ERROR

我们很抱歉 - 尽管我们做到了最好:发生了错误
Typedatabase
MessageYou have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near "AND SUBSTRING(categories_id,4,1) != "0") AS cat4, (SELECT categorie..." at line 5
QuerySELECT (SELECT categories_id FROM categories_description WHERE language_id = 13 AND categories_id = 000) AS cat1, (SELECT categories_id FROM categories_description WHERE language_id = 13 AND categories_id = 00 AND SUBSTRING(categories_id,2,1) != "0") AS cat2, (SELECT categories_id FROM categories_description WHERE language_id = 13 AND categories_id = 0 AND SUBSTRING(categories_id,3,1) != "0") AS cat3, (SELECT categories_id FROM categories_description WHERE language_id = 13 AND categories_id = AND SUBSTRING(categories_id,4,1) != "0") AS cat4, (SELECT categories_name FROM categories_description WHERE language_id = 13 AND categories_id = 000) AS cat1name, (SELECT categories_name FROM categories_description WHERE language_id = 13 AND categories_id = 00 AND SUBSTRING(categories_id,2,1) != "0") AS cat2name, (SELECT categories_name FROM categories_description WHERE language_id = 13 AND categories_id = 0 AND SUBSTRING(categories_id,3,1) != "0") AS cat3name, (SELECT categories_name FROM categories_description WHERE language_id = 13 AND categories_id = AND SUBSTRING(categories_id,4,1) != "0") AS cat4name, (SELECT url_text FROM commerce_seo_url_without_language WHERE categories_id = 000) AS cat1url, (SELECT url_text FROM commerce_seo_url_without_language WHERE categories_id = 00 AND SUBSTRING(categories_id,2,1) != "0") AS cat2url, (SELECT url_text FROM commerce_seo_url_without_language WHERE categories_id = 0 AND SUBSTRING(categories_id,3,1) != "0") AS cat3url, (SELECT url_text FROM commerce_seo_url_without_language WHERE categories_id = AND SUBSTRING(categories_id,4,1) != "0") AS cat4url, (SELECT wod_count_products FROM categories WHERE categories_id = 000) AS cat1cnt, (SELECT wod_count_products FROM categories WHERE categories_id = 00 AND SUBSTRING(categories_id,2,1) != "0") AS cat2cnt, (SELECT wod_count_products FROM categories WHERE categories_id = 0 AND SUBSTRING(categories_id,3,1) != "0") AS cat3cnt, (SELECT wod_count_products FROM categories WHERE categories_id = AND SUBSTRING(categories_id,4,1) != "0") AS cat4cnt

Peter Kleinschmidt & Christian Rank 
Relationale Datenbanksysteme [PDF ebook] 
Eine praktische Einfuhrung

الدعم

Dieses Buch ist eine praktische Einführung in den Entwurf und die Programmierung von relationalen Datenbanksystemen, wie sie heute vor allem in betrieblichen Bereichen eingesetzt werden. Es vermittelt detaillierte Kenntnisse der Sprache SQL, die als Standard für den Zugriff auf diese Systeme etabliert ist. Zahlreiche Beispiele und Übungsaufgaben begleiten den Text. Das Buch ist besonders geeignet als Begleitlektüre zu entsprechenden Lehrveranstaltungen an Universitäten und Fachhochschulen. Auch der Praktiker, der Datenbankkenntnisse für Applikationsentwicklungssprachen sowie Datenbank-Administrationsaufgaben benötigt, wird sich mit diesem Buch schnell das notwendige Grundwissen aneignen. Die für die Beispiele und Übungsaufgaben verwendeten Datenbanken sind direkt über Internet/www erhältlich.

€43.71
طرق الدفع
قم بشراء هذا الكتاب الإلكتروني واحصل على كتاب آخر مجانًا!
لغة ألمانية ● شكل PDF ● ISBN 9783662097441 ● الناشر Springer Berlin Heidelberg ● نشرت 2013 ● للتحميل 3 مرات ● دقة EUR ● هوية شخصية 6385710 ● حماية النسخ Adobe DRM
يتطلب قارئ الكتاب الاليكتروني قادرة DRM

المزيد من الكتب الإلكترونية من نفس المؤلف (المؤلفين) / محرر

16٬941 كتب إلكترونية في هذه الفئة