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CIS 430 - Advanced Database Topics | Assignment 3 | Complete Solution
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- (10 marks) In regards to DBMS performance,
- Show a simple example where a table normalized into two tables takes up more space than the denormalized original table, despite a demonstrated reduction in redundancy.
- Make up an example of two tables stored both separately and clustered.
- (10 marks) Make up a checklist for database dependability checking. Imagine you are the DBA, and list the things you would need to look at to ensure the database is
- Recoverable – it can recover quickly from hardware/software or power failures.
- Restorable - the system could somehow be brought up again relatively quickly after a disaster where the building burned down.
Some items might be features of the DBMS; others might be hardware or other software, or business arrangements and practices.
- (10 marks) Explore the web to find out about in-memory databases. Use at least three references, and list them. Do not copy and paste!
- Explain how they work and what advantages and disadvantages they bring.
- Explain what software/hardware/OS technology is necessary for them to work.
- Explain what they will change in DBMS technology.
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[Solved] CIS 430 - Advanced Database Topics | Assignment 3 | Complete Solution
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In this example, Denormalized table (ACTIVITY) will take space of three attributes (5 rows and 3 columns) while the two normalized tables STU-ACT (5 rows and 2 columns) and ACT-cost (4 rows and 2 columns) will cont...
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CIS 430 - Advanced Database Topics | Assignment 3 | Complete Solution
In this example, Denormalized table (ACTIVITY) will take space of three attributes (5 rows and 3 columns) while the two normalized tables STU-ACT (5 rows and 2 columns) and ACT-cost (4 rows and 2 columns) will contain more s...
Exper...
CIS 430 - Advanced Database Topics | Assignment 1 | Complete Solution
When Items are 842:
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=Ceil( log10(842+1)) =4
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