What are the datatypes a available in PL/SQL ?

Following are the datatype supported in oracle PLSQL

Scalar Types

BINARY_INTEGER
DEC
DECIMAL
DOUBLE PRECISION
FLOAT
INT
INTEGER
NATURAL
NATURALN
NUMBER
NUMERIC
PLS_INTEGER
POSITIVE
POSITIVEN
REAL
SIGNTYPE
SMALLINT
CHAR
CHARACTER
LONG
LONG RAW
NCHAR
NVARCHAR2
RAW
ROWID
STRING
UROWID
VARCHAR
VARCHAR2

DATE
INTERVAL DAY TO SECOND
INTERVAL YEAR TO MONTH
TIMESTAMP
TIMESTAMP WITH LOCAL TIME ZONE
TIMESTAMP WITH TIME ZONE

BOOLEAN

Composite TypesRECORD
TABLE
VARRAY

LOB TypesBFILE
BLOB
CLOB
NCLOB

Reference Types
REF CURSOR
REF object_type