sparse index

常見例句

雙語例句

• Currently a sparse index can have only one field.
  目前，Sparse索引只能有一個字段。
• Covering indexes allow data storage within the index itself while sparse indexes exclude documents that do not contain the missing field.
  ?Covered索引允許?在索引本身里存儲數(shù)據(jù)，而 ?Sparse索引則會排除掉不包含索引字段的文檔。
返回 sparse index