alter system set statistics_level=typical (ALL, basic) scope=both(memory, spfile);
--注意,当 sga_target不等于0,即SGA不自动管理时,不能用以上命令,否则会报错。这时要运行METALINK提供的脚本dbmsnoawr.plb创建package: dbms_awr,接着exec dbms_awr.disable_awr;
select snap_id,dbid,instance_number
from dba_hist_snapshot;
select dbms_workload_repository.awr_report_text('2027229153',1,7,10,0) from dual;
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