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Managing SQL Drift: Ensuring Stability in Database Transitions
SQL drift is a significant challenge that occurs when SQL statements from an existing system produce unexpected results after migration to a new environment or system. These issues manifest in several critical ways: SQL statements may generate new execution errors, experience significant performance degradation, or yield differences in data integrity.
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Database testing for all version changes (including minor versions)
We know that SQL statement compatibility can change with major database version upgrades and that you should adequately test for them. But what about minor version upgrades? It is dangerous to assume that your existing SQL statements work with a minor update, especially when using an augmented version of an open-source database such as a cloud provider that may not be as transparent about all changes.
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The curse of MySQL warnings
MySQL warnings are an anti-pattern when it comes to maintaining data integrity. When the information retrieved from a database does not match what was entered, and this is not identified immediately, this can be permanently lost.
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