Expired75% confidenceFactExact time
FTS5 is SQLite's fifth-generation full-text search extension module, supporting relevance ranking based on the BM25 algorithm, prefix queries, phrase matching, and other features.
5
Sources
75%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
Valid until: 9/30/2026(expired)
Sources
Related Claims
VerifiedSQLite FTS5 is a full-text search extension module built into SQLite that requires no additional dependencies and uses an inverted index at its core.80% similarUnverifiedFTS5 (Full-Text Search version 5) is a full-text search extension built into SQLite starting from version 3.9.0 (2015).78% similarUnverifiedFTS5 is based on the inverted index principle, recording the documents and positions where each term appears using terms as keys, which is the same underlying principle as search engines.72% similarUnverifiedFTS5 默认使用 BM25 排序算法，综合考虑词频、逆文档频率和文档长度归一化70% similarUnverifiedFor personal projects and small-to-medium-scale data management, SQLite FTS5 is more suitable than large-scale search infrastructure such as Elasticsearch or vector databases.70% similar
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