1.
SELECT
Tb_Project.ProjectID, Tb_Project.BudgetQ1,Tb_Project.BudgetQ2,Tb_Project.BudgetQ3,Tb_Project.BudgetQ4,Tb_Project.SumBudget,
SUM
(Tb_Use.BudgetUse)
AS
BudgetUseQ1
2.
FROM
Tb_Project
3.
LEFT
JOIN
Tb_Use
ON
Tb_Use.`Quarter`=1
AND
Tb_Project.ProjectID=Tb_Use.ProjectID
4.
GROUP
BY
Tb_Project.ProjectID