What does "+" mean below?

[GN0001]

proc sql;

create table mytable as

select distinct compress (code, ". ") as beginning , "+" as label,

.............................

Quit;

Regards,

blueblue

[tarheel13]

you created a column called label and assigned it as "+" in mytable.

[PaigeMiller]

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@GN0001 wrote:

proc sql;

create table mytable as

select distinct compress (code, ". ") as beginning , "+" as label,

.............................

Quit;

Regards,

blueblue

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For variable label, the value of "+" is assigned to every row.