It uses primary keys and foreign keys as a means to provide efficient access to data and is supported directly in the database rather than maintained in the application code.
Explanation: Relational databases use an expressive query language, make efficient use of indexes within the database, ensure strong consistency, and fit well within an enterprise management system. Non-relational databases have a flexible data model, have high scalability, and performance, and have always-on global deployments.
Sometimes they just beep for no reason or the batteries are faulty
Answer:
Delete and block the email. It is obviously a scam.
Add-on:
I hope this helped you at all.
Explanation:
not A or D,
about B and C I'm not sure
Answer: Site Link
Explanation: Site link is the type connection that is created for the different sites.It helps in the connectivity in the multiple site surrounding known as inter-site and transferring the traffic created by the replication activity.
Other options are incorrect because bridgehead servers is a device to control the domain,subnet is the part of the IP network and domain is used for the identification of address .Thus, the correct option is site link.