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Consider a student club or organization in which you are a member. What are the data entities of this enterprise? List and define each entity. Then, develop an enterprise data model showing these entities and important relationships between them.
What does CHS stand for? List three items contained in the FAT database. List two features NTFS provides that FAT does not.
What is lock granularity? Explain the use of BEGIN, COMMIT, and ROLLBACK TRANSACTION statements. Explain the meaning of expression ACID transaction.
Suppose you have a table which contains 27,000 data records, and you have unclustered B+ Tree Index on the table.
Assume that 30% of science students are majoring in biology. Would you consider to be novel with respect to rule? Describe. Calculate confidence and support of rule.
ER Diagram of cardinality and modality bank management system and discription of bank management system
Recognize input data required for each of processes. Recognize logical name for each data output item and kind of data output (real number, integer, text).
Your task is to develop a database to support this activity.Here is what you need to be able to provide Custom Auto Body in order to land your first consulting contract:
Draw an object-oriented model for a small private airport database that is used to keep track of airplanes, their owners, airport employees, and pilots.
However, the only way you can access values is through queries to the databases. In single query, you can specify value k to one of two databases.
Sketch hash table of length 11 which results from using hash function h(i) = (2i + 5) mod 11, to hash the keys 12, 44, 13, 88, 23, 94, 11, and 39,
Explain why data flow diagrams are developed in a hierarchy? What are the names of some levels in the hierarchy?
Consider a relation schema r(A,B,C,D,E, F) and a set of functional dependencies {A BCD,BCDE,BD,DA}. Determine whether or not (A,E, F) is in BCNF and justify your answer. If (A,E, F) is not in BCNF,find a BCNF decomposition of it.
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