To remove the document, issue a DELETE statement with an appropriate WHERE predicate.

为了删除文档，需要执行delete语句，并加上适当的where谓词。

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The last tasks are to submit a SELECT statement and to delete an item.

最后一个任务是提交select语句并删除一个项。

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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DROPINDEX语句进行取消操作。

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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DROPINDEX语句进行取消操作。

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