Phantom Read
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Phantom ReadDB/RDB 2019. 9. 30. 13:11
1. Overview Database transactions are defined by the four properties known as ACID. The Isolation Level (I in ACID) allows you to trade off data integrity for performance. The weaker the isolation level, the more anomalies can occur, and in this article, we are going to describe the Phantom Read phenomenon. 2. Description 2.1 Phenomenon If a transaction makes a business decision based on a set o..