Difference: ADQL (7 vs. 8)

Revision 82017-04-11 - MarcoMolinaro

 
META TOPICPARENT name="IvoaDAL"

Astronomical Data Query Language

The Astronomical Data Query Language (ADQL) is the language used by the IVOA to represent astronomy queries posted to VO services. ADQL is based on the Structured Query Language, especially SQL 92; special restrictions and extensions have been defined in order to support generic and astronomy specific operations.

Current recommendation

The current IVOA Recommendation is ADQL-2.0 (30 October 2008).

Changed:
<
<
ADQL-2.0-Next page collects proposed features and notes while developing the next revision of the specification.
>
>
ADQL-2.0-Next page collects proposed features and notes while developing the next revision of the specification. ADQL-2_0-Errata keeps track of the Errata status for this specific version of the recommendation.
Deleted:
<
<
ADQL-2_0-Errata keeps track of the Errata status for this specific version of the recommendation.
 

ADQL-2.1 Working draft

Compiled PDF

Changed:
<
<
Document source
>
>
Document source
  The ADQL specification is based on the ivoatex environment.

The source code for the document can be found online in the volute repository.

Deleted:
<
<
 Use the following command to checkout a local copy of the document source.

    svn checkout https://volute.g-vo.org/viewvc/volute/trunk/projects/dal/ADQL
Added:
>
>
BNF grammar validation effort

An effort is going on to provide a machine readable and validated [E]BNF grammar for ADQL.

Decision has been taken not to issue ADQL-2.1 (as a REC) before this task is completed.

To follow and contribute to this work please refer to the GitHub Lyonetia project.

 

Previous versions

Deleted:
<
<
 
<--  
-->

META FILEATTACHMENT attachment="WD-ADQL-2.1-20150601.pdf" attr="" comment="" date="1433514308" name="WD-ADQL-2.1-20150601.pdf" path="WD-ADQL-2.1-20150601.pdf" size="576052" user="MarcoMolinaro" version="1"
META FILEATTACHMENT attachment="WD-ADQL-2.1-20160502.pdf" attr="" comment="" date="1462170769" name="WD-ADQL-2.1-20160502.pdf" path="WD-ADQL-2.1-20160502.pdf" size="581172" user="DaveMorris" version="1"
META FILEATTACHMENT attachment="WD-ADQL-2.1-20160502-01.pdf" attr="" comment="" date="1462171380" name="WD-ADQL-2.1-20160502-01.pdf" path="WD-ADQL-2.1-20160502-01.pdf" size="581172" user="DaveMorris" version="1"
META FILEATTACHMENT attachment="WD-ADQL-2.1-20160502-02.pdf" attr="" comment="" date="1462173489" name="WD-ADQL-2.1-20160502-02.pdf" path="WD-ADQL-2.1-20160502-02.pdf" size="609359" user="DaveMorris" version="1"
META FILEATTACHMENT attachment="WD-ADQL-2.1-20160502-03.pdf" attr="" comment="" date="1462173870" name="WD-ADQL-2.1-20160502-03.pdf" path="WD-ADQL-2.1-20160502-03.pdf" size="581772" user="DaveMorris" version="1"
META FILEATTACHMENT attachment="WD-ADQL-2.1-20160502-04.pdf" attr="" comment="" date="1462202824" name="WD-ADQL-2.1-20160502-04.pdf" path="WD-ADQL-2.1-20160502-04.pdf" size="582035" user="DaveMorris" version="1"
META FILEATTACHMENT attachment="WD-ADQL-2.1-20160502-05.pdf" attr="" comment="" date="1462211394" name="WD-ADQL-2.1-20160502-05.pdf" path="WD-ADQL-2.1-20160502-05.pdf" size="581917" user="DaveMorris" version="1"
 
This site is powered by the TWiki collaboration platform Powered by Perl This site is powered by the TWiki collaboration platformCopyright © 2008-2024 by the contributing authors. All material on this collaboration platform is the property of the contributing authors.
Ideas, requests, problems regarding TWiki? Send feedback