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Q1) Write SQL queries for the books database (discussed in Section 22.3) that perform each of the following tasks:
a) Select all authors from the Authors table with the columns in the order lastName, firstName and authorID.
b) Select a specific author and list all books for that author. Include the title, year and ISBN number. Order the information alphabetically by title.
c) Add a new author to the Authors table.
d) Add a new title for an author
Prepare the relational schema for database
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?
Produce a scatterplot of Rent vs. Size (square meters of the apartment) for the rental data in rent.
Use technology and information resources to research issues in database systems. Write clearly and concisely about relational database management systems using proper writing mechanics and technical style conventions.
Data processing needs taking or receiving the data from a source and doing something with it. The same can be said about the transaction processing. When working along with a file, whether it be a fixed length.
Assume you manage business activity which needs a new IS with a database. The development team is divided on which DBMS you must use. One faction wishes to use oracle,a second wants to use MtSQL, and a third wants to use SQL server.
Draw the E/R diagrams for the business rules
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.
Create an entity-relationship diagram and design accompanying table layout using sound relational modeling practices and concepts.
What about giving same name to attributes which are in different tables but are not same? For instance, "Description" in both a Course table and a Classroom table.
Need a system that networks its 3 campuses in the US and one campus in Singapore. Transaction data for all campuses should be available to all locations. In addition, students should be able to use the Internet to view classes, enroll, register, and ..
Course: data mining. Require a 7 page essay on subjects: Warehouse Architectures: the paper requires to contain information about centralized, federated, and tiered data warehouse.
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