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You are required to write a report which evaluates two of the following issues in relation to your case study database:
a. Security issues
b. Performance issues
c. Backup and recovery
High marks are more likely to be awarded to reports that include material outside that covered in lectures and lecture handouts (and cited and referenced correctly using Harvard referencing). Note that there must be consideration of how these issues apply to the case study organisation's database, not just coverage in general terms.
Which method of access uses key transformation? A Hash method of access uses key transformation.
Lack of standards and experience: The lack of standards has considerably limited the potential of distributed DBMSs. As well, there are no tools or methodologies to help users cha
What was the method in which records are physically stored in a specified order according to a key field in each record ? A method in which records are physically stored within
The clause in SQL which specifies that the query result should be sorted in ascending or descending order based upon the values of one or much more columns is Ans : Order by
Objectives After Reading this part, you should be able to: Explain the term CONCURRENCY; Describe the term transaction and concurrent transactions; Talk about co
Explain the steps for reduction of E-R model into relational model. Ans:(a) Entity set in E-R model will be considered as table name in relational Model. (b) Attributes of e
how does Btree differ from a B+ - tree?
Storage Of Database On Hard Disks At this point, it is worthwhile to note the difference among the terms file Organisation and the access method. A file organisation shows to t
Describe domain constraints. Domain constraints contain entity integrity and referential integrity. The domain is a set of values that might be assigned to an attribute. The en
Define the phases of two phase locking protocol Growing phase: a transaction may get locks but not release any lock. Shrinking phase: a transaction might be release locks bu
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