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Some vendors' versions of SQL have proprietary extensions (i.e., additional functionality) not found in standard SQL.
Why do you think they do this? In your view, what are the advantages and disadvantages of doing this?
Is it a good idea for end users (developers, DBAs, etc.) to use these extensions? Discuss how SQL differs from a programming language that you are familiar with.
What are your general opinions of SQL so far? Is it easy or hard? Useful or not useful?
Imagine that you work for a finance industry-based organization. Your organization is looking to submit its database design documentation to an evaluation team in order to meet Sarbanes-Oxley (SOX) compliance
the instructor reserves the right to use the resources of turnitin.com to check for plagiarism in your writing
Briefly explain the ARIES recovery algorithm, including the main phases, main principles and key ideas behind the algorithm such as WAL protocol and checkpointing etc.
Find the name and membership number of members who have borrowed more than five different books of that publisher.
Implement that entity as a database table with two subtypes, Games and Movie.
Koszyk Manufacturing Corporation has a traditional costing system in which it applies manufacturing overhead to its products using a predetermined overhead rate based on direct labor-hours
Database normalization can principally be cleared as the practice of optimizing table structures. Optimization is adapted as a result of a thorough investigation of the numerous parts of data that will be stored within the database.
Describe how an ERD can be taken as a logical representation, and implemented into a physical representation in a database. Find and explain some more advanced SQL queries that a DBA might use to find some specific information about a database
How does this ranking compare with ranking obtained using the cosine similarity measure in Exercise 20? If there are differences between the rankings, then discuss why you think these differences occurred.
As an external consultant, you have been hired by Overstock.com to evaluate the effectiveness of the processes they undertook in implementing its ERP system and to present your evaluation in report format to the CEO Patrick Byrne
What is Recovering a database via rollforward? What is aim of transaction log? What is contained in transaction log?
Develop a domain model for the car park system. Express your model with a class diagram, showing any inheritance and compositional relationships.
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