oracle性能调优

login.sql

set timing on   -- 启动sql执行时间统计
set long 5000   -- 显示clob字段
set linesize 100 -- 行宽
set pagesize 9999
set trimspool on
set sqlprompt 'APP_SQL>'

SQL>alter system set timed_statistics=true;
SQL>alter system set sql_trace=true;
SQL>alter session set sql_trace=true;
SQL>alter system set max_dump_file_size=50M;

>tkprof aa.trc report.txt