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https://issues.apache.org/jira/browse/DERBY-6609?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14044972#comment-14044972
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Kim Haase commented on DERBY-6609:
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Here's another one that I'm not sure how to reword, from the "Application 
development overview" topic of the Developer's Guide:

SQL-92 is the version of SQL standardized by ANSI and ISO in 1992; Derby 
supports entry-level SQL-92 as well as some higher-level features. Entry-level 
SQL-92 is a subset of full SQL-92 specified by ANSI and ISO that is supported 
by nearly all major DBMSs today.

Are the terms "entry-level" and "higher-level" still meaningful in the current 
standard? Would it be correct to simplify this to the following, or is more 
rewording needed?

SQL is standardized by ANSI and ISO; Derby supports entry-level SQL as well as 
some higher-level features. Entry-level SQL is a subset of full SQL specified 
by ANSI and ISO that is supported by nearly all major DBMSs today.

> Documentation for SQL features should reflect current standard
> --------------------------------------------------------------
>
>                 Key: DERBY-6609
>                 URL: https://issues.apache.org/jira/browse/DERBY-6609
>             Project: Derby
>          Issue Type: Bug
>          Components: Documentation
>    Affects Versions: 10.11.0.0
>            Reporter: Kim Haase
>            Assignee: Kim Haase
>         Attachments: DERBY-6609-2.diff, DERBY-6609-2.zip, DERBY-6609-3.diff, 
> DERBY-6609-3.diff, DERBY-6609-3.stat, DERBY-6609-3.zip, DERBY-6609-3.zip, 
> DERBY-6609.diff, DERBY-6609.stat, DERBY-6609.zip
>
>
> We document Derby as an SQL-92 database. This standard is now very old, and 
> we should describe how Derby conforms to the most current standard 
> (SQL:2011). Knut Anders Hatlen listed the relevant features in a comment to 
> DERBY-6605. 
> This will involve at a minimum replacing the "Derby support for SQL-92 
> features" topic 
> (http://db.apache.org/derby/docs/10.10/ref/rrefsql9241891.html) with a new 
> one that describes Derby's support for current features, with notes as needed 
> indicating when the support is partial. Only features Derby supports, fully 
> or partially, should be listed. We should state that features not listed are 
> not supported.
> The information would be taken from 
> http://wiki.apache.org/db-derby/SQLvsDerbyFeatures (which currently goes only 
> through the 2003 standard). Listing the Feature IDs in the documentation 
> would also be helpful. 
> Other topics should be changed as needed. For example, is the term 
> "SQL92Identifier" still correct?



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