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Draw an E-R diagram with all appropriate notation for the following situation. In a particular fruit-growing region there are a number of orchards. Each ORCHARD is identified by its LOCATION. In general, each orchard contains a large number of trees (assume that an orchard must contain at least one tree). A TREE entity has the attributes NUMBER (which is a serial number) and YEAR PLANTED. Each tree is a member of a single SPECIES (for example, apple, peach, and plum are species). A species is identified by a SPECIES NAME. Each species bears one or more varieties. For example, with grafted branches, an apple tree might bear two varieties: Yellow Delicious, and Jonathon. Each VARIETY is identified by a VARIETY NAME. Each variety is borne by exactly one species (thus for example, a Yellow Delicious apple can only be borne by an apple tree.). From the previous discussion, we can infer that each tree has one or more varieties. At a given time, a particular species may not have any trees as members, or have one or more trees. Similarly, a given variety may or may not be represented by trees at a given time.
The IT role for this project is to integrate different technologies from different partners and incorporate industry best practices and cost-effective solutions in connection with the development of technological systems and to implement proper se..
write 400-600 in your own words why is it important to define the scope and perform requirement analysis for the
You have been asked to explore three database alternatives for a merchant who provides shoes to retail stores. The merchant needs the database to keep the financial records, employee records, inventory records and general use records for the busin..
Research the type of backup strategy that your organization has for their data systems. Summarize your findings. Do you agree with the strategy that your organization is using. Why or why not
In the prior phase, you started work on some of the application's graphical user interface (GUI). In this assignment, you will add a data entry form to the GUI and create a local database that will synchronize data to the isolated storage containe..
Find the number and name of each customer that did not place an order on October 21, 2007
Write out the steps of the dialog between the user and the system for the use case Place new order for nursing home employees.
Write a CHECK constraint that expresses the following condition on attribute Rating in table Movies in Movie Database: "Any possible value of Rating is either a null value or a number in the interval from 0 to 10 inclusively".
Design a minimal relational database for Pieces Boutique. By minimal, it is meant that option to post a key into existing table because of either needed participation or a discernible high load could be exercised where appropriate.
Identify which U.S. compliance laws govern for each risk identified and summarize the implications. Evaluate how security policies, procedures, and practices can be utilized to mitigate each risk identified. Recommend appropriate security controls th..
MCIS 630 Database Systems: - Write a recursive SQL query that outputs the names of all subparts of the part with part-id “P- 100”.
Describe a general company security policy for the database "layer" of security only (avoid getting into network security protocols or application level security for this exercise, and assume that there are security mechanisms in place that allow ..
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