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1. jdbc result set metadata: getting physical column names on aliased columns    stackoverflow.com

I'm using jdbc to execute query statements (in jruby) 

# made-up example
sql = "select " +
         "c.type as cartype, " +
    ...

2. Supressing Null column in a Result Set    coderanch.com

Hi All How can we suppress a Null column in a reslutset? I mean, suppose a table has three columns and only two columns has data and the third column is entirely Null, when i fetch the resultset, i get this null column also. But while using this result set i have to suppress the empty column. How can this be ...