I'm reading the new features for SQL Server 2019; on the new UTF-8 support part it says "This reduction is because NCHAR(10) requires 22 bytes for storage, whereas CHAR(10) requires 12 bytes for the same Unicode string."
@PaulWhite, I think it's been asked before, but will there be recordings of your precon in Lisbon? I'd gladly pay the precon registration amount to see it
@PaulWhite going a back to the COUNT() thing, I'm under the impression that COUNT(*) is not quite the same as COUNT(1) because COUNT(*) would fail when you don't have permissions to read all the columns of a table
In case anyone is interested in getting started with WPA as well, I really liked seeing these introduction videos from Bruce Dawson: randomascii.wordpress.com/2014/08/19/…