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Discussion
1. Define the importance of indexes for unstructured data warehouses. Provide an example of unstructured data and the indexes that you would define to manage this data.
2. Describe the skills involved in the design of unstructured data warehouses that are different than developing a multiple dimension model.
To lock any other vertex, the transaction must have visited all the parents of that vertex and must be having a lock on one of the parents of the vertex. Show that the protocol ensures serializability and deadlock freedom.
How can you make your database more hacker proof? How do you ensure the security of an organizations distributed database?
Analyse requirements for the construction of a database system based on an understanding of performance issues and Gather and analyse data for database performance and tuning.
It is not uncommon to have to access the data which reside in different tables, especially when formulating a report.
State the defnition of a lossless-join decomposition with respect to this example. Answer this question concisely by writing a relational algebra equation involving R, R1, and R2.
Describe the purpose of the database. Based on your research and / or common knowledge of a college and the information tracked by a college, describe the entities of the database and the attributes of each entity
Explain the fundamentals of how data is physically stored and accessed and compose conceptual data modeling techniques that capture information requirements - design a relational database so that it is at least in 3NF.
Draw an functional decomposition diagram that shows the main operations described in the fact statement - prepare a context diagram and diagram 0 DFD for the new system.
A description on your approach The features of your enhanced ERD A discussion about handling the M:M relationship between customer and products The approach used to ensure 3NF Required SQL statements for the database Star schema
Draw the decision tree for searching a nine-element sorted list. What is the depth of the tree? Does it appear that this is an optimal algorithm?
Create documentation describing the principles and importance of normalization in relation to this project and the process by which this project was normalized.
query 1 write a sql statement to display students first and last name. query 2 write a sql statement to display the
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