What Are the Oracle Built-in Data Types

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What Are the Oracle Built-in Data Types? - Oracle DBA FAQ - Understanding SQL Basics

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A

There are 20 Oracle built-in data types, divided into 6 groups:

Character Datatypes - CHAR, NCHAR, NVARCHAR2, VARCHAR2
Number Datatypes - NUMBER, BINARY_FLOAT, BINARY_DOUBLE
Long and Row Datatypes - LONG, LONG RAW, RAW
Datetime Datatypes - DATE, TIMESTAMP, INTERVAL YEAR TO MONTH, INTERVAL DAY TO SECOND
Large Object Datatypes - BLOB, CLOB, NCLOB, BFILE
Row ID Datatypes - ROWID, UROWID

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