Database Systems: Design, Implementation, & Management
13th Edition
ISBN: 9781337627900
Author: Carlos Coronel, Steven Morris
Publisher: Cengage Learning
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Chapter 11, Problem 14RQ
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Recommendations in managing data files in DBMS with many tables and index:
The below are the recommendations to manage the data files present in DBMS (
Step 1: Independent data files are created for the system, indexes and for user data table space.
- The data are needed to be maintained on the separate disks or RAID (Redundancy Array Independent Disks) volumes.
- The data is maintained in separated disk will make sure that any operations related to the index will not conflict with the operations such as table access of data dictionary or end user data processing.
Step 2: End users tables that have high usage are being placed at own table space.
- This action will minimize the conflicts that occur with other tables...
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Chapter 11 Solutions
Database Systems: Design, Implementation, & Management
Ch. 11 - Prob. 1RQCh. 11 - What index should you create? Write the required...Ch. 11 - What is the focus of most performance-tuning...Ch. 11 - What are database statistics, and why are they...Ch. 11 - How are database statistics obtained?Ch. 11 - What database statistics measurements are typical...Ch. 11 - How is the processing of SQL DDL statements (such...Ch. 11 - In simple terms, the DBMS processes a query in...Ch. 11 - If indexes are so important, why not index every...Ch. 11 - What is the difference between a rule-based...
Ch. 11 - Prob. 11RQCh. 11 - What are some general guidelines for creating and...Ch. 11 - Prob. 13RQCh. 11 - Prob. 14RQCh. 11 - Prob. 15RQCh. 11 - SELECT SELECT EMP_LNAME, EMP_FNAME, EMP_AREACODE,...Ch. 11 - Problem 1 and 2 are based on the following query:...Ch. 11 - Using Table 11.4 as an example, create two...Ch. 11 - Problems 46 are based on the following query:...Ch. 11 - Problems 46 are based on the following query:...Ch. 11 - Prob. 6PCh. 11 - Problems 732 are based on the ER model shown in...Ch. 11 - Problems 732 are based on the ER model shown in...Ch. 11 - Problems 732 are based on the ER model shown in...Ch. 11 - Problems 732 are based on the ER model shown in...Ch. 11 - Problems 1114 are based on the following query:...Ch. 11 - Problems 1114 are based on the following query:...Ch. 11 - Problems 1114 are based on the following query:...Ch. 11 - Problems 1114 are based on the following query:...Ch. 11 - Problems 15 and 16 are based on the following...Ch. 11 - Problems 15 and 16 are based on the following...Ch. 11 - Problems 1721 are based on the following query:...Ch. 11 - Problems 1721 are based on the following query:...Ch. 11 - Prob. 19PCh. 11 - Prob. 20PCh. 11 - Problems 1721 are based on the following query:...Ch. 11 - SELECT SELECT P_CODE, P_DESCRIPT, P_PRICE,...Ch. 11 - Problems 2224 are based on the following query:...Ch. 11 - Problems 2224 are based on the following query:...Ch. 11 - Problems 25 and 26 are based on the following...Ch. 11 - Problems 25 and 26 are based on the following...Ch. 11 - Prob. 27PCh. 11 - Problems 27 and 28 are based on the following...Ch. 11 - Problems 2932 are based on the following query:...Ch. 11 - Problems 2932 are based on the following query:...Ch. 11 - Problems 2932 are based on the following query:...Ch. 11 - Problems 2932 are based on the following query:...
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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_forwardDoes the DBMS or the user make the choice of which index to use to accomplish a given task?arrow_forwardWhat are the main challenges associated with ensuring data consistency in a Distributed DBMS, and how can they be addressed?arrow_forward
- How does data fragmentation and allocation work in a distributed DBMS, and why is it important?arrow_forwardDescribe the challenges associated with maintaining data consistency in a distributed DBMS.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_forward
- What is data fragmentation in the context of a distributed DBMS, and how does it affect data distribution and retrieval?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_forwardWhen it comes to DBA maintenance, what happens once a DBMS has been chosen and implemented?arrow_forward
- How does data consistency maintenance differ in a distributed DBMS compared to a single-site DBMS? Provide examples.arrow_forwardJustify the need of database access control methods above those used in flat-file settings. What precisely do DBMSs do to help control the database environment?arrow_forwardWhat strategies are used to distribute data in a distributed DBMS? Discuss the advantages and disadvantages of different data distribution techniques.arrow_forward
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