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问题描述
我可以在MySQL的同一选择查询中将多个列选择到多个变量中吗?
Can I SELECT multiple columns into multiple variables within the same select query in MySQL?
例如:
DECLARE iId INT(20); DECLARE dCreate DATETIME; SELECT Id INTO iId, dateCreated INTO dCreate FROM products WHERE pName=iName;正确的语法是什么?
推荐答案您的语法不太正确:您需要按顺序在INTO之前列出字段,并在以下列出相应的目标变量:
Your syntax isn't quite right: you need to list the fields in order before the INTO, and the corresponding target variables after:
SELECT Id, dateCreated INTO iId, dCreate FROM products WHERE pName = iName更多推荐
MySQL:在存储过程中将多个字段选择为多个变量
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