获取awr ash

[ashrpt]
@?/rdbms/admin/ashrpt.sql

[awrddrpt]
@?/rdbms/admin/awrddrpt.sql

[awrsqrpt.sql]
@?/rdbms/admin/awrsqrpt.sql

[awrrpt]
@?/rdbms/admin/awrrpt.sql

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示例：SQL> @?/rdbms/admin/awrrpt.sql
....
Enter value for report_type: html
....
Enter value for num_days: 2
....
Enter value for begin_snap: 30983
....
Enter value for end_snap: 30984
....
Enter value for report_name: /tmp/awrrpt_1_30983_30984.html