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Resolution to the ORA-02262 error
Thursday, May 10, 2007
If you have ever faced this error message

ORA-02262: ORA-%05d occurs while type-checking column default value expression

while trying to alter the column definition of a table to NVARCHAR2 with Default Value just remember :

A 'string' literal is of type VARCHAR2
A N'string' literal is of type NVARCHAR2 !!

So now, you can correct your syntax and alter your table properly like this :

ALTER TABLE mytbl MODIFY mycolumn NVARCHAR2(3) DEFAULT N'A';

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posted by Admin @ 11:39 PM  
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Name: John Galanopoulos
Home: The NeverLands
About Me: A source code wonderer since the early 80s with my first ZX81 by Sinclair, home computer.
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