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Advanced Oracle PL/SQL Developer's Guide (Second Edition)

You're reading from   Advanced Oracle PL/SQL Developer's Guide (Second Edition) Master the advanced concepts of PL/SQL for professional-level certification and learn the new capabilities of Oracle Database 12c

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Product type Paperback
Published in Feb 2016
Publisher
ISBN-13 9781785284809
Length 428 pages
Edition 2nd Edition
Languages
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Author (1):
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Saurabh K. Gupta Saurabh K. Gupta
Author Profile Icon Saurabh K. Gupta
Saurabh K. Gupta
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Toc

Table of Contents (14) Chapters Close

Preface 1. Overview of PL/SQL Programming Concepts FREE CHAPTER 2. Oracle 12c SQL and PL/SQL New Features 3. Designing PL/SQL Code 4. Using Collections 5. Using Advanced Interface Methods 6. Virtual Private Database 7. Oracle SecureFiles 8. Tuning the PL/SQL Code 9. Result Cache 10. Analyzing, Profiling, and Tracing PL/SQL Code 11. Safeguarding PL/SQL Code against SQL injection 12. Working with Oracle SQL Developer Index

Oracle SecureFiles


Oracle SecureFiles were introduced in Oracle Database 11g Release 2 to enable optimized storage of large objects and enhanced performance. SecureFiles are re-engineered LOB storage architecture that is designed to leverage the joint capabilities of an Oracle Database and a file system. Oracle SecureFiles greatly benefitted from the file system-like features such as deduplication, compression, and encryption. In addition, the SecureFiles data works with trusted database features such as flashback, fine-grained auditing, Real Application Clusters, Automatic Storage Management, and Information Lifecycle Management. The optimization features in SecureFiles are deduplication, compression, and encryption.

With the introduction of Oracle Securefiles, the older LOB, that is, all LOBs until Oracle Database 11g Release 1, will be known as BasicFiles.

Deduplication and compression

Let us first understand what optimizes the SecureFiles storage on the disk. Oracle SecureFiles gives the...

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