You can delete an existing index in a table with the DROP index statement.

你可以将现有的索引通过DROP INDEX语句进行取消操作。

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The script will prompt you to either drop an existing index or create a new one.

这个脚本将会提示您要么删除现存的索引要么创建一个新的索引。

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Indicate that you want to drop an existing multiline text index.

这表明您想要删除一个现存的多行文本索引。

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Sivak said that the 14 percent drop in his index swamps the four percent increase in drivers over the period.

FORBES: Cars Now Getting Better Climate Grades

After seeing the Baltic Dry Index drop steadily since the end of October 2010, a survey by Bloomberg showed that with approximately 200 capesizes, or cargo ships spanning more than 1, 000 feet, coming out of the shipyards this year, a surplus in vessels will lead to a glut that will produce additional pain to shipping companies.

FORBES: Shipping To Suffer Despite Record Trade In Iron Ore And Coal, With 35 Miles Of Ships Coming Out Of Shipyards In 2011

The mother of all tech markets, the Nasdaq, registered a 39.28% drop of its composite index this year.

BBC: Stock markets see red over 2000