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2026-03-12 21:23:47 +01:00
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tpt/exadata/hcc_cu_size.sql Normal file
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-- Copyright 2018 Tanel Poder. All rights reserved. More info at http://tanelpoder.com
-- Licensed under the Apache License, Version 2.0. See LICENSE.txt for terms & conditions.
-- small tables
-- EXEC EXECUTE IMMEDIATE 'drop table t_hcc_query_low'; EXCEPTION WHEN OTHERS THEN NULL;
-- EXEC EXECUTE IMMEDIATE 'drop table t_hcc_query_high'; EXCEPTION WHEN OTHERS THEN NULL;
-- EXEC EXECUTE IMMEDIATE 'drop table t_hcc_archive_low'; EXCEPTION WHEN OTHERS THEN NULL;
-- EXEC EXECUTE IMMEDIATE 'drop table t_hcc_archive_high'; EXCEPTION WHEN OTHERS THEN NULL;
--
-- CREATE TABLE t_hcc_query_low COMPRESS FOR QUERY LOW AS SELECT * FROM dba_source;
-- CREATE TABLE t_hcc_query_high COMPRESS FOR QUERY HIGH AS SELECT * FROM dba_source;
-- CREATE TABLE t_hcc_archive_low COMPRESS FOR ARCHIVE LOW AS SELECT * FROM dba_source;
-- CREATE TABLE t_hcc_archive_high COMPRESS FOR ARCHIVE HIGH AS SELECT * FROM dba_source;
-- large tables
-- EXEC EXECUTE IMMEDIATE 'drop table t_hcc_query_low'; EXCEPTION WHEN OTHERS THEN NULL;
-- EXEC EXECUTE IMMEDIATE 'drop table t_hcc_query_high'; EXCEPTION WHEN OTHERS THEN NULL;
-- EXEC EXECUTE IMMEDIATE 'drop table t_hcc_archive_low'; EXCEPTION WHEN OTHERS THEN NULL;
-- EXEC EXECUTE IMMEDIATE 'drop table t_hcc_archive_high'; EXCEPTION WHEN OTHERS THEN NULL;
--
-- CREATE TABLE t_hcc_query_low COMPRESS FOR QUERY LOW AS SELECT * FROM dba_objects, (SELECT 'x' text FROM dual CONNECT BY LEVEL <=10);
-- CREATE TABLE t_hcc_query_high COMPRESS FOR QUERY HIGH AS SELECT * FROM dba_objects, (SELECT 'x' text FROM dual CONNECT BY LEVEL <=10);
-- CREATE TABLE t_hcc_archive_low COMPRESS FOR ARCHIVE LOW AS SELECT * FROM dba_objects, (SELECT 'x' text FROM dual CONNECT BY LEVEL <=10);
-- CREATE TABLE t_hcc_archive_high COMPRESS FOR ARCHIVE HIGH AS SELECT * FROM dba_objects, (SELECT 'x' text FROM dual CONNECT BY LEVEL <=10);
EXEC exatest.snap
SELECT SUM(LENGTH(text)) query_low FROM t_hcc_query_low;
SELECT * FROM TABLE(exatest.diff('EHCC.*'));
--SELECT * FROM TABLE(exatest.diff('EHCC CUs Decompressed|EHCC.*Length Decompressed'));
SELECT SUM(LENGTH(text)) query_high FROM t_hcc_query_high;
SELECT * FROM TABLE(exatest.diff('EHCC.*'));
--SELECT * FROM TABLE(exatest.diff('EHCC CUs Decompressed|EHCC.*Length Decompressed'));
SELECT SUM(LENGTH(text)) archive_low FROM t_hcc_archive_low;
SELECT * FROM TABLE(exatest.diff('EHCC.*'));
--SELECT * FROM TABLE(exatest.diff('EHCC CUs Decompressed|EHCC.*Length Decompressed'));
SELECT SUM(LENGTH(text)) archive_high FROM t_hcc_archive_high;
SELECT * FROM TABLE(exatest.diff('EHCC.*'));
--SELECT * FROM TABLE(exatest.diff('EHCC CUs Decompressed|EHCC.*Length Decompressed'));