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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
BEFORE INSERT ON "YINZQ"."T1"
begin
if (:new.id is null) then
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