sql - Set value of the column to default for NULL values -

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i have table column has default value 0. when null inserted table, want set default.

as insert query generic , used other databases too, cannot make changes insert statement.

can have constraints or case statement on create table, default 0 value inserted whenever null passed.

if can not change insert statement have no way other creating instead of insert trigger:

create trigger trtablename  on schemaname.tablename instead of insert begin      insert tablename (columna, columnb, ...)     select isnull(columna, 0), isnull(columnb, 0), ...     inserted  end

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