SQL> select * from v$version;
BANNER
----------------------------------------------------------------
Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Prod
PL/SQL Release 10.2.0.1.0 - Production
CORE    10.2.0.1.0      Production
TNS for 32-bit Windows: Version 10.2.0.1.0 - Production
NLSRTL Version 10.2.0.1.0 - Production
SQL> --1.创建简单资源计划
SQL> BEGIN
2  DBMS_RESOURCE_MANAGER.CREATE_SIMPLE_PLAN(SIMPLE_PLAN => 'simple_plan1',
3     CONSUMER_GROUP1 => 'mailgrp', GROUP1_CPU => 80,
4     CONSUMER_GROUP2 => 'mgrgrp', GROUP2_CPU => 20);
5  END;
6  /
PL/SQL 过程已成功完成。
SQL> --2.为组和用户指定映射规则
SQL> BEGIN
2  DBMS_RESOURCE_MANAGER.CREATE_PENDING_AREA();
3  DBMS_RESOURCE_MANAGER.SET_CONSUMER_GROUP_MAPPING
4       (DBMS_RESOURCE_MANAGER.ORACLE_USER, 'mail', 'mailgrp');
5  DBMS_RESOURCE_MANAGER.SET_CONSUMER_GROUP_MAPPING
6       (DBMS_RESOURCE_MANAGER.ORACLE_USER, 'mgr', 'mgrgrp');
7  END;
8  /
PL/SQL 过程已成功完成。
SQL> --3.提交变更
SQL> BEGIN
2  DBMS_RESOURCE_MANAGER.SUBMIT_PENDING_AREA();
3  END;
4  /
PL/SQL 过程已成功完成。
SQL> set linesize 200
SQL> COL PLAN FOR A20;
SQL> COL CPU_METHOD FOR A20;
SQL> COL STATUS FOR A10;
SQL> COL MANDATORY FOR A10;
SQL> COL COMMENTS FOR A50;
SQL> SELECT  T.PLAN,T.CPU_METHOD,T.STATUS,T.MANDATORY,T.COMMENTS  FROM DBA_RSRC_PLANS T;
PLAN                 CPU_METHOD           STATUS     MANDATORY  COMMENTS
-------------------- -------------------- ---------- ---------- --------------------------------------------------
SIMPLE_PLAN1         EMPHASIS                        NO         Simple plan
INTERNAL_PLAN        EMPHASIS                        YES        Default Plan
INTERNAL_QUIESCE     EMPHASIS                        YES        Plan to internally quiesce system
SYSTEM_PLAN          EMPHASIS                        NO         Plan to give system sessions priority
SQL> COL PLAN FOR A20;
SQL> COL GROUP_OR_SUBPLAN FOR A20;
SQL> COL TYPE FOR A20;
SQL> COL CPU_P1 FOR 99999
SQL> COL CPU_P2 FOR 99999
SQL> COL CPU_P3 FOR 99999
SQL> COL MANDATORY FOR A10;
SQL> COL COMMENTS FOR A50;
SQL> SELECT T.PLAN,T.GROUP_OR_SUBPLAN,T.TYPE,T.CPU_P1,T.CPU_P2,T.CPU_P3 ,T.MANDATORY,T.COMMENTS
2  FROM DBA_RSRC_PLAN_DIRECTIVES  T WHERE T.PLAN='SIMPLE_PLAN1';
PLAN                 GROUP_OR_SUBPLAN     TYPE                 CPU_P1 CPU_P2 CPU_P3 MANDATORY  COMMENTS
-------------------- -------------------- -------------------- ------ ------ ------ ---------- --------------------------
SIMPLE_PLAN1         MAILGRP              CONSUMER_GROUP            0     80      0 NO         Level 2 Group 1
SIMPLE_PLAN1         SYS_GROUP            CONSUMER_GROUP          100      0      0 NO         SYS Level 1
SIMPLE_PLAN1         OTHER_GROUPS         CONSUMER_GROUP            0      0    100 NO         OTHER_GROUPS Level 3
SIMPLE_PLAN1         MGRGRP               CONSUMER_GROUP            0     20      0 NO         Level 2 Group 2
SQL> COL ATTRIBUTE FOR A20
SQL> COL VALUE FOR A20
SQL> COL CONSUMER_GROUP FOR A20
SQL> COL STATUS FOR A20
SQL> SELECT * FROM DBA_RSRC_GROUP_MAPPINGS;
ATTRIBUTE            VALUE                CONSUMER_GROUP       STATUS
-------------------- -------------------- -------------------- --------------------
ORACLE_USER          MAIL                 MAILGRP
ORACLE_USER          MGR                  MGRGRP
ORACLE_USER          SYS                  SYS_GROUP
ORACLE_USER          SYSTEM               SYS_GROUP
SQL> COL CONSUMER_GROUP FOR A25
SQL> COL CPU_METHOD FOR A20
SQL> COL STATUS FOR A10
