case when ... then in update and select, add row numbers for pagination

update test1 set name = case 
when name = 'n' then '你'
when name = 'h' then '好'
when name = 'm' then '吗'
else '你好吗'
end 

 

 

select id,case 
when name = '你' then 'ni'
when name = '好' then 'hao'
when name = '么' then 'me'
else 'nihaome'
end,count(*)
from test group by id,name 

 

 

select *,row_number() over(order by anniversary desc) from test1 

 

select name from sys.columns where object_id=object_id('Log_Erro') -- query the columns in the table