Database Systems: Design, Implementation, & Management
12th Edition
ISBN: 9781305627482
Author: Carlos Coronel, Steven Morris
Publisher: Cengage Learning
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Chapter 16, Problem 12RQ
Program Plan Intro
The person responsible for the maintaining the shared and centralized database is known as Database Administrator (DBA).
The role and responsibilities of the DBA varies from organization to organization based on the size of the organization. Based on the organization, DBA defined either in line position or staff position.
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Specify the day-to-day activities associated with the DBA's technical role, which includes service design and implementation.
The eight cost estimation approaches may be paired with a number of heuristic criteria during DBMS query optimisation, each of which might have a significant influence on the DBA's workload.
When a DBMS optimizes a query, it may combine multiple heuristic rules and cost estimate strategies. How does this affect the DBA's workload?
Chapter 16 Solutions
Database Systems: Design, Implementation, & Management
Ch. 16 - Prob. 1RQCh. 16 - Prob. 2RQCh. 16 - Prob. 3RQCh. 16 - Prob. 4RQCh. 16 - Suppose that you are a DBA. What data dimensions...Ch. 16 - How and why did database management systems become...Ch. 16 - Using a single sentence, explain the role of...Ch. 16 - Prob. 8RQCh. 16 - Prob. 9RQCh. 16 - Prob. 10RQ
Ch. 16 - Prob. 11RQCh. 16 - Prob. 12RQCh. 16 - Prob. 13RQCh. 16 - Prob. 14RQCh. 16 - Prob. 15RQCh. 16 - Prob. 16RQCh. 16 - Prob. 17RQCh. 16 - Prob. 18RQCh. 16 - What DBA activities support end users?Ch. 16 - Prob. 20RQCh. 16 - Prob. 21RQCh. 16 - Prob. 22RQCh. 16 - Prob. 23RQCh. 16 - Prob. 24RQCh. 16 - Prob. 25RQCh. 16 - Prob. 26RQCh. 16 - Prob. 27RQCh. 16 - Prob. 28RQCh. 16 - Prob. 29RQCh. 16 - Prob. 30RQCh. 16 - Define the concept of a data dictionary, and...Ch. 16 - Using SQL statements, give some examples of how...Ch. 16 - Prob. 33RQCh. 16 - Prob. 34RQCh. 16 - Prob. 35RQCh. 16 - How have cloud-based data services affected the...Ch. 16 - What tool is used in Oracle to create users?Ch. 16 - In Oracle, what is a tablespace?Ch. 16 - Prob. 39RQCh. 16 - In Oracle, what is a datafile? How does it differ...Ch. 16 - Prob. 41RQ
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- A DBA's workload may be affected by the use of various heuristic rules for each of the eight cost estimates algorithms during DBMS query optimization.arrow_forwardDescribe the actions that are typically associated with the design and implementation services provided by the DBA's technical function.arrow_forwardDuring the process of DBMS query optimization, could you please discuss how each of the eight cost estimating methods may be matched with a distinct set of heuristic criteria and how this influences the amount of work that a DBA is required to carry out?arrow_forward
- Specify the duties of a DBA in terms of technical function design and execution.arrow_forwardExplain how each of the eight cost estimating strategies may be paired with different heuristic rules during DBMS query optimisation, and how this affects a DBA's workload.arrow_forwardDescribe the actions that are normally connected with the DBA's technical function's design and implementation services. What technical capabilities do you look for in a DBA?arrow_forward
- When it comes to DBA upkeep, what occurs once a DBMS has been chosen?arrow_forwardPlease explain how the DBA's workload is affected by the fact that each of the eight cost estimating techniques may be combined with its own special set of heuristic criteria during the process of DBMS query optimisation.arrow_forwardPlease elaborate on the typical duties associated with the technical function design and implementation services provided by a DBA.arrow_forward
- The criteria utilised by the DBMS during the optimisation of queries and the effect this has on reducing the quantity of work a DBA must perform.arrow_forwardAn description of how the DBMS may combine multiple heuristic rules and cost estimate techniques in the course of query optimisation, as well as how this may impact the amount of work done by the DBA.arrow_forwardPlease describe DBA technical function design and implementation tasks.arrow_forward
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