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Assignment: Prepare a 3- to 4-page paper for this assignment. Select an online database. Describe entities and attributes that the website must track. Diagram the relationship between entities that you have identified. The following are some examples of online databases: Website for searching past and current moviesWebsite for music titlesWebsite for drug, supplement, and herbal informationWebsite for car resale informationAny other data.
Create an ER diagram using the set of requirements provided for Oxford City Council's bicycle sharing scheme and identify the minimal set of functional dependencies and all candidate keys for the relation R
describe the challenges that an organization will face when changing business processes and how information systems
problem1 assumethefollowingsimpleb-treewithn4this tree consists of only a root node and three leaf nodes. recall that
Artificially small example of B+ tree is shown here (pdf). (Note only part of tree is shown in detail.) What nodes of example B+ tree are visited to find posting list for "dune"?
optimize the query in the select script using Alter Table to add appropriate indexes. Also use Optimize and Explain to show how the performance of this query has improved.
From the JD, the set of relation schemes SP, PJ, and JS is a lossless-join decomposition of SPJ. Construct an instance of SPJ to illustrate that no two of these schemes su?ce.
The array was the first example of a structured data type that can hold multiple values. The structure is the second example
Visual Studio Express to build a Web-site with Access database - Olivias Mountain Adventure Store (OMAS)
Create Entity-Relationship diagram for a bookstore database, that maintains information about books, professional journals, their authors, and publishers.
E-R diagram specializes a logical graphic model and it doesn't contain any data type or data information in a database.
please write sql statements to answer the following questions. your tables should still be on the oracle server. please
write sql dml statements that address the following requirements 1 update the employees table and give all employees
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