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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.
Describing the purpose of database an its functionality, plus a detailed E-R diagram.
Carry out the following tasks below by using the correct SQL statements. Create the statements in Oracle by using the following steps (SQL > SQL commands > Enter Command). Determine the columns that make up the primary key of the l_lunch_items tabl..
Write the name(s) of employee(s) who works(work) on every project located in Houston. Write the name(s) of employee(s) who only works(work) on every project located in 'Houston.'
The DBA denormalized some of the data in the Premiere Products database to improve performance. Which field or fields cause the table to no longer be in third normal form? In which normal form is the denormalized table?
Write a command to list all the employees hired in 2003 and 2004. Sort the rows by the hire_date column in descending order.
Is software measurement equivalent to software metrics? What makes them different?
Your task is to develop a database to support this activity.Here is what you need to be able to provide Custom Auto Body in order to land your first consulting contract:
Create and run the following sql queries and submit the screen shot of your result. Also submit the file lab_06_03. sql
Suppose that we replace the wait and signal operations of monitors with a single construct await(B), where B is a general Boolean expression. Write a monitor using this scheme to implement the readers--writers problem.
List the students ID, name, GPA, and course Number such that all students have GPA greater than 3 . 5 and enrolled in a course in Jan 1, 2011. Find the names of all students who have GPA greater than 3.
Several times, database triggers are utilized to record logins by users. Here is the example of login trigger that inserts row into table every time a user connects.
Compute the functional dependencies which exist in following table. After determining the functional dependencies, transform this table to an equivalent collection of the tables which are in third normal form.
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