Chapter 15. Oracle Large Object Transactions
This chapter examines how you can use Oracle Large Object (LOB) data types in your PHP web applications. There are two principal variations of LOB data type. They are character or raw file streams stored in the database, and externally stored files. You can store up to 4GB in LOB data types.
Character or raw file streams store in the database as one of three SQL data types: CLOB, NCLOB, and BLOB. CLOB and NCLOB data types store respectively character and national Unicode character LOB data, while BLOB stores raw binary data. The BLOB type can store raw structured or unstructured binary streams. Only the descriptor that points to the internal location of the LOB is physically stored in-line as the ...
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