PASS Summit 2018 was great, with sessions about many new technologies giving us very good guidance on where to focus our study for the new year. In other words, according to the results, the JobCandidate table contains no BusinessEntityID values that are not contained in the Employee table.
Compliant Database DevOps. BusinessEntityID, e. View all articles by Robert Sheldon.
Instead of that tortured CTE, how about just: The Oracle intersect operator is used to return the results of two or more select statements.
Please let me share. All those outer joins with NULLs drives me nuts.51. Union, Union All, Intersect and Minus Operators in PL/SQL Oracle
The following bullets sum up which operator to use to return different combinations of data: The difference, of course, is in the results. Very good explanation!
BusinessEntityID ,. However, because the query to the left of the operator is retrieving data from the Employee table, the final result set will include data only from that table, and not the JobCandidate table. In the following statement, I again combine two queries, one that retrieves data from the Employee table and one that retrieves data from the JobCandidate table:.
That means, these two rows should be excluded from the result set of the query above, which is exactly what happens. Thanks for a clear and concise explanation of this feature.
Notify me of new comments via email. Rob Sheldon explains all, with plenty of examples. Sorry I am confused. Visit chat.
Standardize team-based development Automate database deployments Monitor performance and availability Protect and preserve data. How is the intersect operator different from the union operator? You can find more information at http: