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Sqlite3: passing values as query parameters

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Published: 22 Oct 2026 16:11 · Updated: 22 Oct 2026 16:11

AI source check: 22 Oct 2026 14:04. This is not editorial approval.

In a few sentences

In brief

With sqlite3, parameters separate SQL text from input values. For example, execute('SELECT name FROM items WHERE id = ?', (item_id,)) supplies the identifier separately.

Useful to know

With sqlite3, parameters separate SQL text from input values. For example, execute('SELECT name FROM items WHERE id = ?', (item_id,)) supplies the identifier separately. [1]

Do not interpolate that value into the query string. A parameter does not replace arbitrary table or column names; dynamic identifiers need an explicit allowlist. After querying, handle the case where no record is returned.

Sources

For further detail and to check the information:

  1. [1] sqlite3 — DB-API 2.0 interface for SQLite databases — Python 3.12.15 documentation ↗