数据库中using hashing是什么意思
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解决时间 2021-01-28 22:30
- 提问者网友：龅牙恐龙妹
- 2021-01-28 00:44
数据库中using hashing是什么意思
最佳答案
- 五星知识达人网友：煞尾
- 2021-01-28 01:27
3. Hashing exhibits the best performance for
(a) sequential scan of the entire table
(b) ordering query results based on the key used for hashing
(c) equality searches involving the key, provided the key is used for hashing
(d) range queries
Correct answer is (c)
(a) sequential scan of the entire table
(b) ordering query results based on the key used for hashing
(c) equality searches involving the key, provided the key is used for hashing
(d) range queries
Correct answer is (c)
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- 1楼网友：由着我着迷
- 2021-01-28 01:42
没看懂什么意思？
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