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1. Suggest three (3) maintenance plans and three (3) activities that could be performed in order to improve data quality.
2. From the software development methodologies described in the article titled, "Process-centered Review of Object Oriented Software Development Methodologies," complete the following.
a. Evaluate which method would be efficient for planning proactive concurrency control methods and lock granularities. Assess how your selected method can be used to minimize the database security risks that may occur within a multiuser environment.
b. Analyze how the verify method can be used to plan out system effectively and ensure that the number of transactions do not produce record-level locking while the database is in operation.
Your assignment must follow these formatting requirements:
Write a script that calculates the common factors between 10 and 20. To find a common factor, you can use the modulo operator (%) to check whether a number can be evenly divided into both numbers.
Database Questions: What do you mean by data base scheme? What do you mean by cardinality ratio? What do you mean by degree of relation?
Create the database using three tables: one for student information, one for advisor information, and one for department information.
Illustrate relational algebra expressions for names of all salespeople, names of all salespeople having ORDER row and names of salespeople not having ORDER row.
What is file organization? what are file organization techniques.explain in detail? explain random file organization technique, multikey file organization technique?
Assess whether the prototyping would have helped the Primis team. Justify why or why not. Conclude why it was important to consider the relationship of Primis to back-end systems at McGraw-Hill
Prepare the first-stage allocation of overhead costs to the activity cost pools and prepare an action analysis report in good form
1.identify and discuss the serious data redundancy problems exhibited by the file structure shown in figure. the file
Write a program that will open a BLASTN nucleotide to nucleotide search output file, parse out specific information, and produce formatted output that will be written to STDOUT
What is the cost of joining R and S using a page-oriented simple nested loops join? What is the minimum number of buffer pages required for this cost to remain unchanged?
consider the eer diagram for a car dealer in the figure below. map the eer schema into a set of relations. for the
You are interested in examining some hard-to-obtain data from two separate databases. Each database comprises numerical values - so there are 2n values total
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