Synopses & Reviews
Synopsis
Speed up the execution of important database queries by making good choices about which indexes to create. Choose correct index types for different scenarios. Avoid indexing pitfalls that can actually have indexes hurting performance rather than helping. Maintain indexes so as to provide consistent and predictable query response over the lifetime of an application.
Expert Oracle Indexing and Access Paths is about the one database structure at the heart of almost all performance concerns: the index. Database system performance is one of the top concerns in information technology today. Administrators struggle to keep up with the explosion of access and activity driven by the proliferation of computing into everything from phones to tablets to PCs in our increasingly connected world. At the heart of any good-performing database lies a sound indexing strategy that makes appropriate use of indexing, and especially of the vendor-specific indexing features on offer.
Few databases fully exploit the wealth of data access mechanisms provided by Oracle. Expert Oracle Indexing and Access Paths helps by bringing together information on indexing and how to use it into one blissfully short volume that you can read quickly and have at your fingertips for reference. Learn the different types of indexes available and when each is best applied. Recognize when queries aren t using indexes as you intend. Manage your indexing for maximum performance. Confidently use the In Memory column store feature as an alternate access path to improve performance. Let Expert Indexing in Oracle Database 12c be your guide to deep mastery of the most fundamental performance optimization structure in Oracle Database.
- Explains how indexes help performance, and sometimes hinder it too
- Demystifies the various index choices so that you can chose rightly
- Describes the database administration chores associated with indexes
- Demonstrates the use of the In Memory column store as an alternate access path to the data
What You Will Learn
- Create an overall indexing strategy to guide your decisions
- Choose the correct indexing mechanisms for your applications
- Manage and maintain indices to avoid degradation and preserve efficiency
- Take better advantage of underused index types such as index-organized tables
- Choose the appropriate columns to index, with confidence
- Blend partitioning and materialized views into your indexing strategy
Who This Book Is For Expert Oracle Indexing and Access Paths is for all levels of database administrators and application developers who are struggling with the database performance and scalability challenge. Any database administrator involved with indexing, which is any database administrator period, will appreciate the wealth of advice packed into this gem of a book.
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Synopsis
1. Introduction to Oracle Indexes2. B-Tree Indexes3. Bitmap Indexes4. Index-organized Tables5. Specialized Indexes6. Partitioned Indexes7. Tuning Index Usage8. Maintaining Indexes9. SQL Tuning Advisor10. In Memory Column Store
Synopsis
Indexing is at the heart of any database administrator's job. Corporate databases must provide fast answers to business questions, and administrators are the first ones called when those answers come slowly. And in turn administrators inevitably turn to indexes -- their proper application and usage. Expert Oracle Indexing and Access Paths is a second edition of our four-star book on indexing for Oracle Database 11g. In this new edition the authors have revised their content to make it current with the most recent database release. Expert Oracle Indexing and Access Paths provides succinct guidance on the administrator's #1 performance tool -- the index.