Expert SQL Server In-Memory OLTP is a deep dive into one of the most significant features of SQL Server 2014 – support for In-Memory Online Transaction Processing. The book describes the architecture and internals of the In-Memory OLTP Engine and ex
Oracle 在12c版本中引入了内存与列式压缩选件In-Memory,In-Memory可以极大提升查询的性能。
这里通过一个对比可以看到同样的查询中能提高多少性能。
1.先给In-Memory分配内存
SQL> show parameter inmemory;
NAME TYPE VALUE
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