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.
PG
PG
Join us for SAS Innovate April 16-19 at the Aria in Las Vegas. Bring the team and save big with our group pricing for a limited time only.
Pre-conference courses and tutorials are filling up fast and are always a sellout. Register today to reserve your seat.