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Database Systems: Design, Implemen...

12th Edition
Carlos Coronel + 1 other
Publisher: Cengage Learning
ISBN: 9781305627482

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BuyFindarrow_forward

Database Systems: Design, Implemen...

12th Edition
Carlos Coronel + 1 other
Publisher: Cengage Learning
ISBN: 9781305627482
Chapter 16, Problem 26RQ
Textbook Problem
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Identify some bottlenecks in DBMS performance, and then propose some solutions used in DBMS performance tuning.

Program Plan Intro

Database Administrator (DBA's):

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.

The DBA’s technical role needs the functions of database management system (DBMS), structure, programming languages, and methodologies of data-modeling and design.

Explanation of Solution

Database is an organized data collection, and every data present is related to each other in some way.

  • It contains the occurrences of data to satisfy the needs of the user in an organization.

Database performance is most difficult for application performance as this is major reason for bottlenecks in DBMS performance.

Some bottlenecks in Database Management System (DBMS) performance:

The list of reasons for bottlenecks in DBMS performance is given below:

  • Inadequate the query plan and inefficient SQL statement.
  • Problems in database configuration may be out of date.
  • Lack of database connections.
  • Inadequate data cache storage.
  • Missing the indexes and outdated statistics.
  • Deadlocks and excess of rows at time processing...

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Chapter 16 Solutions

Database Systems: Design, Implementation, & Management
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Ch. 16 - Describe the DBAs responsibilities.Ch. 16 - How can the DBA function be placed within the...Ch. 16 - Why and how are new technological advances in...Ch. 16 - Explain the DBA departments internal organization...Ch. 16 - Explain and contrast differences and similarities...Ch. 16 - Explain how the DBA plays an arbitration role...Ch. 16 - Describe and characterize the skills desired for a...Ch. 16 - What are the DBAs managerial roles? Describe the...Ch. 16 - What DBA activities support end users?Ch. 16 - Explain the DBAs managerial role in the definition...Ch. 16 - Protecting data security, privacy, and integrity...Ch. 16 - Discuss the importance and characteristics of...Ch. 16 - Assume that your company has assigned you the...Ch. 16 - Describe the activities that are typically...Ch. 16 - Why are testing and evaluation of the database and...Ch. 16 - Identify some bottlenecks in DBMS performance, and...Ch. 16 - What are typical activities in the maintenance of...Ch. 16 - How do you normally define security? How is your...Ch. 16 - What are the levels of data confidentiality?Ch. 16 - What are security vulnerabilities? What is a...Ch. 16 - Define the concept of a data dictionary, and...Ch. 16 - Using SQL statements, give some examples of how...Ch. 16 - What characteristics do a CASE tool and a DBMS...Ch. 16 - Briefly explain the concepts of information...Ch. 16 - Identify and explain some critical success factors...Ch. 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 - In Oracle, what is a database role?Ch. 16 - In Oracle, what is a datafile? How does it differ...Ch. 16 - In Oracle, what is a database profile?

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