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

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 , Second Edition

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

Chapter 2. Oracle 12c SQL and PL/SQL New Features

Oracle released Oracle Database 12c in July 2013. From a technology standpoint, it was an important product release as the focus was consolidation of databases on public and private cloud infrastructures. Oracle Database 12c introduces the new Multitenant architecture that allows multiple databases to run as a tenant within a single database. The new design assures tenant isolation and security, and enhances manageability of consolidated databases, Oracle Database 12c provides more than 500 new features including multitenant architecture and many others related to security, high availability, and performance. The chapter covers the key features introduced in the latest product release.

Oracle Database 12c has made considerable improvements to the SQL and PL/SQL languages. The language enhancements in Oracle Database 12c focus on support for ANSI SQL standards, effortless code writing and migration from non-Oracle to Oracle compliant...

Database consolidation and the new Multitenant architecture

Consolidation is the key enabler for moving databases to on-cloud models. An efficient consolidation strategy can provide elastic sharing of resources and maximize resource utilization in a consolidated stack. A database hosted on a public or private cloud must guarantee tenant isolation and security. In addition to the elementary requirements of cloud deployments, database provisioning on the cloud should be quick and easy.

Oracle Database 12c introduces a multitenant architecture that meets the challenges of cloud deployments. The new tenant-based architecture allows one or more application databases (known as pluggable databases) to run within a single database (known as the container database). Each pluggable database is completely shielded from all other pluggable databases running within the same container database. The architecture provides a unique mechanism to segregate the system and application metadata at the container...

Oracle 12c SQL and PL/SQL new features

SQL is the most widely used data access language while PL/SQL is a popular language that can integrate seamlessly with SQL commands. The biggest benefit of running PL/SQL is that the code processing happens natively within the Oracle Database. In the past, there have been debates and discussions on server side programming while the client invokes the PL/SQL routines to perform a task. The server side programming approach has many benefits. It reduces the network round trips between the client and the database. It reduces the code size and eases the code portability because PL/SQL can run on all platforms, wherever Oracle Database is supported.

Oracle Database 12c introduces many language features and enhancements that focus on SQL to PL/SQL integration, code migration, and ANSI compliance. This section discusses the SQL and PL/SQL new features in Oracle Database 12c.

IDENTITY columns

Oracle Database 12c introduces identity columns in SQL in compliance...

The Oracle Database 12c (12.1.0.2) In-Memory option

The Oracle Database 12.1.0.2 introduces the In-Memory option that has the capability to speed up real-time analytics by an order of magnitude. The faster analytics complements and enables real-time decision making. Long-running reports and ad-hoc analytical queries are expected to benefit the most. The feature can be implemented without any application changes and works transparently with no manual hindrance, thus resulting in improved productivity.

The challenge

Enterprise applications have been reported to have mixed workloads—that is, OLTP workloads and analytics processing. In the past, there have been a couple of approaches to segregating the workloads. Mixed workload production databases can run on the same system, but running both of them simultaneously would degrade the OLTP performance. Running workloads on separate server systems impacts the real-time decision making because data on the analytics server has to be refreshed...

Summary

This chapter familiarizes the readers with an overview of Oracle Database 12c. This chapter provides valuable insight to database developers in the application development space. Also, the chapter covers the top rated features of Oracle Database 12c, that is Multitenant and Database In-Memory. This chapter will help you understand the basic building blocks of a multitenant container database.

In the next chapter, we will cover the fundamentals of PL/SQL code design through cursors.

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Key benefits

  • Learn advanced application development features of Oracle Database 12c and prepare for the 1Z0-146 examination
  • Build robust and secure applications in Oracle PL/SQL using the best practices
  • Packed with feature demonstrations and illustrations that will help you learn and understand the enhanced capabilities of Oracle Database 12c

