Snowflake 管理、治理与协作
Emily Melhuish
Technical Curriculum Developer, Snowflake
ACCOUNT_USAGE 可回答以上问题


| 功能 | ACCOUNT_USAGE | INFORMATION_SCHEMA |
|---|---|---|
| 范围 | 整个账户的历史,所有数据库 | 您的数据库当前状态 |
| 数据延迟 | 最长 3 小时 | 低延迟 |
| 保留期 | 最长 365 天 | 最长 6 个月(因视图而异) |
| 已删除对象 | 包含 | 不包含 |
| 主要用例 | 历史审计与成本分析 | 当前状态与元数据 |
SELECT warehouse_name,
SUM(credits_used) AS total_credits
FROM SNOWFLAKE.ACCOUNT_USAGE.WAREHOUSE_METERING_HISTORY
WHERE start_time >= DATEADD('day', -30, CURRENT_TIMESTAMP())
GROUP BY warehouse_name
ORDER BY total_credits DESC;
SELECT query_text,
warehouse_name,
execution_time,
bytes_scanned
FROM SNOWFLAKE.ACCOUNT_USAGE.QUERY_HISTORY
WHERE start_time >= DATEADD('day', -7, CURRENT_TIMESTAMP())
ORDER BY execution_time DESC
LIMIT 10;
SELECT usage_date,
ROUND(storage_bytes / POWER(1024, 3), 2) AS storage_gb,
ROUND(failsafe_bytes / POWER(1024, 3), 2) AS failsafe_gb
FROM SNOWFLAKE.ACCOUNT_USAGE.STORAGE_USAGE
ORDER BY usage_date DESC
LIMIT 30;
SELECT user_name,
event_timestamp,
reported_client_type,
error_code,
error_message
FROM SNOWFLAKE.ACCOUNT_USAGE.LOGIN_HISTORY
WHERE error_code IS NOT NULL
AND event_timestamp >= DATEADD('day', -7, CURRENT_TIMESTAMP())
ORDER BY event_timestamp DESC;
Snowflake 管理、治理与协作