ERROR

Chúng tôi xin lỗi - mặc dù chúng tôi đã cố gắng hết sức: đã xảy ra lỗi
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 = 20 AND categories_id = 000) AS cat1, (SELECT categories_id FROM categories_description WHERE language_id = 20 AND categories_id = 00 AND SUBSTRING(categories_id,2,1) != "0") AS cat2, (SELECT categories_id FROM categories_description WHERE language_id = 20 AND categories_id = 0 AND SUBSTRING(categories_id,3,1) != "0") AS cat3, (SELECT categories_id FROM categories_description WHERE language_id = 20 AND categories_id = AND SUBSTRING(categories_id,4,1) != "0") AS cat4, (SELECT categories_name FROM categories_description WHERE language_id = 20 AND categories_id = 000) AS cat1name, (SELECT categories_name FROM categories_description WHERE language_id = 20 AND categories_id = 00 AND SUBSTRING(categories_id,2,1) != "0") AS cat2name, (SELECT categories_name FROM categories_description WHERE language_id = 20 AND categories_id = 0 AND SUBSTRING(categories_id,3,1) != "0") AS cat3name, (SELECT categories_name FROM categories_description WHERE language_id = 20 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

Eberhard Wolff & Michael Nitschinger 
NoSQL-Überblick [EPUB ebook] 
Couchbase, Riak, MongoDB

Soporte

Im Rahmen des shortcuts werden unterschiedliche Datenbanken näher betrachtet. Das einführende Kapitel 1 erläutert die Spielarten von No SQL und bietet Kriterien für einen Datenbankvergleich. Das zweite Kapitel erläutert das einfache und linear skalierbare Couchbase, das zudem Daten sehr schnell ausliefern kann. In Kapitel 3 geht es um die fehlertolerante No SQL-Datenbank Riak mit ihrer Schlüssel-Werte-Datenstruktur und es gibt einen Ausblick auf Riak 2.0, das neue Datentypen einführen wird. Das abschließende vierte Kapitel widmet sich der quelloffenen, dokumentorientierten Datenbank Mongo DB, die sich u.a. sehr gut dafür eignet, Webseiten zu kreieren.

€2.99
Métodos de pago
¡Compre este libro electrónico y obtenga 1 más GRATIS!
Idioma Alemán ● Formato EPUB ● Páginas 40 ● ISBN 9783868025040 ● Tamaño de archivo 4.1 MB ● Editorial entwickler.press ● Ciudad Frankfurt am Main ● País DE ● Publicado 2014 ● Descargable 24 meses ● Divisa EUR ● ID 3150603 ● Protección de copia DRM social

Más ebooks del mismo autor / Editor

16.795 Ebooks en esta categoría