Why it matters

Analytics via LLM common. BigQuery integration standard.

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The architecture

Query tool: agent writes SQL; execute; return results.

BigQuery + agentsAgent generates SQLfor questionBigQuery executeswith costReturn resultsto agentText-to-SQL agents are common pattern; enforce cost + schema guardrails
BigQuery agent tool.
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How it works end to end

Cost tracking: dry-run before execution; kill runaway queries.

Schema exposure: only expose relevant tables.

Result size limits: prevent huge results.

Validation: SQL injection prevention.