Description

Oracle Database is one of the most popular databases and allows users to make efficient use of their resources and to enhance service levels while reducing the IT costs incurred. Oracle Database is sometimes compared with Microsoft SQL Server, however, Oracle Database clearly supersedes SQL server in terms of high availability and addressing planned and unplanned downtime. Oracle PL/SQL provides a rich platform for application developers to code and build scalable database applications and introduces multiple new features and enhancements to improve development experience. Advanced Oracle PL/SQL Developer's Guide, Second Edition is a handy technical reference for seasoned professionals in the database development space. This book starts with a refresher of fundamental concepts of PL/SQL, such as anonymous block, subprograms, and exceptions, and prepares you for the upcoming advanced concepts. The next chapter introduces you to the new features of Oracle Database 12c, not limited to PL/SQL. In this chapter, you will understand some of the most talked about features such as Multitenant and Database In-Memory. Moving forward, each chapter introduces advanced concepts with the help of demonstrations, and provides you with the latest update from Oracle Database 12c context. This helps you to visualize the pre- and post-applications of a feature over the database releases. By the end of this book, you will have become an expert in PL/SQL programming and will be able to implement advanced concepts of PL/SQL for efficient management of Oracle Database.

Who is this book for?

This book is for Oracle developers responsible for database management. Readers are expected to have basic knowledge of Oracle Database and the fundamentals of PL/SQL programming. Certification aspirants can use this book to prepare for 1Z0-146 examination in order to be an Oracle Certified Professional in Advanced PL/SQL.

What you will learn

  • Learn and understand the key SQL and PL/SQL features of Oracle Database 12c
  • Understand the new Multitenant architecture and Database In-Memory option of Oracle Database 12c
  • Know more about the advanced concepts of the Oracle PL/SQL language such as external procedures, securing data using Virtual Private Database (VPD), SecureFiles, and PL/SQL code tracing and profiling
  • Implement Virtual Private Databases to prevent unauthorized data access
  • Trace, analyze, profile, and debug PL/SQL code while developing database applications
  • Integrate the new application development features of Oracle Database 12c with the current concepts
  • Discover techniques to analyze and maintain PL/SQL code
  • Get acquainted with the best practices of writing PL/SQL code and develop secure applications

Product Details

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Publication date, Length, Edition, Language, ISBN-13
Publication date : Feb 15, 2016
Length: 428 pages
Edition : 2nd
Language : English
ISBN-13 : 9781785282522
Vendor :
Oracle
Category :
Languages :

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Product Details

Publication date : Feb 15, 2016
Length: 428 pages
Edition : 2nd
Language : English
ISBN-13 : 9781785282522
Vendor :
Oracle
Category :
Languages :

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Table of Contents

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

Customer reviews

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Full star icon Full star icon Full star icon Full star icon Half star icon 4.9
(9 Ratings)
5 star 88.9%
4 star 11.1%
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Xavier HUBIN Jun 04, 2019
Full star icon Full star icon Full star icon Full star icon Full star icon 5
Rien à redire
Amazon Verified review Amazon
Rickychairat Sep 29, 2017
Full star icon Full star icon Full star icon Full star icon Full star icon 5
all answer in this book
Amazon Verified review Amazon
Nassyam Basha Feb 26, 2016
Full star icon Full star icon Full star icon Full star icon Full star icon 5
Saurabh wrote the first edition in the year 2012 with the name "Oracle Advanced PL/SQL Developer Professional Guide" exclusively for developers with the flavor of 12c, in the same row the second edition is available for the readers and am feeling lucky as am technical reviewer of the book :)This book is targeted to the PL/SQL programmers and same time this is book is butified for whom they want to prepare for PL/SQL examinations. Apart from that i have enjoyed reading this book and reviewing. All the chapters wrote with in detail content and way of explanation is marvellous. For whom they have basic knowledge of PL/SQL and this book helps you to reach at master level for sure.
Amazon Verified review Amazon
Patrick Barel Feb 26, 2016
Full star icon Full star icon Full star icon Full star icon Full star icon 5
I was one of the technical reviewers of this book and I enjoyed reading the chapters. It's not a book I would read from page 1 to the last word, but I really enjoyed reading it all. If you are in the process of becoming an Oracle Certified Professional in Advanced PL/SQL then this book will really help you in your preparation for the 1Z0-146 exam.If you are just looking to learn more about the newer versions of the database then this book can really help you in understanding the techniques thanks to the good and clear examples.So if you want a good study book for the OCP exam or if you want a book with good information, explanation and examples on PL/SQL techniques then this book is a good choice for you.
Amazon Verified review Amazon
Parminder Singh Bola Mar 11, 2018
Full star icon Full star icon Full star icon Full star icon Full star icon 5
Excellent coverage and best is author has kept flow consistence with Oracle exam requirements.
Amazon Verified review Amazon
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