Exam 1: Database Systems
Exam 1: Database Systems72 Questions
Exam 2: Data Models75 Questions
Exam 3: The Relational Database Model74 Questions
Exam 4: Entity Relationship Ermodeling75 Questions
Exam 5: Advanced Data Modeling83 Questions
Exam 6: Normalization of Database Tables92 Questions
Exam 7: Introduction to Structured Query Language SQL92 Questions
Exam 8: Advanced SQL95 Questions
Exam 9: Database Design87 Questions
Exam 10: Transaction Management and Concurrency Control76 Questions
Exam 11: Database Performance Tuning and Query Optimization82 Questions
Exam 12: Distributed Database Management Systems72 Questions
Exam 13: Business Intelligence and Data Warehouses75 Questions
Exam 14: Big Data Analytics and NoSQL76 Questions
Exam 15: Database Connectivity and Web Technologies81 Questions
Exam 16: Database Administration and Security81 Questions
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The term refers to scattered locations storing the same basic data.
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islands of information
The response of the DBMS to a query is the .
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C
exists when different and conflicting versions of the same data appear in different places.
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One disadvantage of a database system over previous data management approaches is increased costs.
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A(n)develops when all required changes in the redundant data are not made successfully.
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__ __ exists when different versions of the same data appear in different places.
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relates to activities that make a database operate more efficiently in terms of storage and access speed.
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A is a character or group of characters that has a specific meaning.
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A(n)database is used by an organization and supports many users across many departments.
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What are the advantages of having the DBMS between the end user's applications and the database?
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is a special language used to represent and manipulate data elements in a textual format.
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databases focus primarily on storing data used to generate information required to make tactical or strategic decisions.
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