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You are to design a database for an insurance company. The data will include information about customers (name, address, phone number), information about insured cars (make, model, year, vehicle-ID#, license#, insurance rate), information about insured homes (address, insured value, insurance rate), and information about claims made on insured cars and homes (date of claim, date of settlement, amount of settlement). You may assume that all insured cars and homes are owned by a single customer, but you should allow a customer to own several cars and homes. Please state any additional assumptions you make about the real world in your design.
a) Specify an entity-relationship (E/R) diagram for your database. Don't forget to underline key attributes for entity sets and include arrowheads indicating the multiplicity of relationships (with rounded arrowheads for referential integrity). If there are weak entity sets or "isa" relationships, make sure to notate them appropriately.
1. create a function that returns the day of the week for a specified date.create or replace function
objectivesto analyse and comprehend a provided er diagram and database schemato implement a database based on the
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Consider a video game store. For each game, the database contains information about title, producing company name, designer(s) name(s), version of the game, type of the game and characters in the game.
Write a script that provides all of the information in, and duplicates the formatting of, Oracle's SQL*Plus describe command. Additionally, the output should add the comments on the rows. Input: owner and table name. Output: columns for Name, Null..
University XYZ needs a database that keeps track of students, what classes they taken and the grades for each of the classes.
Agencies typically keep the details of the employers they have dealt with, even when they have no current business with them.
Write the CREATE INDEX statements to create a clustered index on the GroupID column and a nonclustered index on the IndividuallD column of the GroupMembership table.
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