December 2002
Intermediate to advanced
745 pages
17h 26m
English
book
Oracle® Web Application Programming for PL/SQL® Developers
by Susan Boardman, Melanie Caffrey, Solomon Morse, Benjamin Rosenzweig
Content preview from Oracle® Web Application Programming for PL/SQL® Developers
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
Start your free trial
Unit 18.3. Store Images for Performance
Internal or External Storage
In Chapter 13, “Images,” you learn how to manipulate and store images in an Oracle database. Due to the potential size of Oracle images, they are often stored in what is referred to as a LOB. LOB is an Oracle datatype as well as an acronym for large object. Oracle considers a large object to be an item that may potentially contain large amounts of text or binary data. Oracle supports two major types of LOBs: internal LOBs and external LOBs.
The distinction between the two is based on whether the datatype is stored internally or externally with respect to the Oracle database. An internal LOB is one that is stored inside the database files. Though you do not create an image ...