The two versions differ in internal details like the indexing system, optimizer, and storage engine.

这两个版本在内部细节上不同，如索引系统、优化器和存储引擎。

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Index Types Depends on the storage engine.

索引类型取决于存储引擎。

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Table Types Depends on the storage engine.

表类型取决于存储引擎。

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Enthusiasts who started to reopen the line from 1955 put the engine into storage.

BBC: The Princess in 1871

Amazon S3 and Simple DB and Google App Engine all charge based on storage, bandwidth, and CPU time.

FORBES: Cloud Computing's Hidden 'Green' Benefits

He said he believed his liquid air engine would prevail against other storage technologies because it did not rely on potentially scarce materials for batteries.

BBC: Liquid air 'offers energy storage hope'