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Oracle Database 11g The Complete Reference by Kevin Loney

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CHAPTER 40Using Large Objects

In place of LONG and LONG RAW, you can use the LOB datatypes (BLOB, CLOB, NCLOB, and BFILE) for storage of long data. Although Oracle still allows LONG and LONG RAW columns to be created, Oracle recommends that you create new columns using the LOB datatypes and that you convert existing LONG and LONG RAW columns to CLOB or BLOB columns, respectively. If you use one of these datatypes to store large objects (LOBs), you can take advantage of new capabilities for viewing and manipulating the data. You can also use Oracle Text (see Chapter 27) to perform text searches on CLOB data.

In this chapter, you will see how to use the LOB datatypes and how to manipulate the data—which does not even have to be stored within the ...

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