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odd problem when changing a datatype on table

odd problem when changing a datatype on table

2004-08-24       - By Mercadante, Thomas F

Reply:     1     2     3     4     5  

Chris,

In the first crate table/select statement, you explicitely selected the
columns you wanted from the order_log table (col1, col2, to_number(col3)).

In the insert/select statement, you are doing a select *. You now need to
do a column by column comparison between the two tables. You will find a
column mis-match - maybe a number column trying to be inserted into a date
column?

Hope this helps.

Tom Mercadante
Oracle Certified Professional


-- --Original Message-- --
From: Chris Stephens [mailto:ChrisStephens@(protected)]
Sent: Tuesday, August 24, 2004 10:21 AM
To: oracle-l@(protected)
Subject: odd problem when changing a datatype on table


Here 's what i did:


create table order_log2 as select cola, colb, to_number(colc) colc,... from
order_log;



truncate table order_log



alter table order_log modify (colc number);



insert into order_log select * from order_log2;



......and i get:



ERROR at line 1:

ORA-00932 (See ORA-00932.ora-code.com): inconsistent datatypes: expected NUMBER got DATE



what gives?



it 's not even on the column who 's datatype i changed.






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