MYSQL 使用变量更新多列
我使用此查询将所有值插入到此数据库中：
INSERT INTO products ($fields) VALUES ($values)
但是，我尝试使用相同的格式进行更新：
UPDATE products SET ($fields) VALUES ($values) WHERE sku = '$checksku'
...并且抛出语法错误：
You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '('product,make,model,' at line 1
我无法弄清楚。将不胜感激任何帮助。谢谢。
I used this query to insert all my values into this database:
INSERT INTO products ($fields) VALUES ($values)
However, I try to use the same format for UPDATE:
UPDATE products SET ($fields) VALUES ($values) WHERE sku = '$checksku'
...and am getting thrown a syntax error:
You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '('product,make,model,' at line 1
I can't figure it out. Would appreciate any help. Thanks.
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UPDATE 语法与 INSERT 语法不同。更新的一个例子是：
尽管这可能不安全。您应该查看参数化查询。
UPDATE syntax is different than INSERT syntax. An example of UPDATE would be:
Though this may be insecure. You should look into parameterized queries.
不要忘记唯一键或主键
Don't forgot about unique or primary key
你需要一个=
you need an =