09-21-2014 01:57 PM
1.howmany other ways to do the below query?
select height,name from sashelp.class having height=min(height);
2. is below queries performs same?(where/on)
select * from a,b where a.empid=b.empid
select * from a inner join b on a.empid=b.empid
note: I want to know which is performance wise best. I already put fullstimer,I am getting cputime and os memory but cpu time is showing same
09-21-2014 03:01 PM
Question 2: These two syntaxes are equivalent. SQL queries describe what you want. SQL processors (part of the DBMS) try to find the optimal way of answering your query. Only testing, within your own configuration, will tell you which is best.