sql - Update column of one table from same table -

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i need update 1 column of table other same table 

update table  set table1.name = table1.nickname table  userid = 5

is there problem in query, please help.

looks you're adding syntax don't need...if data need there in table, so, regardless of flavor of sql (i think; wrong on part):

update dbo.tablename set columntochange = columnwithcorrectvalue userid = 5


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