Search notes:

SQL Server 2019

Full support for UTF-8 in char and varchar.
nchar and nvarchar remain unchanged and store UTF-16 only.
Always Encrypted now with secure enclave.
approx_count_distinct
Trace flag 460
The new dynamic management function sys.dm_db_page_info returns about a page's header and can be used together with sys.dm_exec_requests and sys.sysprocesses to examine performance issues caused by pages.
Big Data Clusters
The RTM (Release-to-Build) number for SQL Server 2019 is 15.0.2000.5.
data virtualization

Index

Fatal error: Uncaught PDOException: SQLSTATE[HY000]: General error: 8 attempt to write a readonly database in /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php:78 Stack trace: #0 /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php(78): PDOStatement->execute(Array) #1 /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php(30): insert_webrequest_('/notes/developm...', 1788457373, '216.73.217.21', 'Mozilla/5.0 App...', NULL) #2 /home/httpd/vhosts/renenyffenegger.ch/httpsdocs/notes/development/databases/SQL-Server/versions/2019(55): insert_webrequest() #3 {main} thrown in /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php on line 78