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Compare the two non-sequential file structure models: the random (hashed) file and the index file. What advantages does the first one have over the second and what advantages does the second have over the first? What would be your criteria for choosing one over the other for different applications?
Identify the business processes which would be evaluated and tracked with a DW/BI application and state your reasoning or justification for including these in the DW/BI.
One of the tenets of database development is to never permit developers to create or own objects during development. All objects are created by application owner and stored in that schema.
Give examples of binary 1:N relationships, for (a) an optional-to-optional relationship, (b) an optional-to-mandatory relationship,
Create Entity-Relationship diagram for a bookstore database, that maintains information about books, professional journals, their authors, and publishers.
What is the maximum rate at which data can be read from disk, assuming that we can only read data from one surface at a time? What is the average rotational latency?
Write a query that performs an inner join of the grade, student, and grade_type tables using ANSI SQL 99 syntax (JOIN ON).
MGMT321 Group Project : You were hired as an analyst to develop a new information system to automate the payroll transactions in a mid-size organization. The proposed system will contain employees’ data and interface with the organization’s General ..
However, the only way you can access values is through queries to the databases. In single query, you can specify value k to one of two databases.
Using your knowledge of Premiere Products, determine the functional dependencies that exist in the following table.
Need a page and half on concept of organizational intelligence. It must specifically talk about organizational intellignece being outcome of organization's efforts to gather store, process and interpret data.
Draw an Entity Relationship diagram for the system and Identify the table design for the database displaying all the fields/attributes. Ensure that all tables are in 3NF. You also need to identify the primary keys and foreign keys, where applicable..
In talking about database security, some aspects to regard as are Data Integrity, Confidentiality, and Malicious Activity. Illustrate how does database security relate to data integrity?
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