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Database Schema design of server running status log
I am working with 4 AWS EC2 instances (servers). Each Instance has Instance ID and Instance Name. Instance ID is unique. Each of them having multiple application servers, like on of them is running ...
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SQL - for some attributes specific to different clients' users, how to handle schema?
I have clients, each of whom have an app with a bunch of users.
Their user data could be pretty different, but there is also a lot of overlap. Ex: all their users have "gender" and "age" and plenty ...