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"ANSI, DB2, and SQL/DS Data Types" discusses the mapping of ANSI-supported data types to Oracle built-in data types.::= Description of the illustration ''ansi_supported_datatypes.gif'' For descriptions of user-defined types, refer to "User-Defined Types".Character data is stored in strings with byte values corresponding to one of the character sets, such as 7-bit ASCII or EBCDIC, specified when the database was created.
A character large object containing Unicode characters.
Refer to the syntax in the preceding sections for the syntactic elements.
The codes listed for the data types are used internally by Oracle Database.
The data type code of a column or object attribute is returned by the A character large object containing single-byte or multibyte characters.
Both fixed-width and variable-width character sets are supported, both using the database character set.