EBK DATABASE CONCEPTS
7th Edition
ISBN: 9780133544886
Author: AUER
Publisher: PEARSON CUSTOM PUB.(CONSIGNMENT)
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Textbook Question
Chapter 6, Problem 6.19RQ
Explain the benefits of marking transaction boundaries, declaring lock characteristics, and letting a DBMS place locks.
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Explain the benefits of marking transaction boundaries, declaring lock characteristics, and letting a DBMS place locks.
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Chapter 6 Solutions
EBK DATABASE CONCEPTS
Ch. 6 - Prob. 6.1RQCh. 6 - Explain how database administration tasks vary...Ch. 6 - Prob. 6.3RQCh. 6 - Prob. 6.4RQCh. 6 - Prob. 6.5RQCh. 6 - Prob. 6.6RQCh. 6 - Prob. 6.8RQCh. 6 - Prob. 6.9RQCh. 6 - Prob. 6.10RQCh. 6 - Prob. 6.11RQ
Ch. 6 - Prob. 6.12RQCh. 6 - Prob. 6.13RQCh. 6 - Prob. 6.14RQCh. 6 - Prob. 6.15RQCh. 6 - Prob. 6.16RQCh. 6 - Prob. 6.17RQCh. 6 - Prob. 6.18RQCh. 6 - Explain the benefits of marking transaction...Ch. 6 - Explain the use of the SQL transaction control...Ch. 6 - Prob. 6.21RQCh. 6 - Describe statement-level consistency.Ch. 6 - Prob. 6.23RQCh. 6 - Prob. 6.24RQCh. 6 - Prob. 6.25RQCh. 6 - Prob. 6.26RQCh. 6 - Prob. 6.27RQCh. 6 - Explain what serializable isolation level is. Give...Ch. 6 - Explain the term cursor.Ch. 6 - Prob. 6.30RQCh. 6 - What is the advantage of using different types of...Ch. 6 - Explain forward-only cursors. Give an example of...Ch. 6 - Explain static cursors. Give an example of their...Ch. 6 - Prob. 6.34RQCh. 6 - Prob. 6.36RQCh. 6 - Prob. 6.37RQCh. 6 - Describe the advantages and disadvantages of...Ch. 6 - Prob. 6.40RQCh. 6 - Prob. 6.41RQCh. 6 - Prob. 6.42RQCh. 6 - Prob. 6.44RQCh. 6 - Prob. 6.45RQCh. 6 - What is the advantage of making frequent...Ch. 6 - Summarize a DBAs responsibilities for managing...Ch. 6 - Prob. 6.48RQCh. 6 - Prob. 6.49RQCh. 6 - Prob. 6.50E
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- In a rollforward, the DBMS uses the log to undo any changes made to the database during a certain period. (515)arrow_forwardOne way to secure a database is to allow only administrators to have access to create and delete tables. (513)arrow_forwardDoes the DBMS or the user make the choice of which index to use to accomplish a given task?arrow_forward
- Access path A database table is composed of records and fields hold data. Data is stored in records. A field is a part of a record and contains a single piece of data for the subject of the record. The access path for finding the list of books is AUTHOR: AuthorID, Lname BOOKAUTHOR: AuthorID, ISBN BOOKS: Pubdate, ISBNarrow_forwardTrue or False: Mandatory security mechanisms of a DBMS can be set by the engineer implementing the database and include constraints to ensure data integrity such as: strict data types enforcing or requiring fields to be entered using lists to restrict data entry. Group of answer choicesarrow_forwardExplain the various types of key in DBMS with certain example,arrow_forward
- Mention the many granularity levels for locks in a database.arrow_forwardExplain the concept of indexing in a DBMS. How does indexing improve database performance, and what are the different types of indexing techniques available?arrow_forwardExplain the concept of data distribution in a distributed DBMS and its impact on system performance.arrow_forward
- An integrity constraint is a mechanism used by any DBMS tool to prevent invalid data entry into the table. Suggest all possible actions to be taken for preventing the violation of the data integrity constraints.arrow_forwardFor what reasons are approaches to access control in databases more important than those in flat-file settings? When it comes to maintaining order inside a database, what exactly does a DBMS manage to do?arrow_forward
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