mysql full index
It's because the term “commercial” used in my query is common (~300,000 documents contain the term) and because MySQL is not good at merging indexes. Basically, MySQL uses the full-text index to lookup for the term “commercial”, and then it does a ki,For large data sets, it is much faster to load your data into a table that has no FULLTEXT index and then create the index after that, than to load data into a table that has an existing FULLTEXT index. Full-text searching is performed using MATCH() ... A
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 mysql full index 相關參考資料
Defining FULLTEXT Indexes for Full-text Searching - MySQL Tutorial
This tutorial shows you various ways to define full-text index for full-text searching in MySQL. http://www.mysqltutorial.org Don't Waste Your Time With MySQL Full-Text Search – Hacker Noon
It's because the term “commercial” used in my query is common (~300,000 documents contain the term) and because MySQL is not good at merging indexes. Basically, MySQL uses the full-text index to ... https://hackernoon.com MySQL 5.5 Reference Manual :: 12.9 Full-Text Search Functions
For large data sets, it is much faster to load your data into a table that has no FULLTEXT index and then create the index after that, than to load data into a table that has an existing FULLTEXT inde... https://dev.mysql.com MySQL 5.6 Reference Manual :: 14.8.2.3 InnoDB FULLTEXT Indexes
InnoDB Full-Text Index Design. InnoDB FULLTEXT indexes have an inverted index design. Inverted indexes store a list of words, and for each word, a list of documents that the word appears in. To suppor... https://dev.mysql.com MySQL 5.7 Reference Manual :: 8.2.1.19 Avoiding Full Table Scans
For large tables, try the following techniques to avoid having the optimizer incorrectly choose a table scan: Use ANALYZE TABLE tbl_name to update the key distributions for the scanned table. See Sect... https://dev.mysql.com MySQL 8.0 Reference Manual :: 12.9 Full-Text Search Functions
search_modifier: IN NATURAL LANGUAGE MODE | IN NATURAL LANGUAGE MODE WITH QUERY EXPANSION | IN BOOLEAN MODE | WITH QUERY EXPANSION }. MySQL has support for full-text indexing and searching: A full-te... https://dev.mysql.com MySQL 8.0 Reference Manual :: 13.1.14 CREATE INDEX Syntax
The full width of each column is indexed. Characteristics of nonspatial indexes (created with INDEX , UNIQUE , or PRIMARY KEY ):. Permitted for any storage engine that supports spatial columns except ... https://dev.mysql.com MySQL :: MySQL 5.5 Reference Manual :: 12.9.5 Full-Text Restrictions
Full-text searches can be used with most multibyte character sets. The exception is that for Unicode, the utf8 character set can be used, but not the ucs2 character set. However, although FULLTEXT ind... https://dev.mysql.com MySQL :: MySQL 5.7 Reference Manual :: 12.9.5 Full-Text Restrictions
Full-text searches can be used with most multibyte character sets. The exception is that for Unicode, the utf8 character set can be used, but not the ucs2 character set. Although FULLTEXT indexes on u... https://dev.mysql.com MySQL :: MySQL 8.0 Reference Manual :: 8.9.4 Index Hints
Each hint requires index names, not column names. To refer to a primary key, use the name PRIMARY . To see the index names for a table, use the SHOW INDEX statement or the INFORMATION_SCHEMA.STATISTIC... https://dev.mysql.com |