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1. ¼ò½à£¬¶óÒªµÄ˵Ã÷ûÓи½¼Ó¡£
2. n¶à¹¦ÄÜ×ۺϵ½Ò»Æð£¬È«²¿·Åµ½Ò»¸ö°üÀ¶ø²»ÊǸù¾Ý¹¦ÄÜÄ£¿é»®·Ö¡£
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e.g:
  PROCEDURE ship_bill_insert(
              p_business_id IN NUMBER ,
              p_site_id IN NUMBER,
              p_use_site_id IN NUMBER DEFAULT NULL,
              p_business_type IN VARCHAR2,
              p_created_by IN NUMBER,
              p_creation_date IN DATE,
              p_last_updated_by IN NUMBER,
              p_last_update_date IN DATE,
              p_last_update_login IN NUMBER,
              p_address IN VARCHAR2 DEFAULT NULL,
              p_enable_flag IN VARCHAR2 ,
              p_primary_flag IN VARCHAR2 DEFAULT NULL,
              p_object_version_number IN NUMBER DEFAULT NUL


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CREATE TRIGGER tig_insert_t1
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