Setting SQL Procedure Options 4 Setting SQL Procedure Options

Controlling Processing PROC SQL options give you finer control over your SQL processes: Syntax checking without executing your code Expanding SQL statements to their fully-qualified values Restricting the number of rows processed Providing system utilization statistics for query tuning

Controlling Processing, Selected options Effect INOBS=n sets a limit of n rows from each source table that contributes to a query. OUTOBS=n restricts the number of rows that a query outputs (displays or writes to a table). NOSTIMER|STIMER controls whether or not PROC SQL writes resource utilization statistics to the SAS log. continued...

Controlling Processing, Selected options Effect PRINT|NOPRINT controls whether the results of a SELECT statement are displayed in the OUTPUT window. NONUMBER|NUMBER controls whether the row number is displayed as the first column in query output. NODOUBLE|DOUBLE controls whether the report is double-spaced. continued...

Use the RESET statement to add or change PROC SQL options without re-invoking the procedure RESET option(s);

Controlling Processing, Read ten rows from orion.Price_List proc sql inobs=10; title "orion.Price_List - INOBS=10"; select Product_ID, Unit_Cost_Price format=comma8.2, Unit_Sales_Price format=comma8.2, Unit_Sales_Price-Unit_Cost_Price as Margin format=comma8.2 from orion.Price_List ; quit; title;

Controlling Processing Controlling Processing. Join all rows, but limit output to the 10 most profitable customers proc sql outobs=10; title "10 Most Profitable Customers"; select Customer_ID, sum(Unit_Sales_Price-Unit_Cost_Price) as Profit_2007 format=comma8.2 from orion.Price_List as p, orion.Order_Fact as o where p.Product_ID=o.Product_id and year(Order_date) =2007 group by Customer_ID order by Profit_2007 desc; quit; title;

proc sql number outobs=10; title "Top 10 Employee's 2007 Charitable Donations"; select Employee_Name, Sum(Qtr1,Qtr2, Qtr3,Qtr4) as Donation_Total from orion.Employee_Addresses as a, orion.Employee_donations as d where a.Employee_ID=d.Employee_ID order by Donation_Total desc, Employee_Name ; reset nonumber outobs=9; title "Top 9 Employee's 2007 Charitable Donations"; quit; title;