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You're reading from  Oracle Advanced PL/SQL Developer Professional Guide

Product typeBook
Published inMay 2012
Reading LevelExpert
PublisherPackt
ISBN-139781849687225
Edition1st Edition
Languages
SQL
Tools
Oracle Database
Concepts
Database Programming
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Author (1)
Saurabh K. Gupta
Saurabh K. Gupta
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Saurabh K. Gupta

Saurabh K. Gupta is a seasoned database technologist with extensive experience in designing high performance and highly available database applications. His technology focus has been centered around Oracle Database architecture, Oracle Cloud platform, Database In-Memory, Database Consolidation, Multitenant, Exadata, Big Data, and Hadoop. He has authored the first edition of this book. He is an active speaker at technical conferences from Oracle Technology Network, IOUG Collaborate'15, AIOUG Sangam, and Tech Days. Connect with him on his twitter handle (or SAURABHKG) or through his technical blog www.sbhoracle. wordpress.com, with comments, suggestions, and feedback regarding this book.
Read more about Saurabh K. Gupta

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Introduction to the LOB data types

Before the introduction of LOB data types, LONG and LONG RAW data types served as the storage types for large data. But soon the incompetency of the data types added the discomfort to the database developers and created an urgency for a stable data type. Some of the limitations of LONG and LONG RAW are as follows:

  • A table can have only one LONG or LONG RAW column. Also, the data would always be stored inline with the record—thus dumping the same segment all the time.

  • A LONG or LONG RAW column can store data only up to 2 GB.

  • LONG data type can support sequential access of data. Besides, there are multiple restrictions associated with the usage of LONG data type. Limitations such as single column specification in a table and no possibility of indexing add to the compatibility concerns.

With the introduction of LOB data types in Oracle8i, the limitations of LONG and LONG RAW were overruled with multiple features. The LOB data types are CLOB, NCLOB, BLOB, and...

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Oracle Advanced PL/SQL Developer Professional Guide
Published in: May 2012Publisher: PacktISBN-13: 9781849687225
© 2012 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Saurabh K. Gupta

Saurabh K. Gupta is a seasoned database technologist with extensive experience in designing high performance and highly available database applications. His technology focus has been centered around Oracle Database architecture, Oracle Cloud platform, Database In-Memory, Database Consolidation, Multitenant, Exadata, Big Data, and Hadoop. He has authored the first edition of this book. He is an active speaker at technical conferences from Oracle Technology Network, IOUG Collaborate'15, AIOUG Sangam, and Tech Days. Connect with him on his twitter handle (or SAURABHKG) or through his technical blog www.sbhoracle. wordpress.com, with comments, suggestions, and feedback regarding this book.
Read more about Saurabh K. Gupta

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