8. 考了一个关于optimizer first-rows 的题, 计不清楚了
9. Dead lock , detected message is recorded in which file
background_dump_dest
10. I/O slxdye and DBWR 的工作方式
I/O only works in 异步IO的情况下
DBWR only works in 异步IO的情况下
I/O slxdye works in 异步, dbwr works in 同步
I/O slxdye works in 同步, dbwr works in 异步
选2个, 具体看看书吧
11. log buffer must be the multiple of OS block size
12. which operations can xdyoid sort?
看书10-14
13. Why u set next value equal init value when create rbs?
minimal rbs header contention
rbs used in circulate mode
我不会
14. CURSOR_SPACE_FOR_TIME考了, 我印象很深,因为这个地方的书我没看懂
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