SQL Update Subsequent Column OFFSET FETCH NEXT -



SQL Update Subsequent Column OFFSET FETCH NEXT -

i know there way doing auto looping / counter batch, updating sql column using offset / fetch next method

question : below table have 20 rows, update dealerid column first 4 rows 1,2,3,4 , next subsequent 4 rows repeating 1,2,3,4 values

something below need modify table

id dealerid 1 1 1 2 2 2 3 3 3 4 4 4 5 5 1 6 6 2 7 7 3 8 8 4 9 9 1 10 10 2 11 11 3 12 12 4 13 13 1 14 14 2 15 15 3 16 16 4 17 17 1 18 18 2 19 19 3 20 20 4

original table

id dealerid storeid terminalid messageno createddate 1 1 86 5027 029500021201403031434350039 2014-03-03 14:34:37.347 2 2 86 5027 029500021201403031434350039 2014-03-05 10:31:59.903 3 3 86 5027 029500021201403031434350039 2014-03-05 10:33:41.293 4 4 86 5027 029500021201403031434350039 2014-03-05 10:46:50.057 5 5 86 5027 029500021201403031434350039 2014-03-05 10:50:23.910 6 6 33 5338 004000003201403051508010255 2014-03-05 15:08:03.247 7 7 26 5595 704201181201403061024330013 2014-03-06 10:24:34.590 8 8 26 5595 704201181201403061026180022 2014-03-06 10:26:19.517 9 9 33 5338 004000003201403061043150312 2014-03-06 10:43:16.013 10 10 86 5027 029500021201403031434350039 2014-03-06 14:27:51.717 11 11 86 5027 029500021201403031434350039 2014-03-06 14:38:40.593 12 12 86 5027 029500021201403031434350039 2014-03-06 14:44:25.947 13 13 521 4905 051100003002447 2014-03-07 12:51:07.487 14 14 521 4905 051100003002447 2014-03-07 12:55:07.300 15 15 521 4905 051100003002447 2014-03-07 12:56:24.793 16 16 521 4905 051100003002447 2014-03-07 12:57:43.123 17 17 521 4905 051100003002447 2014-03-07 14:15:11.093 18 18 632 5120 088800003201403071441280026 2014-03-07 14:41:29.733 19 19 632 5120 088800003201403071456500050 2014-03-07 14:56:51.727 20 20 632 5120 088800003201403071459240064 2014-03-07 14:59:24.953

assuming id's consequently, starting 1:

in mysql:

update originaltable set dealreid = mod(id-1, 4)+1

and in microsoft sql server:

update originaltable set dealreid = ((id-1)%4)+1

sql-update

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