MySql到MS Access查询转换
我有一个mysql查询,我想在MS Access中使用它MySql到MS Access查询转换,mysql,ms-access,Mysql,Ms Access,我有一个mysql查询,我想在MS Access中使用它 SELECT company_name, agent_id FROM ( SELECT company_name, agent_id, @rn := IF(@prev = agent_id, @rn + 1, 1) AS rn, @prev := agent_id FROM users JOIN (SELECT @prev := NULL, @rn := 0) AS vars ORDER BY agent_id DESC
SELECT company_name, agent_id FROM
( SELECT company_name, agent_id, @rn := IF(@prev = agent_id, @rn + 1, 1)
AS rn, @prev := agent_id FROM users
JOIN (SELECT @prev := NULL, @rn := 0) AS vars
ORDER BY agent_id DESC, company_name)
AS T1
WHERE T1.agent_id is not null and rn <= 3;
我一直试图在Access中运行它,但它抛出了错误:from子句中的语法错误 在Microsoft Access中,我们可以尝试在WHERE子句中使用前n个相关子查询 我想试试这样的东西:
SELECT t.company_name
, t.agent_id
FROM [users] AS [t]
WHERE t.company_name IN
( SELECT TOP 3 u.company_name
FROM [users] AS [u]
WHERE u.agent_id = t.agent_id
ORDER
BY u.company_name
)
ORDER
BY t.agent_id DESC
, t.company_name
这是因为这些SQL引擎具有完全不同的语法。是的,这就是为什么我希望有人帮助我解决语法错误的原因,我无法解决您需要转换的问题?有几种方法可以从MS Access使用MySQL。见保尔特。是的,我只想在MS Access中执行此操作。您到底是如何尝试修复语法问题的?你为什么不说明查询应该做什么?