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"Data Information Decision" Please respond to the following:
• With the obvious pace of current technology development, data continues to grow daily. Imagine that you are a Database Administrator for a large organization. Identify the primary decisions a Database Administrator must make in order to manage such data, maintain data integrity, and maintain a database at its most ideal level. Provide a rationale for your response.
• Suppose you are also in charge of securing your organization's data. Identify at least two data security measures that you believe are necessary to prevent data security issues. Justify your response.
Draw an ORM diagram for LineItemInvoice. Note, this diagram should be connected to the previous diagrams. You will need a nested object.
Compare activity (quite theoretical) of the disk (in number of bytes) required for each of both relational. Write down the advantages and inconveniences of new relational scheme.
Construct an entity-relationship (ER) model for the database. Make sure you include in your model details of entities, relationships, attributes, keys and limits in participation.
A patron can reserve a book or journal that has been lent out or is in the process of purchase. The reservation should be canceled when the patron checks out the book or journal or through a formal canceling service.
Write a program that models an employee. An employee has an employee number, a name, an address, and a hire date. A name consists of a first name and a last name.
Write an SQL query to find out how many Computer Science departments are not in Victoria. Return the number - Discuss likely data integrity constraints on attributes and specify all candidate keys and the primary key for each relation based on the..
Create a tree that models the following scenario. A player decides to play a maximum of 4 times, betting on red each time. The player will quit after losing twice. In the tree, any possible last plays will be an ending point of the tree.
Use SSIS perform ETL on the invoice data to populate the data warehouse, in doing so you should demonstrate the use of SSIS filters/expressions and SQL where appropriate - Create an OLAP cube from your data warehouse and perform.
Use a co-related sub-query to return one row per customer, representing the customer's oldest order (the one with the earliest date).
Note: The counties for the state capitals shown in the figure above are Travis and Williamson counties for Austin TX; Hartford county for Hartford CT; Clinton, Eaton, and Ingham counties for Lansing, MI; Davidson county for Nashville TN; Hughes co..
Write the script called checking that will take any number of filenames as command-line arguments and will print the names of those files that are readable and writeable text files.
XML is one of the base technologies around which many other technologies are developing. Describe an application used at work (or online) that is based on XML and discuss the advantages and disadvantages of XML in this application.
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