If you compress more columns than you should, the 'compressed' index may be larger than the uncompressed index.

如果压缩了过多的列，“压缩”了的索引可能比未压缩的索引更大。

youdao

Indexes that can be compressed are bitmap, btree and index organized tables.

可以压缩的索引有bitmap、btree和索引组织的表。

youdao

An index set with compress YES is compressed when the index is created.

设置了COMPRESS YES的索引在创建时就进行压缩。

youdao

ParStream developed a compressed index which can be run in its compressed state.

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The average yield to maturity from the HE00 index has compressed to 9.49%, from the wide of 11.97% at the end of November.

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