What happens when we run into the problem where we attempt to make changes, but our source code differs from our live code? Check out the solution in the video Pre-update schema check failed: the schema in the release and database on server are different. As you can see, we look at how to address this issue where objects we may not be deploying differ, which affect objects that we are deploying.
Some considerations in this video in the context of what we're doing:
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Relative to the software (and environment), sometimes we can simply retry the deployment and get around this error. However, as mentioned in the video, if we are not deploying the full database, but only a part of it, this will not be an option if we have other non-deployed objects that differ. We should always know what objects should change and avoid changing objects that should not change.
One regular point I like to remind my audience, especially as of recent: we can often solve the same problem with a variety of techniques. While we look at one or two ways to solve the problem, these aren't the only ways we can approach this problem. The most appropriate solution to a problem is one in which you can troubleshoot quickly in the future and one in which you understand. Be careful about applying solutions that solve a problem, but introduce new problems in the future.
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A great re-occuring example of this is my discussion on alerting best practices. There are a variety of alerts everywhere for everything in today's development environments, but many of these alerts cause more issues than they solve (one of which is creating a distraction). Be careful about "easy" solutions which introduce bigger problems. Know your environment and where to apply the best solution. Of course, all these being written, it is helpful to learn new techniques to solve problems because they may be useful in the future.
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