Data persistence refers to the characteristic of data that is stored in a manner that ensures its longevity, meaning the data remains available and unchanged over time, regardless of power outages or system crashes. This is essential for a database, as the primary function of a database is to maintain data permanently until it is intentionally modified or deleted.
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What are some examples of data persistence mechanisms?
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How does data persistence relate to system crashes?
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Why is data persistence important for database applications?