What is a lost update and how do you prevent it?
What is a lost update and how do you prevent it?
题目类型: 技术面试题
这是一道技术面试题,常见于澳洲IT公司面试中。
难度: medium
标签: interviewbit, dbms, topic-specific, database
参考答案摘要
A lost update happens when two transactions update the same data based on an old value. The second update overwrites the first without any warning. This usually occurs under low isolation. It can be p...
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