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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.
Foreign Keys and NULL Let us take the relation: DEPT DEPT ID DNAME BUDGET D1 M
In E-R diagram how generalization is represented? in E-R diagram generalization is represented by Triangle shape.
Question 1 Define OLTP? Explain the Differences between OLTP and Data Warehouse Question 2 What is Architecture? Explain various components involved in it Question
What do you understand by ACID? - ACID (Atomicity Consistency Isolation Durability) is a quality sought after in a reliable database. Here's the relevance of each quality:
It is mandatory that for every table in the LDB hierarchy there should exist one GET statement in the report. False. It is not essential.
A collection of a same kind of entities is known as an Entity Set or entity type. Example: For the COLLEGE database defines earlier objects of concern are Students, Faculty,
courier company er-diagram
Define NULL value NULL value NULL means something is unknown. It does NOT mean null (the digit 0). Null is as well employed as attribute value for a particular entity in which
Need a sample of a clinic database relationships
What is trigger? Triggers are statements that are executed automatically by the system as the side effect of a modification to the database.
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