sql - How to get NULL as values for invalid column -
i'm using sql server 2012. consider table schema be,
create table (col1 int, col2 int)
i'm trying execute query,
select col1, col2, col3, col4 a
i execution error col3
, col4
not in table.
but there way, these 2 columns can displayed in result null
value every row, though it's not available in table?
use alias each 1 of these 2 columns:
select col1, col2, null col3, null col4
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