MSSQL 批量Update

UPDATE dbo.WX_TWODIMENCODE_INFO SET 
    wti_scan_views=t.count FROM (
    SELECT COUNT(*) AS 'count',lci_erector_scene_id FROM LOTTERY_CODE_INFO
       WHERE lci_type=40 AND lci_erector_code_scantime IS NOT NULL
       GROUP BY lci_erector_scene_id
    ) AS t
    WHERE wti_scene_id=t.lci_erector_scene_id