下面的查询正在工作,但它多次给我相同的数据。。。。建议我苦读这个
"SELECT
cp.projectID,cp.projectName,cp.clientID,
pv.vendorID,
cv.vendorName,
c.clientName,
vp.productName,
pp.sku
FROM clientProjects AS cp
INNER JOIN clients AS c ON c.clientID = cp.clientID
INNER JOIN projectVendors AS pv ON cp.projectID = pv.projectID
INNER JOIN clientVendors AS cv ON cv.vendorID = pv.vendorID
INNER JOIN projectProducts AS pp ON cp.projectID = pp.projectID
INNER JOIN projectMaintenance AS pm ON cp.projectID = pm.projectID
INNER JOIN vendorProducts AS vp ON pp.sku = vp.sku
INNER JOIN projectFiles AS pf ON cp.projectID = pf.projectID
WHERE cp.projectName LIKE '".$projectName."' OR c.clientName LIKE '".$projectName."' OR pp.sku LIKE '".$projectName."' OR pm.sku LIKE '".$projectName."' "
尝试DISTINCT:
SELECT DISTINCT cp.projectID,
cp.projectName,
cp.clientID,
pv.vendorID,
cv.vendorName,
c.clientName,
vp.productName,
pp.sku
FROM clientProjects AS cp
INNER JOIN clients AS c ON c.clientID = cp.clientID
INNER JOIN projectVendors AS pv ON cp.projectID = pv.projectID
INNER JOIN clientVendors AS cv ON cv.vendorID = pv.vendorID
INNER JOIN projectProducts AS pp ON cp.projectID = pp.projectID
INNER JOIN projectMaintenance AS pm ON cp.projectID = pm.projectID
INNER JOIN vendorProducts AS vp ON pp.sku = vp.sku
INNER JOIN projectFiles AS pf ON cp.projectID = pf.projectID
WHERE cp.projectName LIKE '".$projectName."' OR
c.clientName LIKE '".$projectName."' OR
pp.sku LIKE '".$projectName."' OR
pm.sku LIKE '".$projectName."' "