Can any one please provide me practical example of How to
do the performance tuning in Query??
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Answer Posted / karthik
Take a look at the query which is been tuned and check
whether the columns used in the join conditions of multiple
tables are a part of primary index for the corresponding
tables.In addition to this makes sure that the tables used
in the query is collected with stats.Meanwhile as far as
possible make use of subqueries rather than the whole
table(can be used if the table is big).
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