How long does a SQLite query take?

Question

Query one takes about 30ms, but 150ms to fetch the data from the database. Query two takes about 3ms -this is the one I therefore prefer-, but also takes 170ms to fetch the data. 17 апр. 2010 г.

How fast are SQLite queries?

SQLite 2.7. 6 is often faster (sometimes more than twice as fast) than MySQL 3.23. 41 for most common operations. SQLite does not execute CREATE INDEX or DROP TABLE as fast as the other databases.

How long should an SQL query take?

The query takes 20 to 500 ms (or sometimes more) depending on the system and the amount of data. The performance of the database or the database server has a significant influence on the speed.

How can I make SQLite query faster?

SQLite performance tuning1Create indices, but with caution.2Use the query planner to analyze your queries.3Optimize queries that involve IS NOT.4Improve write speed with the Write-Ahead-Log.5Measure everything.6Tune the cache size.7Use REPLACE INTO to create or update a row.SQLite performance tuning | AugmentedMind.de

Is SQLite slow?

The SQLite docs explains why this is so slow: Transaction speed is limited by disk drive speed because (by default) SQLite actually waits until the data really is safely stored on the disk surface before the transaction is complete. That way, if you suddenly lose power or if your OS crashes, your data is still safe.

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