'national char' type column : character Unicode « SQL Data Types « Oracle PL/SQL Tutorial

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Oracle PL/SQL Tutorial » SQL Data Types » character Unicode

10. 5. 2. 'national char' type column


SQL> create table foo (

  2        a   integer,

  3        b   dec( 9, 2 ),

  4        c   character varying( 30 ),

  5        d   national char( 3 )

  6      )

  7      /



Table created.



SQL> describe foo

 Name                         Null?    Type

-------------------------------------------------

 A                                     NUMBER(38)

 B                                     NUMBER(9,2)

 C                                     VARCHAR2(30)

 D                                     NCHAR(3)



SQL>

SQL>

SQL> drop table foo;



Table dropped.

10. 5. character Unicode
	10. 5. 1.	'character varying' column
	10. 5. 2.	'national char' type column

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