0
votes
1answer
140 views

PostgreSQL FTS and Trigram-similarity Query Optimization

I have recently started working on PostgreSQL and I have around 12M rows to handle in which I want to apply Full Text Search. I don't have any prior experience in handling such databases. I have tried ...
1
vote
2answers
1k views

MYSQL matching one column to another in a different table via a FULLTEXT index

I current have two different tables. The first table has a list of titles and IDs associated to these titles, the second table is a list of random heading. What I would like to know is if there is a ...
4
votes
1answer
867 views

Alternatives to LIKE and FTS for mid name search

I have a question about what are the alternatives for LIKE '%%' and Full-Text Search when it comes to searching organisation names, firstnames, surnames, etc. The LIKE '%%' causes table scan, however ...
9
votes
3answers
1k views

How is LIKE implemented?

Can anyone explain how the LIKE operator is implemented in current database systems (e.g. MySQL or Postgres)? or point me to some references that explain it? The naive approach would be to inspect ...