--- slug: /en/sql-reference/table-functions/fuzzQuery sidebar_position: 75 sidebar_label: fuzzQuery --- # fuzzQuery Perturbs the given query string with random variations. ``` sql fuzzQuery(query[, random_seed]) ``` **Arguments** - `query` (String) - The source query to perform the fuzzing on. - `random_seed` (UInt64) - A random seed for producing stable results. **Returned Value** A table object with a single column containing perturbed query strings. ## Usage Example ``` sql SELECT * FROM fuzzQuery('SELECT materialize(\'a\' AS key) GROUP BY key') LIMIT 2; ``` ``` ┌─query──────────────────────────────────────────────────────────┐ 1. │ SELECT 'a' AS key GROUP BY key │ 2. │ EXPLAIN PIPELINE compact = true SELECT 'a' AS key GROUP BY key │ └────────────────────────────────────────────────────────────────┘ ```