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Last few weeks i have been working with a project ,where we decided to use Ibatis for generating complex report. Ibatis is a very small smart ORM tools to execute complex query but, in version 3, developers made a vast change and it's difficult to migrate from version 2 to version 3. In this post i am going to describe how to call pl/sql package function from within Ibatis3. First of all we will create two small tables and a pl/sql package for demonstration: -- Create table create table ADDRESSES ( ADR_ID INTEGER not null, ADR_CITY VARCHAR2(15), ADR_COUNTRY VARCHAR2(15) not null ); alter table ADDRESSES add primary key (ADR_ID); create table PERSONS ( PRS_ID INTEGER not null, PRS_FATHER_ID INTEGER, PRS_MOTHER_ID INTEGER, PRS_ADR_ID INTEGER, PRS_FIRST_NAME VARCHAR2(15), PRS_SURNAME VARCHAR2(15) ); / alter table PERSONS add constraint PRS_ADR_FK foreign key (PRS_ADR_ID) references ADDRESSES (ADR_ID); alter table PERSONS add constraint PRS_PRS_FATHER_FK fo