Specify the index statement when Oracle queries or deletes the query.

Source: Internet
Author: User
Specify the index statement when Oracle queries or deletes the query.

You can specify the index statement when querying.

Select/* + index (tb_alias ix_g_cost3 )*/
Tb_alias .*
From g_cost tb_alias
Where item_two = 0
And flight_date> = to_date ('20140901', 'yyyymmdd ')
And flight_date <= to_date ('20140901', 'yyyymmdd ');

You can also specify the index statement when deleting an index.

Delete/* + index (tb_alias ix_g_cost1 )*/
From g_cost tb_alias
Where item_name = 'hourly Bill ';

Ix_g_cost1 and ix_g_cost3 are indexes of the g_cost table.

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