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Den 02/08/10 23.35, Luis Fernandes skrev:
Hi im java programmer ,
I have a text file that have 30,000 rows, and each row have 200 char. I need
to parse and insert this information into a physycal file., and a look for
the best way to do that.
First create the physical file so that you can do a "select * from x"
(where x is the file).
Then you write a small Java program which registers the jt400 driver
(see the doc) and then create a PreparedStatement based on an insert
statement corresponding to the file using ? as placeholders (this is
generic JDBC-stuff), and then loop over your input calling the prepared
statement once per line surrounded with a try-catch catching
SQLExceptions and printing out the details, so you can continue even if
one line is bad and analyze that line later.
I wrote a small but powerful tool for our internal use a while back that
reads in an Excel sheet and uploads the data to a previously created
table specified by the user in the same way as described above. If
there is sufficient interest I could ask if we could make it available -
it is java web start anyway.
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