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Planning the DBLC
Describe one database failure that may occur once a database is placed into operation.
Identify where and by what actions the DLBC should address avoiding or mitigating this possible failure.
Logical and Physical Design
Suppose you are transforming the conceptual model of a concert ticketing database into a logical model. Select one of the steps you perform and identify the risks in that step. Analyze how you would avoid or mitigate those risks.
Select one of the steps you perform in the physical design of this database. Analyze how this step helps ensure security, integrity, and operability of the database.
Provide a brief synopsis analyzing the detailed requirements of your prototype database design and design a database prototype that includes diagrams, data dictionary, design decisions, limitations, etc.
q1. to what extent should end users be involved in the selection of a database management system and database
Explain the information-gathering techniques and design methods you would suggest to use for project. Recognize the key factors that help ensure the information required for the project.
Create a text file named Create_ StudentID .sql (for example, Create_3087654.sql) that will contain SQL statements to: Create a database named CTSDB StudentID.
Select an appropriate statistical measure to compare consistency of sales. Make the calculations and write a report. In your calculations, include the mean sales for each salesperson.
You have been given the following specifications of a simple database for a netball association that keeps record of players, teams and matches.
Energy in the home, personal energy use and home energy efficiency and Efficient use of ‘waste' heat and renewable heat sources
An E-R diagram of your database that clearly shows the primary and foreign keys - Database has minimum number of records in each table as specified in assignment instructions.
Show an alternative design using the General notations for the attribute described in Problem 2 that uses only entity types (including weak entity types if needed) and relationship types.
Convert the ERD into tables in Access. Submit screenshots. Use Access tools to generate forms for users to populate the tables.
If a foreign key contains either matching values or nulls, the table(s) that make use of such a foreign key is/are said to exhibit __________ integrity
What is the role of a DBMS, and what are it advantages? What are its disadvantages?
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