これらの2つのクエリは同じですか/同じ出力を与えますか？

Question

Indepenedentサブクエリ

SELECT Cust_Name 
FROM Customer_Details    
    WHERE Cust_ID 
    IN 
     (SELECT Cust_ID 
     FROM Customer_Loan)     
      AND Cust_ID IN 
     (SELECT Cust_ID 
      FROM Customer_Fixed_Deposit); 

相関サブクエリ

SELECT Cust_ID 
FROM Customer_Details    
    WHERE Cust_ID 
    IN 
     (SELECT Cust_ID 
     FROM Customer_Loan 
     WHERE Customer_Loan.Cust_ID = Customer_Details.Cust_ID)     
      AND Cust_ID IN 
     (SELECT Cust_ID 
      FROM Customer_Fixed_Deposit 
    WHERE Customer_Fixed_Deposit.Cust_ID = Customer_Details.Cust_ID); 

我々は融資だけでなく、FDを選んだ顧客を見つけるべきです。

Answer 1

最終出力は両方で同じになります。