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mysql字段从增和Oracle的sequence序列自增的比较

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2016-06-07 16:15:22903browse

mysql字段自增和Oracle的sequence序列自增的比较 mysql字段自增和Oracle的sequence序列自增的比较? 一、请问在 Oracleh和PostgreSQL为什么不用mysql那种字段自增方式,对应而已序列自增有什么优势? 二、请具体举例说明有哪几个方面的优势?

mysql字段自增和Oracle的sequence序列自增的比较
mysql字段自增和Oracle的sequence序列自增的比较?


一、请问在 Oracleh和PostgreSQL为什么不用mysql那种字段自增方式,对应而已序列自增有什么优势?

二、请具体举例说明有哪几个方面的优势?
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