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https://issues.apache.org/jira/browse/DERBY-5596?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13248417#comment-13248417
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Rick Hillegas commented on DERBY-5596:
--------------------------------------

Hi Kim,

Thanks for making these changes. I don't know a handy name for the other 
format. Documentation for the two formats goes back to 10.1. The formats don't 
appear in the 10.0 reference guide. I think it's ok for the other format to not 
have a handy name. +1 to these changes.
                
> TIMESTAMP doc gives wrong precision limitation
> ----------------------------------------------
>
>                 Key: DERBY-5596
>                 URL: https://issues.apache.org/jira/browse/DERBY-5596
>             Project: Derby
>          Issue Type: Bug
>          Components: Documentation
>    Affects Versions: 10.8.2.2
>            Reporter: Dag H. Wanvik
>            Assignee: Kim Haase
>         Attachments: DERBY-5596.diff, rrefsqlj27620.html
>
>
> Derby accepts nanosecond fractions. e,g.
> create table t(i timestamp);
> insert into t values TIMESTAMP('1962-09-23 03:23:34.123456789');
> but the refman doc states:
> > Derby supports the following formats for TIMESTAMP:
> >
> > yyyy-mm-dd hh:mm:ss[.nnnnnn]
> > yyyy-mm-dd-hh.mm.ss[.nnnnnn]
> >
> > The first of the two formats above is the java.sql.Timestamp format.
> >
> >The year must always have four digits. Months, days, and hours may have one 
> >or two digits. Minutes and seconds must have two digits. 
> >Nanoseconds, if present, may have between one and six digits.
> Nine digits are accepted, not six:
> select * from t;
> I                            
> -----------------------------
> 1962-09-23 03:23:34.123456789

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