not listed. It is assumed that they will be “Identity” or “Auto-increment” columns and the DBMS will determine the proper identity value when the row is inserted. You may have to either modify your original data types for some of your table columns or modify the values below to fit your data types. For example‚ if you defined your gender column to be a 1-character column‚ you will need to use the values M or F instead of Male and Female. The IsActive column is another column that may require different
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above. C. Improve the quality of information resources. D. Protect information resources. E. Assign appropriate responsibilities for information resources. An information policy is typically aimed at improving: A. The utilization of data storage on servers. B. A culture of knowledge sharing. C. Errors from poor quality information. D. Opportunities from better usage of information. E. Openness of communications within an organization. Information management strategy
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Roll No.-41 Regd. No.-1050070080 TABLE OF CONTENTS: 1. INTRODUCTION 2. ABOUT THE DATABASE 3. PHYSICAL DATA MODEL FOR RAILWAY RESERVATION 4. E-R DIAGRAM 5. CREATION OF THE DATABASE 1. TRAIN_INFO 2. STATION_INFO 3. TRAIN_SCHEDULE 4. TRAIN_SEATS 5. RESERVATION 6. PASSENGER
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DECLARATION We hereby declare that this submission is our own work and to the best of our knowledge. It contains no materials previously published or written by another person‚ nor material which to substantial extend has been accepted for the award of any other degree or diploma at KIE or any other educational institution‚ except where due acknowledgement is made in the project. Any contribution made to the research by users‚ with whom I have worked at KIE or elsewhere is explicitly acknowledgement
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Windows Azure SQL Database Review Questions 1. What are the conditions for a table to be a relation? Each cell in a table must contain a single value‚ there should be no duplicated rows‚ and all the cells in a column must contain the same type of data 2. How do you link a table to another table? Link tables based on a relationship connecting the entities with common column in each table 3. What is functional dependency? Give an example of functional dependency. a functional dependency is a constraint
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Agenda • Overview • Information and Data Models • The relational model • Entity-Relationship diagrams • Types of relationships • Mapping entities to tables • Relational model concepts • Relational model constraints • Normalization 2 © 2011 IBM Corporation Supporting reading material & videos • Reading materials • Database Fundamentals eBook • • • • Chapter 1: Databases and information models Chapter 2: The relational data model Chapter 3: The conceptual data model (optional) Chapter 4: Relational
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management problem is properly understood and the feasibility study of the mentioned product is done‚ then the purpose of the study is not to solve the salon management problem but to make sure if the management problem is worth solving. Chapter 4 Data
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manipulated using non-procedural operations that return tables. This model was in vast contrast to the more traditional database theories of the time that were much more complicated‚ less flexible and dependent on the physical storage methods of the data. Note: It is commonly thought that the word relational in the relational model comes from the fact that you relate together tables in a relational database. Although this is a convenient way to think of the term‚ it’s not accurate. Instead‚ the word
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School of Arts & Sciences Department of Computers & Technology COMP 420 – Database Systems Assignment 3 Holiday Hotel has a database system that records data on the hotel rooms‚ and the guests that use the rooms. A portion of the database schema is given below. Guest personal data are recorded in the Guest table. The room is registered in the name of one guest‚ even if there are multiple persons sharing the room. Rooms are of various types (double bed‚ suite‚ etc.). The cost of the
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Assignment # 3 1a) List the columns of the two tables. Students (Student ID‚ firstName‚ lastName‚ Course ID) Courses (Course ID‚ CourseName) b) For each of the tables you created‚ what are the candidate keys? There are Students Table and Courses Table. Students Table: Candidate keys include student ID‚ firstName and lastName. Courses Table: They candidate key is the Course ID and courseName. c) For each of the tables you created‚ what is the primary key? The primary key of Students
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