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jonathanlewis.wordpress.com | ||
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hourim.wordpress.com
The last Jonathan Lewis post on RAC Planswhich finished by the following phrases: "If you're going to hard-code hints into a query then take a look at the outline it generates when it does the right thing, and that will tell you about the 15 or so hints you've missed out. (Better still, consider generating... |
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iusoltsev.wordpress.com
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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dioncho.wordpress.com
One of my colleagues sent following test case, of which he couldn't control the join order with hints. 1. Create objects - table t1, t2 and t3 2. Now Let's set the join order as T1->T2->T3, using global hints convention. But it seems that Oracle does not work as expected. It really seems that the... |
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www.dbaglobe.com
A blog about on new technologie. Hands-on note about Hadoop, Cloudera, Hortonworks, NoSQL, Cassandra, Neo4j, MongoDB, Oracle, SQL Server, Linux, etc. |
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