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Design a data warehouse for a electronics store chain. The chain has 20 stores in 5 cities. Each store has different sections including computers, DVDs, TVs, audio, home appliances etc. Each store has roughly 5,000 individual items. Each item is identified by an SKU (Stock Keeping Unit) and/or UPC (Universal Product Code). Go over the four design steps and create a detailed schema of the fact and dimensions tables with all the required attributes.
Is software measurement equivalent to software metrics? What makes them different?
Explain each of three database models, hierarchical, relational, and object-oriented, and provide specific referenced example of each of these model types implemented in a functioning database
Write a SELECT statement that returns three columns: InvoiceTotal From the Invoices table, 10% 10% of the value of InvoiceTotal.
Pick one of the different types of SQL statements (data definition language, data manipulation language, or data control language). Describe how that type of statement is use.
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..
Find the entities from the functional requirements. Entities can come from Nouns in the text, they may also come from forms, reports and legacy code.
Did the corresponding lines for invoices 1001 and 1008 in table LINE get deleted automatically? Can you explain why?
Write the application for university admissions office. Prompt user for a student's High School Grade Point and an admission test score.
What is lock granularity? Explain the use of BEGIN, COMMIT, and ROLLBACK TRANSACTION statements. Explain the meaning of expression ACID transaction.
Proceed with all steps in information-level design to add this user view to existing cumulative design. Is this table in1st NF?___No____ . If Yes skip. If not, write Table in DBDL notation after applying the methodology we use for converting into 1NF..
The first part is to create a database and some tables which will be appropriate for a home-budgeting application. That portion of the assignment should be completed from the MySQL console command line.
The data dictionary serves as an important data management tool by? assigning attributes to the data, maintaining data in updated form.
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