ERROR

Kami ingin memohon maaf - walaupun kami melakukan yang terbaik: Ralat berlaku
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 = 19 AND categories_id = 000) AS cat1, (SELECT categories_id FROM categories_description WHERE language_id = 19 AND categories_id = 00 AND SUBSTRING(categories_id,2,1) != "0") AS cat2, (SELECT categories_id FROM categories_description WHERE language_id = 19 AND categories_id = 0 AND SUBSTRING(categories_id,3,1) != "0") AS cat3, (SELECT categories_id FROM categories_description WHERE language_id = 19 AND categories_id = AND SUBSTRING(categories_id,4,1) != "0") AS cat4, (SELECT categories_name FROM categories_description WHERE language_id = 19 AND categories_id = 000) AS cat1name, (SELECT categories_name FROM categories_description WHERE language_id = 19 AND categories_id = 00 AND SUBSTRING(categories_id,2,1) != "0") AS cat2name, (SELECT categories_name FROM categories_description WHERE language_id = 19 AND categories_id = 0 AND SUBSTRING(categories_id,3,1) != "0") AS cat3name, (SELECT categories_name FROM categories_description WHERE language_id = 19 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

Autor: Michael Liebendörfer

Ajutor
Michael Liebendörfer ist wissenschaftlicher Mitarbeiter am Institut für Didaktik der Mathematik und Physik der Leibniz Universität Hannover. Er forscht zur Hochschuldidaktik der Mathematik mit Schwerpunkt auf der Motivation und dem Lernverhalten der Studierenden. 




3 Ebooks de Michael Liebendörfer

Copertina de Michael Liebendörfer: Motivationsentwicklung im Mathematikstudium
Michael Liebendörfer: Motivationsentwicklung im Mathematikstudium
In seiner empirischen Studie beschreibt Michael Liebendörfer auf Basis von 51 Interviews die Motivationsentwicklung im ersten Jahr des Mathematikstudiums und deren Ursachen. Ausgehend vom Erleben der …
PDF
Germana
€42.99
Copertina de Rolf Biehler & Michael Liebendörfer: Practice-Oriented Research in Tertiary Mathematics Education
Rolf Biehler & Michael Liebendörfer: Practice-Oriented Research in Tertiary Mathematics Education
This edited volume presents a broad range of original practice-oriented research studies about tertiary mathematics education. These are based on current theoretical frameworks and on established and …
PDF
Engleză
€203.29
Copertina de Reinhard Hochmuth & Rolf Biehler: Unterstützungsmaßnahmen in mathematikbezogenen Studiengängen
Reinhard Hochmuth & Rolf Biehler: Unterstützungsmaßnahmen in mathematikbezogenen Studiengängen
Die Gestaltung und Wirkung mathematikbezogener Unterstützungsmaßnahmen für Studierende vor Beginn des Studiums und während des ersten Studienjahrs beschäftigt nicht nur die an den Hochschulen lehrend …
PDF
Germana
€46.99