How to update Column related to Row Number












0















Is there any easy way to update Column by Row number not a PK
ex:



UPDATE contact m
SET ContactNumber = sub.rn + 500
FROM (SELECT Id, row_number() OVER (ORDER BY Id) AS rn FROM contact) sub
WHERE m.Id = sub.Id;








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    0















    Is there any easy way to update Column by Row number not a PK
    ex:



    UPDATE contact m
    SET ContactNumber = sub.rn + 500
    FROM (SELECT Id, row_number() OVER (ORDER BY Id) AS rn FROM contact) sub
    WHERE m.Id = sub.Id;








    share







    New contributor




    Mokh Akh 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








      Is there any easy way to update Column by Row number not a PK
      ex:



      UPDATE contact m
      SET ContactNumber = sub.rn + 500
      FROM (SELECT Id, row_number() OVER (ORDER BY Id) AS rn FROM contact) sub
      WHERE m.Id = sub.Id;








      share







      New contributor




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












      Is there any easy way to update Column by Row number not a PK
      ex:



      UPDATE contact m
      SET ContactNumber = sub.rn + 500
      FROM (SELECT Id, row_number() OVER (ORDER BY Id) AS rn FROM contact) sub
      WHERE m.Id = sub.Id;






      mysql mariadb





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      asked 6 mins ago









      Mokh AkhMokh Akh

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      New contributor





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          1 Answer
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          I got the answer :)



          UPDATE contact m
          join
          (
          SELECT Id, @rownum:=@rownum+1 rownum FROM contact
          CROSS JOIN (select @rownum := 0) rn
          order by contact.Id
          ) as sub on sub.Id= m.Id
          set m.ContactNumber = sub.rownum + 500
          where m.Client_Id=1




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            1 Answer
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            1 Answer
            1






            active

            oldest

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            0














            I got the answer :)



            UPDATE contact m
            join
            (
            SELECT Id, @rownum:=@rownum+1 rownum FROM contact
            CROSS JOIN (select @rownum := 0) rn
            order by contact.Id
            ) as sub on sub.Id= m.Id
            set m.ContactNumber = sub.rownum + 500
            where m.Client_Id=1




            share








            New contributor




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














              I got the answer :)



              UPDATE contact m
              join
              (
              SELECT Id, @rownum:=@rownum+1 rownum FROM contact
              CROSS JOIN (select @rownum := 0) rn
              order by contact.Id
              ) as sub on sub.Id= m.Id
              set m.ContactNumber = sub.rownum + 500
              where m.Client_Id=1




              share








              New contributor




              Mokh Akh 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 got the answer :)



                UPDATE contact m
                join
                (
                SELECT Id, @rownum:=@rownum+1 rownum FROM contact
                CROSS JOIN (select @rownum := 0) rn
                order by contact.Id
                ) as sub on sub.Id= m.Id
                set m.ContactNumber = sub.rownum + 500
                where m.Client_Id=1




                share








                New contributor




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










                I got the answer :)



                UPDATE contact m
                join
                (
                SELECT Id, @rownum:=@rownum+1 rownum FROM contact
                CROSS JOIN (select @rownum := 0) rn
                order by contact.Id
                ) as sub on sub.Id= m.Id
                set m.ContactNumber = sub.rownum + 500
                where m.Client_Id=1





                share








                New contributor




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








                share


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                answered 33 secs ago









                Mokh AkhMokh Akh

                11




                11




                New contributor




                Mokh Akh is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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                New contributor





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






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






















                    Mokh Akh is a new contributor. Be nice, and check out our Code of Conduct.










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