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application gives an error ORA-20901:

770422Jul 14 2010 — edited Jul 14 2010

hello good day,

I'm having problems with one of my application pages i'm getting the following error

ORA-20901: Last updated data column "IMAGE_LAST_UPDATE" datatype "VARCHAR2" used to track updates to "INSTRUCTOR_IMAGE" must be a date datatype

Error Unable to process row of table INSTRUCTOR.

This occurs when I'm trying to add a new employee.

i really don't understand what went wrong because everything was working just fine. INSTRUCTOR_IMAGE currently has a datatype BLOB which holds a photo of an instructor.

I'm currently using APEX 3.2.1.

any form of assistance will be greatly appreciated

This post has been answered by sbkenned-Oracle on Jul 14 2010

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