Answer Posted / mathivanan

1.Create indexes
2.keep up to date statistics on tablese
3.Analyse execution plans using trace utilities
4.Make use of Bulk collect,For all,returning bulk collect into.
5.Use hints when necessary
6.Minimize datatype conversions
7.use PLS_INTEGER or BINARY_INTEGER for integer Arithmetic,use BINARY_FLOAT and BINARY_DOUBLE for floating-point arithmetic
8.pin frequently used packages in shared pool memory

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