28 lines
744 B
MySQL
28 lines
744 B
MySQL
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-- Copyright 2018 Tanel Poder. All rights reserved. More info at http://tanelpoder.com
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-- Licensed under the Apache License, Version 2.0. See LICENSE.txt for terms & conditions.
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drop table t1;
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drop table t2;
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create table t1 as select * from dba_users;
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create table t2 as select * from dba_objects;
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select /*+ ordered use_nl(t2) gather_plan_statistics */
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t1.user_id, t1.username, sum(length(t2.object_name))
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from t1, t2
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where t1.username = t2.owner
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and t1.username = 'SYSTEM'
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group by t1.user_id, t1.username
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/
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@x
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select /*+ ordered use_nl(t2) gather_plan_statistics */
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t1.user_id, t1.username, sum(length(t2.object_name))
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from t1, t2
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where t1.username = t2.owner
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and t1.username like 'SYS%'
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group by t1.user_id, t1.username
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/
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@x
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