Sequel

BigQuery SQL Formatter

Free online BigQuery SQL formatter. Beautify Google BigQuery SQL with support for nested/repeated fields, ARRAY, STRUCT, UNNEST, and BigQuery-specific analytic functions.

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Bigquery
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What is Google BigQuery?

Google BigQuery is a fully managed, serverless cloud data warehouse designed for large-scale analytics. It processes petabytes of data using Google's distributed computing infrastructure, and you are charged per query based on bytes scanned rather than paying for always-on servers.

BigQuery uses a dialect of standard SQL (ANSI:2011) with extensions for nested and repeated fields, ARRAYs, STRUCTs, and built-in machine learning (BigQuery ML). It integrates natively with the Google Cloud ecosystem — including Looker, Dataflow, Pub/Sub, and Google Sheets.

When formatting BigQuery SQL, the BigQuery dialect correctly handles three-part table references (project.dataset.table), UNNEST() expressions, ARRAY_AGG, and BigQuery scripting statements — keeping complex analytical queries readable.

Frequently asked questions

Does the BigQuery formatter handle nested and repeated fields?

Yes. BigQuery's ARRAY and STRUCT types, UNNEST() for flattening arrays, and CROSS JOIN UNNEST patterns are formatted with appropriate indentation to make nested query logic clear.

Will project.dataset.table notation be preserved?

Yes. BigQuery's three-part table identifiers (project.dataset.table) are preserved exactly as written. Backtick-quoted identifiers (required for reserved words or special characters) are also preserved.

Does it support BigQuery analytic functions like ARRAY_AGG?

Yes. BigQuery-specific aggregate functions (ARRAY_AGG, STRING_AGG, APPROX_COUNT_DISTINCT, etc.) are treated as standard SQL functions and formatted with correct argument spacing.

How does it handle BigQuery scripting (DECLARE, SET, IF)?

BigQuery scripting statements — DECLARE, SET, IF/ELSEIF/END IF, LOOP, BEGIN/EXCEPTION/END — are formatted with proper block indentation, matching BigQuery's procedural SQL structure.

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