标准块大小是通过初始化参数DB_BLOCK_SIZE特别指定的。
The standard block size is specified by the DB_BLOCK_SIZE initialization parameter.
不管代码是否执行该块,这些初始化都会生效。
These initializations take effect whether or not your code ever executes the block.
不管代码是否执行该块,这些初始化都会生效。
These initializations take effect whether or not your code ever executes the block.
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