java Connection 's commit () problem

I use the same Connection object to each of the A, B two insert data into tables . I used when inserting Table A bulk insert is off autocommit back then call conn.commit (); But this then inserting data to B can not be inserted , nor error. If the insert does not turn off automatically when the table A submission , then insert Table B no problem .
What is the commit () itself is the problem? Or insert Table B Table A bulk insert when not finished ? Thank
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you have conn.commit (), B will not get it.
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in a transaction where , then it is only closed. Then on again.
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commit after this thing is over, of course, do not put in storage after inserting a
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you can set a savepoint instead of
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that commit () then you must close ( ) , then reacquires connected ?
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+1024
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agree