知识大全 024考试回忆

Posted 2022-07-15 知

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　　　　 / / 　　　　 Tuning Overview 　　 Oracle Alert and Trace Files 　　 Utilities and Dynamic Performance views 　　 Tuning the Shared Pool 　　 Tuning the Buffer Cache 　　 tuning the Redo Log Buffer 　　 Database Configuration and I/O Issues 　　 Using Oracle Blocks Efficiently 　　 Optimizing sort Operations 　　 Tuning Rollback Segments 　　 Monitoring and Detecting Lock Contention 　　 SQL Issues and Tuning Considerations for Different Applications 　　 Managing a Mixed Workload 　　 Tuning with Oracle Expert 　　 Multithreaded Server Tuning Issues 　　　　 which view can be used to monitor full table scan?　　 v$sysstat　　 no v$session_longops so I have to choose v$sysstat 　　　　 Three types for tunning session scopes　　 instance　　 structure　　 application　　　　 After u query v$dispatcher and you add more dispatcher following which situation will u meet possibly?　　 shared server process contention (*)　　 rbs header contention　　　　 which o statment are true for OLTP?　　 Using small block size instead of large size　　 Config more rbs　　　　 which o statments are true for stored outline?　　 Storaged in sys schema　　 Can be grouped with catogory　　　　 The first step of using DBMS_resource_manager package　　 create_pending_area　　　　 Which o views will be queried when you monitor lock contention?　　 v$lock　　 v$locked_object　　 v$locked_objects (error)　　　　考了一个关于optimizer first rows 的题计不清楚了　　　　 Dead lock detected message is recorded in which file　　 background_dump_dest　　　　 I/O slave 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 slave works in 异步 dbwr works in 同步　　 I/O slave works in 同步 dbwr works in 异步　　选个具体看看书吧　　　　 log buffer must be the multiple of OS block size　　　　 which operations can avoid sort?　　看书　　　　 Why u set next value equal init value when create rbs?　　 minimal rbs header contention　　 rbs used in circulate mode　　我不会　　　　 CURSOR_SPACE_FOR_TIME考了我印象很深因为这个地方的书我没看懂 cha138/Article/program/Oracle/201311/17992