sql - Update table according to the another table value -

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i have 2 tables employees 

empid | empname | empdob

and warehouseemployeers

warehouseempid | position | province

i need update employee table according warehouseemployers table's values. how update details employee table according warehouse province , position?

i have tried it's not working:

update employee set a.empname = 'steven', a.empdob = '5-5-1990' employee a, warehouseemployee b,      a.empid = b.warehouseempid      , position = 'manager', province = 'central'

can please me in sql server?

please use script 

update set a.empname = 'steven' , a.empdob='5-5-1990' employee  inner join warehouseemployee b on a.empid = b.warehouseempid                                 , position = 'manager'                                 , province = 'central'

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