what is purge command explain about oracle performance tuning

2 Answers   Accenture, eCentric Solutions,

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What does the argument [or replace] do?

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I have 2 table A and B. In A 1 lakh record is present. In b 20 thousand data is present. To get the unique data from table A and B which join we should prefer left inner join or right outer join. Please answer.

4 Answers   GE,

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Are ddl triggers fired for ddl statements within a pl/sql code executed using the dbms.sql package?

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What is a sql statement?

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Why do we need cursors in pl sql?

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Explain autonomous transaction.

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what is 'trigger' in sql? : Sql dba

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What is difference between cursor and trigger?

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how to load data files into tables with 'mysqlimport'? : Sql dba

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How do I pipe the output of one isql to another?

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What packages are available to pl/sql developers?

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