how to insert a value to sql database by summing last row value and the inserting value












0















i have two table



credit table



id date credit
1 4-1-2019 300
2 10-1-2019 500
3 10-2-2019 300



debit table



id date debit
1 2-1-2019 400
2 6-1-2019 600
3 2-2-2019 300



I want to join both table order by date and sum balance from credit and debit



just like this



somthng like this




id date debit credit balance
1 2-1-2019 400 400
1 4-1-2019 300 100
2 6-1-2019 600 700
2 10-1-2019 500 200
3 2-2-2019 300 500
3 10-2-2019 300 200

iam using this got so far



select id, dates, debit, credit, (COALESCE(debit, 0) - COALESCE(credit, 0)) as balance
from ( (select id, dates, debit, null as credit from debit)
union all

(select id, dates, null as debit, credit from credit)
) b
order by dates



but the balance column is not summing with the last balance column value



my output is



`



id date debit credit balance
1 2-1-2019 400 400
1 4-1-2019 300 -300
2 6-1-2019 600 600
2 10-1-2019 500 -500
3 2-2-2019 300 300
3 10-2-2019 300 -300



as u can see balance column not summing up as my requirement. iam not expert so I welcome any new method also










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Sharoon Ck is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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    0















    i have two table



    credit table



    id date credit
    1 4-1-2019 300
    2 10-1-2019 500
    3 10-2-2019 300



    debit table



    id date debit
    1 2-1-2019 400
    2 6-1-2019 600
    3 2-2-2019 300



    I want to join both table order by date and sum balance from credit and debit



    just like this



    somthng like this




    id date debit credit balance
    1 2-1-2019 400 400
    1 4-1-2019 300 100
    2 6-1-2019 600 700
    2 10-1-2019 500 200
    3 2-2-2019 300 500
    3 10-2-2019 300 200

    iam using this got so far



    select id, dates, debit, credit, (COALESCE(debit, 0) - COALESCE(credit, 0)) as balance
    from ( (select id, dates, debit, null as credit from debit)
    union all

    (select id, dates, null as debit, credit from credit)
    ) b
    order by dates



    but the balance column is not summing with the last balance column value



    my output is



    `



    id date debit credit balance
    1 2-1-2019 400 400
    1 4-1-2019 300 -300
    2 6-1-2019 600 600
    2 10-1-2019 500 -500
    3 2-2-2019 300 300
    3 10-2-2019 300 -300



    as u can see balance column not summing up as my requirement. iam not expert so I welcome any new method also










    share|improve this question







    New contributor




    Sharoon Ck is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.























      0












      0








      0








      i have two table



      credit table



      id date credit
      1 4-1-2019 300
      2 10-1-2019 500
      3 10-2-2019 300



      debit table



      id date debit
      1 2-1-2019 400
      2 6-1-2019 600
      3 2-2-2019 300



      I want to join both table order by date and sum balance from credit and debit



      just like this



      somthng like this




      id date debit credit balance
      1 2-1-2019 400 400
      1 4-1-2019 300 100
      2 6-1-2019 600 700
      2 10-1-2019 500 200
      3 2-2-2019 300 500
      3 10-2-2019 300 200

      iam using this got so far



      select id, dates, debit, credit, (COALESCE(debit, 0) - COALESCE(credit, 0)) as balance
      from ( (select id, dates, debit, null as credit from debit)
      union all

      (select id, dates, null as debit, credit from credit)
      ) b
      order by dates



      but the balance column is not summing with the last balance column value



      my output is



      `



      id date debit credit balance
      1 2-1-2019 400 400
      1 4-1-2019 300 -300
      2 6-1-2019 600 600
      2 10-1-2019 500 -500
      3 2-2-2019 300 300
      3 10-2-2019 300 -300



      as u can see balance column not summing up as my requirement. iam not expert so I welcome any new method also










      share|improve this question







      New contributor




      Sharoon Ck is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.












      i have two table



      credit table



      id date credit
      1 4-1-2019 300
      2 10-1-2019 500
      3 10-2-2019 300



      debit table



      id date debit
      1 2-1-2019 400
      2 6-1-2019 600
      3 2-2-2019 300



      I want to join both table order by date and sum balance from credit and debit



      just like this



      somthng like this




      id date debit credit balance
      1 2-1-2019 400 400
      1 4-1-2019 300 100
      2 6-1-2019 600 700
      2 10-1-2019 500 200
      3 2-2-2019 300 500
      3 10-2-2019 300 200

      iam using this got so far



      select id, dates, debit, credit, (COALESCE(debit, 0) - COALESCE(credit, 0)) as balance
      from ( (select id, dates, debit, null as credit from debit)
      union all

      (select id, dates, null as debit, credit from credit)
      ) b
      order by dates



      but the balance column is not summing with the last balance column value



      my output is



      `



      id date debit credit balance
      1 2-1-2019 400 400
      1 4-1-2019 300 -300
      2 6-1-2019 600 600
      2 10-1-2019 500 -500
      3 2-2-2019 300 300
      3 10-2-2019 300 -300



      as u can see balance column not summing up as my requirement. iam not expert so I welcome any new method also







      mysql php phpmyadmin






      share|improve this question







      New contributor




      Sharoon Ck is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.











      share|improve this question







      New contributor




      Sharoon Ck is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.









      share|improve this question




      share|improve this question






      New contributor




      Sharoon Ck is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.









      asked 13 mins ago









      Sharoon CkSharoon Ck

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      New contributor




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      New contributor





      Sharoon Ck is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.






      Sharoon Ck is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.






















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