Astronomical Data Query LanguageThe 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 recommendationThe current IVOA Recommendation is ADQL-2.0 (30 October 2008). ADQL-2.0-Next page collects errata, proposed features and notes while developing the next revision of the specification.ADQL-2.1 Working draftCompiled PDF | |||||||||
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Document sourceThe ADQL specification is based on the ivoatex environment. | |||||||||
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