ERROR

Przepraszamy - choć zrobiliśmy wszystko, co w naszej mocy: wystąpił błąd
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 = 7 AND categories_id = 000) AS cat1, (SELECT categories_id FROM categories_description WHERE language_id = 7 AND categories_id = 00 AND SUBSTRING(categories_id,2,1) != "0") AS cat2, (SELECT categories_id FROM categories_description WHERE language_id = 7 AND categories_id = 0 AND SUBSTRING(categories_id,3,1) != "0") AS cat3, (SELECT categories_id FROM categories_description WHERE language_id = 7 AND categories_id = AND SUBSTRING(categories_id,4,1) != "0") AS cat4, (SELECT categories_name FROM categories_description WHERE language_id = 7 AND categories_id = 000) AS cat1name, (SELECT categories_name FROM categories_description WHERE language_id = 7 AND categories_id = 00 AND SUBSTRING(categories_id,2,1) != "0") AS cat2name, (SELECT categories_name FROM categories_description WHERE language_id = 7 AND categories_id = 0 AND SUBSTRING(categories_id,3,1) != "0") AS cat3name, (SELECT categories_name FROM categories_description WHERE language_id = 7 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

Markus Lusti 
Dateien und Datenbanken [PDF ebook] 
Eine anwendungsorientierte Einfuhrung

الدعم

Schwerpunkte dieses anwendungsbezogenen Lehrbuchs sind der Entwurf und die Abfrage von Datenbanken in Anwendersprachen. Der erste Teil behandelt am Beispiel typischer Datenstrukturen und Algorithmen die Verwaltung unverbundener Dateien. Der zweite Teil führt in den Entwurf von Datenbanken ein. Abfragen in QBE, SQL und XBase-ähnlichen Befehlssprachen veranschaulichen deklarative und prozedurale Abfragesprachen. Im Anschluß daran verdeutlicht ein Fallbeispiel in MS Access die Anwendungsentwicklung in prozeduralen Datenbanksprachen der 4. Generation. Der vierte Teil diskutiert Client/Server- und verteilte Datenbanksysteme. Im letzten Teil wird auf objektorientierte Datenbanksysteme eingegangen.

€43.84
طرق الدفع
قم بشراء هذا الكتاب الإلكتروني واحصل على كتاب آخر مجانًا!
لغة ألمانية ● شكل PDF ● ISBN 9783642979507 ● الناشر Springer Berlin Heidelberg ● نشرت 2013 ● للتحميل 3 مرات ● دقة EUR ● هوية شخصية 6339163 ● حماية النسخ Adobe DRM
يتطلب قارئ الكتاب الاليكتروني قادرة DRM

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

260٬259 كتب إلكترونية في هذه الفئة