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jonathanlewis.wordpress.com | ||
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iusoltsev.wordpress.com
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| | | | | 465 ?! SELECT A.ID, A.LOGIN, A.NAME, A.LASTNAME, A.EMAIL FROM ACCOUNT A WHERE (A.LOGIN LIKE '%%') AND (A.NAME LIKE '%?%' OR A.LASTNAME LIKE '%?%') AND A.COMPANY_ID = 1 ORDER BY A.LOGIN ?, ? ? A.COMPANY_ID = 1 ? SQL> SELECT 'ALL' as "Condition", count(*) FROM ACCOUNT... | |
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alexzeng.wordpress.com
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| | | | | Outline is the oldest way to fix SQL plan. It based on hints like use_nl etc. It's a road map. It still can be used in 11.2 although oracle said it's deprecated. Finally, it is free. SQL profile is trying to impact CBO by adding cost estimation hints. You need pay extra money to use... | |
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tonyhasler.wordpress.com
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| | | | | Note that there is a follow up to this post here that you should read after this post. Stored outlines were introduced in Oracle 9i as a way of helping stabilise execution plans. In 11gR1 these are deprecated in favour of enterprise-edition-only SQL Baselines (sorry standard edition users )-:) but as of 11gR2 neither facility... | |
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blog.toadworld.com
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| | | Why my execution plan has not been shared - Part I | ||