Database Systems: Design, Implementation, Management, Loose-leaf Version
12th Edition
ISBN: 9781305866799
Author: Coronel, Carlos; Morris, Steven
Publisher: Course Technology
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Chapter 1, Problem 5RQ
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Structural Independence and its importance:
- Structural Independence is making changes in the
database structure without affecting the access of data...
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Chapter 1 Solutions
Database Systems: Design, Implementation, Management, Loose-leaf Version
Ch. 1 - Prob. 1RQCh. 1 - Prob. 2RQCh. 1 - Prob. 3RQCh. 1 - Prob. 4RQCh. 1 - Prob. 5RQCh. 1 - Prob. 6RQCh. 1 - Prob. 7RQCh. 1 - Prob. 8RQCh. 1 - Prob. 9RQCh. 1 - Prob. 10RQ
Ch. 1 - Prob. 11RQCh. 1 - Prob. 12RQCh. 1 - Prob. 13RQCh. 1 - What are some basic database functions that a...Ch. 1 - Prob. 15RQCh. 1 - Prob. 16RQCh. 1 - Prob. 17RQCh. 1 - Prob. 1PCh. 1 - Prob. 3PCh. 1 - Prob. 4PCh. 1 - Prob. 5PCh. 1 - Prob. 6PCh. 1 - Prob. 7PCh. 1 - Prob. 8PCh. 1 - Prob. 9PCh. 1 - Prob. 10PCh. 1 - Using your schools student information system,...
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- The normalization of relationships is often the result of EER dialogues; but, why is normalization so important?arrow_forwardPLEASE SOLUTION WITH EXPLAIN Q12: what is changing one requirement, while taking into account competing requirements A. Software Feasibility B. Software Consistency C. Software Maintainability D. Software Stability Q13: When a software keeps changing during its development A. Software Consistency B. Software Stability C. Software Durability D. Software Testability Q14: In database ER diagram, how do we uniquely identify relationships? A. Primary key of participating entities B. Primary key of the relation itself C. By its attributes D. Relationships cannot be uniquely identified Q15: What is a foreign key? A. Primary key of a participating relation B. Super key C. Composite key D. Primary key of a relation Notaty 365 Q17: Which one is Interior Gateway? A. ISIS B. OSPF C. RIP D. All of themarrow_forwardExists a difference between structural and data autonomy?arrow_forward
- Why are "normalised" relationships, which may result from EER discussions, so crucial?arrow_forwardIn the section “Disadvantages of File Processing Systems,” the statement is made that the disadvantages of file processing systems can also be limitations of databases, depending on how an organization manages its databases. First, why do organizations create multiple databases, not just one all-inclusive database supporting all data processing needs? Second, what organizational and personal factors are at work that might lead an organization to have multiple, independently managed databases (and, hence, not completely follow the database approach)?arrow_forwardDoes compliance with entity and referential integrity mean that a database is dependable, or does it imply anything else?arrow_forward
- A database's ability to support both entity and referential integrity raises the question of whether or not it can be relied upon.arrow_forwardCould you describe the duties of a database administrator for me? What ought to be his primary priorities at work, if there are any?arrow_forwardcomputer engineering: please solution with explain Q12: what is changing one requirement, while taking into account competing requirements A. Software Feasibility B. Software Consistency C. Software Maintainability D. Software Stability Q13: When a software keeps changing during its development A. Software Consistency B. Software Stability C. Software Durability D. Software Testability Q14: In database ER diagram, how do we uniquely identify relationships? A. Primary key of participating entities B. Primary key of the relation itself C. By its attributes D. Relationships cannot be uniquely identified Q15: What is a foreign key? A. Primary key of a participating relation B. Super key C. Composite key D. Primary key of a relation Q16: What is a DBMS? A set of programs to handle databases Mo Q17: Which one is Interior Gateway? . Notty 365 A. ISIS B. OSPF C. RIP D. All of themarrow_forward
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