Benutzer:Greadle: Unterschied zwischen den Versionen

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-Einige SQL-Abfragen für das Shadowhelix-Datenbank Projekt.
-Anzahl der Shadowrun Cover-Bilder pro Illustrator:
-<pre>
-SELECT contributors.forename_first, contributors.surname, COUNT(contributions.standard_descriptor) AS ["# of covers"]
-FROM contributions INNER JOIN contributors ON contributors.id_contributor=contributions.id_contributor
-WHERE contributions.standard_descriptor = "cover art"
-GROUP BY contributors.surname, contributors.forename_first
-ORDER BY contributors.surname;
-</pre>
-Übersicht über Illustratoren und die dazugehörigen Quellen:
-<pre>
-SELECT contributors.surname, contributors.forename_first, contributions.standard_descriptor, sources.description, sources.language_code
-FROM contributors, contributions, sources
-WHERE contributions.id_source=sources.id_source And contributors.id_contributor=contributions.id_contributor AND (contributions.standard_descriptor="illustration" OR contributions.standard_descriptor="cover art")
-ORDER BY contributors.surname, sources.description;
-</pre>

Aktuelle Version vom 13. Mai 2016, 09:16 Uhr