topic Re: Selecting Top ten rows in ODS and Base Reporting

Selecting Top ten rows

DavidPhillips2 — Fri, 13 May 2016 17:31:37 GMT

I have a large table that I cannot open directly in SAS due to size. I tried selecting only the top ten rows but the query is taking forever. Is there a reason why selecting the top ten rows would have a delay at all?

data myTable_temp;
set mylibrary.myTable (obs=10);
run;

Re: Selecting Top ten rows

ballardw — Fri, 13 May 2016 17:39:05 GMT

Is your MyLibrary another database and not a native SAS data set?

Or located on a network with possible comminication issues?

Re: Selecting Top ten rows

DavidPhillips2 — Fri, 13 May 2016 17:44:58 GMT

How do I tell? I see it as a SAS dataset under shared data in Enterprise Guide.

Re: Selecting Top ten rows

DavidPhillips2 — Fri, 13 May 2016 17:59:46 GMT

I tried doing a select count(*) that spins in Oracle on the table for five mintues with no result.

Re: Selecting Top ten rows

Haikuo — Fri, 13 May 2016 18:05:00 GMT

Try this:

proc sql inobs=10;
create table mytable_temp as
select * from mylibrary.mytable;
quit;

Re: Selecting Top ten rows

ballardw — Fri, 13 May 2016 19:34:03 GMT

@DavidPhillips2 wrote:

How do I tell? I see it as a SAS dataset under shared data in Enterprise Guide.

Assuming this is how to see what/where a library or data set may be

In Libraries under the server list right click on the library and select Properties from the menu. It will show the Path to the library and other

properties.

Re: Selecting Top ten rows

DavidPhillips2 — Mon, 16 May 2016 12:25:23 GMT

I learned that a count(*) on a few actually takes a long time. When querying large views the idea is to use a where clause.