式インデックス
1. Expression indexAn expression index is a database index that is built on a generic expression, rather than on a list of columns. This allows indexes to be defined for common query conditions that depend on data in a table, but are not actually stored in that table. A common use for an expression index is to support case-insensitive searching or constraints.
Read “Expression index” on English Wikipedia
Read “式インデックス” on Japanese Wikipedia
Read “Expression index” on DBpedia
Read “Expression index” on English Wikipedia
Read “式インデックス” on Japanese Wikipedia
Read “Expression index” on DBpedia
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