star vs snowflake schema

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Storage ExtrasData Systems

More terms from this board

• concatenated indexseveral fields glued into one key (prefix queries only)
• data cubeprecomputed aggregate grid
• edit distance# of edits between two strings (fuzzy match)
• fact/dimension tableevent row / its descriptors
• full-text indexsearch by words
• Lucenethe search library behind Elasticsearch/Solr
• materialized viewcached-on-disk query result
• multi-dimensional indexquery several ranges at once (R-tree)
• projectiona copy of column data in a specific sort order
• R-treegeospatial index structure