CREATE TABLE external_user_logs (
user_id VARCHAR2(50),
action_time TIMESTAMP,
page_url VARCHAR2(200),
device_type VARCHAR2(50)
)
ORGANIZATION EXTERNAL (
TYPE ORACLE_ICEBERG
DEFAULT DIRECTORY cloud_data_dir
LOCATION ('user_logs')
)
REJECT LIMIT UNLIMITED;
-- 统计不同设备的访问趋势,并利用AI预测下周流量 SELECT device_type, COUNT(*) as visits, DBMS_AI_PREDICT(COUNT(*), 'model' => 'linear_regression') as predicted_visits FROM external_user_logs WHERE action_time > SYSDATE - 7 GROUP BY device_type;
Autonomous AI Lakehouse让Oracle成为数据湖的统一分析引擎,无需ETL搬运数据,即可对海量湖中数据进行高性能AI分析。
来自 “ ITPUB博客 ” ,链接:https://blog.itpub.net/31547506/viewspace-3116898/ ,如需转载,请注明出处,否则将追究法律责任。