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Conceptual view of a data warehouse
Design a high-level conceptual view of a data warehouse (DW) for Huffman Trucking using Microsoft Visio that shows the following:
a) Integration layers
b) The data warehouse, with a Star Schema showing a Fact table and various dimension tables with all their needed fields and relationships, as covered in the class material.
c) Recommended data marts
Include arrows to show ETL (extract, transform, and load) locations and direction, and paste a screen shot of the above Visio Star schema along with the DW description in a Word document.
Design the Update trigger on Part table which raises an error string if Count field of updated row has a higher value than value prior to Update.
What are some suggestions as to how to track down offenders of these crimes you've identified - Computer crime has become a serious matter
Convert the table to 3NF. Represent your answer in DBDL. (i.e. Give table name and fields. Underline the primary key. Draw an entity-relationship diagram showing all relationships.)
Build a database and produce a query report that shows 10 fields as in Table iamge using Microsoft Access
There are many kinds of relationships in a design model of a database. Why is it important to classify each of these types in an ERD Model?
Describe briefly what are the main benefits of using DBMS to manage data in program applications involving extensive data access.
Describe entities and attributes that the website must track.
Draw an ERD for the following problem with attributes, primary keys, cardinalities and participation constraints and specialization, if appropriate
Assume that the value of attribute Z of the last record in the relation is changed from z3 to z2. Now list all the functional dependenciesthat this relation instance satis?es.
Create new DOM documents for each of your .xml file and .xsl file. Use these to generate output to the browser.
our current database uses dictionary-managed tablespaces. In running various performance tuning scripts, you have discovered that one of these tablespaces seems to have run out of space long before you calculated that it would.
Assume you are making a database to help university keep track of its course offerings. You might have following entities in database, as they are distinct items in real life.
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