully the following guidelines when you ?nish this question.
Name four attributes that you can use to define a data flow in the grocery inventory information system.
Explain the different Oracle data dictionary views
write a 200- to 300-word short-answer response for the followingdescribe the advantages and disadvantages of
Write the following procedures: woman_wants_to_enter, man_wants_to_enter, woman_leaves, man_leaves, using counters and sychronisation techniques to ensure that the correct behaviour will occur.
Create a few queries that allow you to practice concepts from the Lab. Please, don't simply post queries from this week's lab assignment! Post a screenshot of the query design and the results set in a Word document.
Create at least two different users and implement their permissions using SQL statements. Create a matrix to indicate the permissions (read, insert, delete, modify) you would grant to different users of your database
systems analysis and database designyou should back up your answers with theoryreferences from reliable sources - more
The problems below use the Customer, OrderTbl, and Employee tables of a simplified Order Entry database.
Provide a brief synopsis analyzing the detailed requirements of your prototype database design and design a database prototype that includes diagrams, data dictionary, design decisions, limitations, etc.
Design a database, a database planner should spend a considerable amount of time thinking about what kind of information will be included in the database and how it will be organized.
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