SQL> COL MANDATORY FOR A10
SQL> COL COMMENTS FOR A50
SQL> SELECT * FROM DBA_RSRC_CONSUMER_GROUPS;
CONSUMER_GROUP            CPU_METHOD           COMMENTS                                           STATUS     MANDATORY
------------------------- -------------------- -------------------------------------------------- ---------- ----------
MAILGRP                   ROUND-ROBIN          Level 2 Group 1                                            NO
MGRGRP                    ROUND-ROBIN          Level 2 Group 2                                            NO
OTHER_GROUPS              ROUND-ROBIN          consumer group for users not included in any group         YES
in the active top-plan
DEFAULT_CONSUMER_GROUP    ROUND-ROBIN          consumer group for users not assigned to any group         YES
SYS_GROUP                 ROUND-ROBIN          Group of system sessions                                   YES
LOW_GROUP                 ROUND-ROBIN          Group of low priority sessions                             NO
AUTO_TASK_CONSUMER_GROUP  ROUND-ROBIN          System maintenance task consumer group                     NO
已选择7行。
SQL> --4.开启simple_plan1资源计划
SQL> ALTER SYSTEM SET RESOURCE_MANAGER_PLAN='SIMPLE_PLAN1';
系统已更改。
SQL> --访问该视图查看活动的资源计划
SQL> SELECT * FROM V$RSRC_PLAN;
ID NAME                             IS_TO
---------- -------------------------------- -----
66146 SIMPLE_PLAN1                     TRUE
SQL> --这个时候INITIAL_RSRC_CONSUMER_GROUP显示了初始的组，但实际上并不会被应用，必须赋权才行
SQL> SELECT T.USERNAME,T.INITIAL_RSRC_CONSUMER_GROUP  FROM DBA_USERS T
2  WHERE T.USERNAME IN('MAIL','MGR');
USERNAME                       INITIAL_RSRC_CONSUMER_GROUP
------------------------------ ------------------------------
MGR                            MGRGRP
MAIL                           MAILGRP
SQL> SELECT T.SID,T.SERIAL#,T.USERNAME,T.RESOURCE_CONSUMER_GROUP FROM V$SESSION T
2  WHERE T.USERNAME  IN('MAIL','MGR');
SID    SERIAL# USERNAME                       RESOURCE_CONSUMER_GROUP
---------- ---------- ------------------------------ --------------------------------
133          5 MGR                            OTHER_GROUPS
135         32 MGR                            OTHER_GROUPS
SQL> --5.为指定用户赋于切换到指定组的权限，使该用户可以使用组
SQL> BEGIN
2   DBMS_RESOURCE_MANAGER_PRIVS.GRANT_SWITCH_CONSUMER_GROUP ('mail', 'mailgrp', TRUE);
3   DBMS_RESOURCE_MANAGER_PRIVS.GRANT_SWITCH_CONSUMER_GROUP ('mgr', 'mgrgrp', TRUE);
4  END;
5  /
PL/SQL 过程已成功完成。
SQL> --6.在其它会话中，以MAIL用户登录，由以下输出可知，MAILGRP组已被应用。
SQL> SELECT T.SID,T.SERIAL#,T.USERNAME,T.RESOURCE_CONSUMER_GROUP FROM V$SESSION T
2  WHERE T.USERNAME  IN('MAIL','MGR');
SID    SERIAL# USERNAME                       RESOURCE_CONSUMER_GROUP
---------- ---------- ------------------------------ --------------------------------
133          5 MGR                            OTHER_GROUPS
135         32 MGR                            OTHER_GROUPS
137          3 MAIL                           MAILGRP
SQL> SELECT T.SID,T.SERIAL#,T.USERNAME,T.RESOURCE_CONSUMER_GROUP FROM V$SESSION T
2  WHERE T.USERNAME  IN('MAIL','MGR');
SID    SERIAL# USERNAME                       RESOURCE_CONSUMER_GROUP
---------- ---------- ------------------------------ --------------------------------
133          5 MGR                            OTHER_GROUPS
135         32 MGR                            OTHER_GROUPS
137          3 MAIL                           MAILGRP
140         56 MGR                            MGRGRP