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1. What is the difference between a column constraint and a table constraint?
2. What is a recursive join?
3. Explain the difference between an ORDER BY clause and a GROUP BY clause.
4. What is a CROSS JOIN? Give an example of its syntax.
5. What three join types are included in the OUTER JOIN classification?
6. What is a correlated subquery? Give an example.
7. What is a subquery, and what are its basic characteristics?
8. What is a trigger, and what is its purpose? Give an example.
9. What is a stored procedure, and why is it particularly useful? Give an example.
Imagine that you have been hired to fulfill their need of enhancing the data repository for their current reservation processing system. Upon reviewing the system, you find that the data structure holds redundant data and that this structure lacks..
Your team has decided to discuss 1) cloud computing, 2) SaaS (software as a service), 3) web, social media, and big data, and 4) real-time data. Create a PowerPoint with a minimum of 5-7 slides to present how data warehousing is headed in these fo..
If a bounded amount of stable storage is used for the log, how can we always ensure enough stable storage to hold all log recordswritten during restart?
write a 200- to 300-word short-answer response for the followinga motor vehicle maintenance center wants to improve its
physical design and implementation it requires the use of a relational database management system. strayer university
Consider the university database from Exercise 2.3 and the ER dia-gram you designed. Write SQL statements to create the corresponding relations and capture as many of the constraints as possible. If you cannot capture some constraints, explain why.
Create Oracle database tables using SQL Data Definition Language (DDL) for each table listed in Project 1. Make sure that entity and referential integrity are enforced by declaring a primary key for each table (these may be composite keys) and dec..
Create a Data Flow Diagram (DFD) relating the tables of your database schema through the use of graphical tools in Microsoft Visio or an open source alternative such as Dia. Note: The graphically depicted solution is not included in the required page..
Consider designing a database for an antique store. What entities would you include? What would their attributes be?
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.
Design an Enhanced Entity-Relationship diagram for the ONLINE_AUCTIONdatabase and build the design using a data modeling tool such as ERwin orRational Rose.
Given the following business scenario, create a Crow's Foot ERD using a specialization hierarchy if appropriate. Tiny Hospital keeps information on patients and hospital rooms
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