Sql Expressions: Empty Results Not Compatible With Alerting

In microsoft press training kit for 70-461 exam, "querying microsoft sql server", they say "as an. Select productid, productname from northwind..products p where not exists ( select 1 from northwind..[order details] od. Apr 29, 2014what does sql select symbol || mean?

Apr 14, 201111 in sql, anything you evaluate / compute with null results into unknown this is why select * from mytable where mycolumn != null or select * from mytable where. This is the best way of protecting against sql injection. Jan 25, 2017all previous version of sql server express were available in both web and full downloads.

But i cannot find full download of sql server® 2016 express.