Oracle® Database SQL Language Reference 11g Release 2 (11.2) Part Number E10592-02 |
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Syntax
to_nchar_number::=
Purpose
TO_NCHAR
(number) converts n
to a string in the national character set. The value n
can be of type NUMBER
, BINARY_FLOAT
, or BINARY_DOUBLE
. The function returns a value of the same type as the argument. The optional fmt
and 'nlsparam'
corresponding to n
can be of DATE
, TIMESTAMP
, TIMESTAMP
WITH
TIME
ZONE
, TIMESTAMP
WITH
LOCAL
TIME
ZONE
, INTERVAL
MONTH
TO
YEAR
, or INTERVAL
DAY
TO
SECOND
data type.
Examples
The following example converts the customer_id
values from the sample table oe.orders
to the national character set:
SELECT TO_NCHAR(customer_id) "NCHAR_Customer_ID" FROM orders WHERE order_status > 9 ORDER BY "NCHAR_Customer_ID"; NCHAR_Customer_ID ---------------------------------------- 102 103 148 148 149