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Is the CDC off of the readable secondary?
CDC is supported off of the readable secondary but Change Tracking is not unfortunately. The link is specified below but here are the relevant parts for my needs. While in many cases a client application will always want to connect to the current primary replica that is not the only way to leverage AlwaysOn availability groups.
Can a log be shipped to multiple instances?
The log can be shipped to multiple secondary server instances. In such cases, operations 2 and 3 are duplicated for each secondary server instance. A log shipping configuration does not automatically fail over from the primary server to the secondary server.
What are the three operations of log shipping?
Log shipping consists of three operations: 1 Back up the transaction log at the primary server instance. 2 Copy the transaction log file to the secondary server instance. 3 Restore the log backup on the secondary server instance. More
Where does log shipping take place in SQL Server?
All administration of the log shipping configuration through SQL Server Management Studio is performed from the primary database. The instance of SQL Server where you want to keep a warm standby copy of your primary database. The warm standby copy of the primary database.
Can you get change tracking data from a secondary replica?
Change tracking data must always be obtained from the primary replica. An attempt to access change data from a secondary replica will result in the following error: For databases that are members of a secondary replica, change tracking is not supported. Run change tracking queries on the databases in the primary replica.
When to use change tracking or change data capture?
If an application requires information about all the changes that were made and the intermediate values of the changed data, using change data capture, instead of change tracking, might be appropriate. For more information, see About Change Data Capture (SQL Server).
How does contact tracing help prevent the spread of disease?
Contact tracing is used by health departments to prevent the spread of infectious diseased. In general, contact tracing involves identifying people who have an infectious disease (cases) and people who they came in contact with (contacts) and working with them to interrupt disease spread.