sql server - SQL Query Using Cursor and table variable

Question

Input table is having data and result table should read all the data from input table and check the length of Name column and should print the length which is <=5 in result table

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can you please suggest using loops (IF else) ...like reading the data using conditions i.e. <=5, and by insert statement storing it in a temporary table variable and by using final select statement we are getting the output... plz help

Answer 1

Just use LEN() function with case expression :

select t.id,
       (case when len(name) <= 5 
             then concat(name, '_', len(name)) 
             else name 
        end) as name,
       age
from table t