Procedure puts a lot of rows

Hi, I have a problem with the two procedures. I have these tables:
CREATE TABLE "WYPOZYCZENIA"
(     "ID" NUMBER(*,0) NOT NULL ENABLE,
     "TERMIN_ZWROTU" DATE,
     "KARA" NUMBER NOT NULL ENABLE,
     "NEW_TERMIN_ZWROTU" DATE,
     "DATA_WYPOZYCZENIA" DATE NOT NULL ENABLE,
     "PRA_ID" NUMBER(*,0) NOT NULL ENABLE,
     "KSI_ID" NUMBER(*,0) NOT NULL ENABLE,
     "CZY_ID" NUMBER(*,0) NOT NULL ENABLE,
     CONSTRAINT "WYP_PK" PRIMARY KEY ("ID") ENABLE
and
CREATE TABLE "EGZEMPLARZE"
(     "ID" NUMBER(*,0) NOT NULL ENABLE,
     "SYGNATURA" VARCHAR2(5) NOT NULL ENABLE,
     "ST_ID" NUMBER(*,0) NOT NULL ENABLE,
     "KSI_ID" NUMBER(*,0) NOT NULL ENABLE,
     CONSTRAINT "EGZ_PK" PRIMARY KEY ("ID") ENABLE,
     CONSTRAINT "EGZEMPLARZE_CON" UNIQUE ("SYGNATURA") ENABLE
ALTER TABLE "EGZEMPLARZE" ADD CONSTRAINT "EGZ_KSI_FK" FOREIGN KEY ("KSI_ID")
     REFERENCES "KSIAZKI" ("ID") ENABLE
ALTER TABLE "EGZEMPLARZE" ADD CONSTRAINT "EGZ_ST_FK" FOREIGN KEY ("ST_ID")
     REFERENCES "STATUSY" ("ID") ENABLE
and my procedures and my procedure that should insert a row into a table "WYPOZYCZENIAi" and update on the table "EGZEMPLARZE". But the process instead of inserting a single row inserts 4th You know why?
Edited by: user8918431 on 2011-03-26 18:05

By my inadvertently went the wrong way. Well, the table "WYPOZYCZENIA" and the table copies are connected by a table "KSIAZKI". And in this case is a query I think it should be correct and draw a line. This is code tabel "KSIAZKI":
CREATE TABLE "KSIAZKI"
(     "TEMATYKA" VARCHAR2(50),
     "TYTUL" VARCHAR2(50) NOT NULL ENABLE,
     "OPIS" VARCHAR2(250),
     "ISBN" NUMBER(*,0) NOT NULL ENABLE,
     "ID" NUMBER(*,0) NOT NULL ENABLE,
     "WYDA_ID" NUMBER(*,0) NOT NULL ENABLE,
     CONSTRAINT "KSI_PK" PRIMARY KEY ("ID") ENABLE
I apologize for my carelessness

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