How do I retrieve data from two tables?

user1082164 :

I was on the "hospital_payment_data" table. I want to call up the data of the number of data, the cache_account_received sum, and the total_medical_bills sum, and then bring up the mount sum value from the cash_recipit_rowtable to express. What should I do?

  1. hospital_payment_data

    enter image description here

  2. cash_receipt_row

    enter image description here

I want result

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However, sending the following queries results in the following:

SELECT 
  COUNT(*) as total,  
  SUM(cash_amount_received) AS sum_cash_amount_received, 
  COUNT(
    IF(total_medical_bills >= 100000 AND
    cash_amount_received , total_medical_bills, NULL)
  ) as obligatory_issue, 
  SUM(
    IF(total_medical_bills >= 100000 AND
    cash_amount_received , cash_amount_received, NULL)
  ) as sum_obligatory_issue, 
  SUM(amount) AS sum_amount 
FROM (
  SELECT total_medical_bills, cash_amount_received, amount 
  FROM hospital_payment_data, cash_receipt_row
) AS a

wrong result

enter image description here

Digvijay S :

Try this.

SELECT 
  COUNT(*) as total,  
  SUM(cash_amount_received) AS sum_cash_amount_received, 
  COUNT(
    IF(total_medical_bills >= 100000 AND
    cash_amount_received , total_medical_bills, NULL)
  ) as obligatory_issue, 
  SUM(
    IF(total_medical_bills >= 100000 AND
    cash_amount_received , cash_amount_received, NULL)
  ) as sum_obligatory_issue, 
  SUM(amount) AS sum_amount 
FROM (
  SELECT total_medical_bills, cash_amount_received, amount 
  FROM hospital_payment_data, cash_receipt_row 
WHERE hospital_payment_data.id = cash_receipt_row.id
) AS a

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