MySQL内部加入更新

Question

I am trying to perform a relational update using an innjer join and can't seem to get the syntax correct.

The rows are as follows:

Catalogue.Category_ID
Catalogue.Visible

Categories.Category_ID
Categories.Category_Name

I am trying to update the value of the visible field when the category ID numbers match and correspond the the correct name.

UPDATE `Catalogue` 
SET `Visible` = '0' 
FROM `Catalogue` 
INNER JOIN `Categories` 
  ON Catalogue.Category_ID = Categories.Category_ID 
  AND Categories.Category_Name = 'Bases'

Apologies if it comes down to a stupid syntax mistake, i'm not the most experienced with relational databases.

Answer 1

I believe this is the proper syntax:

UPDATE `Catalogue` 
INNER JOIN `Categories` 
  ON Catalogue.Category_ID = Categories.Category_ID 
  AND Categories.Category_Name = 'Bases'
SET `Visible` = '0' 

Answer 2

You are using TSQL syntax, here's for MySQL

UPDATE `Catalogue` 
       INNER JOIN `Categories`
           ON Catalogue.Category_ID = Categories.Category_ID

SET `Visible` = '0' 
WHERE Categories.Category_Name = 'Bases'

if you want to shorten the query, use ALIAS

UPDATE Catalogue a 
       INNER JOIN Categories b
           ON a.Category_ID = b.Category_ID

SET    Visible = '0' 
WHERE  b.Category_Name = 'Bases'

Answer 3

I believe you're looking for:

UPDATE 'Catalogue' SET 'Visible' = '0' FROM 'Catalogue' INNER JOIN 'Categories' ON Catalogue.Category_ID = Categories.Category_ID
WHERE Categories.Category_NAME = 'Bases'