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For this assignment, research different roles and responsibilities of a database administrator. Research 3 routine tasks involved in database administration. What are they? How often should these tasks be done? How can they be managed in a complex system?
What is one not so routine task? Explain this task, and why it is not routine.
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?
Summarize briefly how to make use of indexes such as B+ tree or a hash indexes in selection, projection, and join operations?
Consider the following BCNF relational schema for a portion of a university database (type information is not relevant to this question and is omitted)
Prepare the first-stage allocation of overhead costs to the activity cost pools and prepare an action analysis report in good form
schema design part i the following describes what is expected in the design part of the assignment.1 dfd and er diagram
most spreadsheet software like that shown in the accompanying figure includes a kind of analysis tool where users can
Create a SQL Select Query to pull Product_ID, Product_Description and Units_Sold for Product 85773 from the CSS.Sales table. Hint: do not use the CSS prefix in your query
Code an Oracle Database trigger to enforce the constraint that an employee can never change his or her department.
case study gap fillergap filler is a recruitment and labour hire company i.e. lsquostaffing solutions that services the
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 the difference ways of implementing one-to-one relationships. Assume you are maintaining information on offices (office numbers, building, and phone numbers)
Write an SQL query to find out how many Computer Science departments are not in Victoria. Return the number - Discuss likely data integrity constraints on attributes and specify all candidate keys and the primary key for each relation based on the..
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