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From "Kim Haase (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-1934) Reference Manual updates - J2EE Compliance: Java Transaction API and javax.sql Extensions
Date Thu, 29 Mar 2007 17:04:28 GMT

    [ https://issues.apache.org/jira/browse/DERBY-1934?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12485254

Kim Haase commented on DERBY-1934:

Hi, Laura -- I wrote to Lance asking him to comment. I'm not sure if he will do so directly,
but he did say, "These old optional packages are part of JDBC as of JDBC 3.0 so they are not
optional." So it is probably better to point people to http://java.sun.com/javase/reference/api.jsp
-- these interfaces are all part of the API documentation for all Java releases starting with

So "extension" is an obsolete term now, and "interface" is the more accurate term. If you
look at http://java.sun.com/j2se/1.4.2/docs/api/, for instance, and click javax.sql in the
top left window, you will see in the bottom window that DataSource, ConnectionPoolDataSource,
PooledConnection, and XADataSource are all interfaces.

Technically any package that starts with "javax" instead of plain "java" is an extension,
but you can see that many such packages are an integral part of the Java platform, and we
don't usually use the term "extension" to describe them any more. It is true that the javax.sql
interfaces support the J2EE platform (which has now changed its name to "Java EE", actually,
but let's not worry about that at this point).

> Reference Manual updates - J2EE Compliance: Java Transaction API and javax.sql Extensions
> -----------------------------------------------------------------------------------------
>                 Key: DERBY-1934
>                 URL: https://issues.apache.org/jira/browse/DERBY-1934
>             Project: Derby
>          Issue Type: Bug
>          Components: Documentation
>    Affects Versions:
>            Reporter: Laura Stewart
>         Assigned To: Laura Stewart
>         Attachments: derby1934_1.diff, rrefjta18596.html
> J2EE Compliance: Java Transaction API and javax.sql Extensions: 
> Section = javax.sql:JDBC Extensions 
> File = http://db.apache.org/derby/docs/dev/ref/rrefjta18596.html 
> Update = 
> This URL no longer exists: (For more details about these extensions, see  http://java.sun.com/products/jdbc/jdbc20.stdext.javadoc/javax/sql/package-summary.html).
The page that has this information, although you have to browse to the section called JDBC
2.0 Optional Package API is  http://java.sun.com/products/jdbc/download.html  

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