* data live in the old mysql database (molgenis14 ) so you need to run the steps of the migration script : https://www.dropbox.com/home/BBmri%20App/migration_issue?select=migration-script.rtf) * CREATE TABLE !`BiobankSubCategory` (   !`id` int(11) NOT NULL,   PRIMARY KEY (!`id`),   CONSTRAINT !`biobanksubcategory_ibfk_1` FOREIGN KEY (!`id`) REFERENCES !`OntologyTerm` (!`id`) ON DELETE CASCADE ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci; INSERT INTO !BiobankSubCategory (id) SELECT id FROM !BiobankCategory WHERE id  NOT IN ("281", "284", "285") ; CREATE TABLE !BiobankPersonRole ( id INTEGER NOT NULL , PRIMARY KEY(id) ); alter table !OntologyTerm modify   column !__Type enum('!OntologyTerm','!PersonRole','Species','!AlternateId','!BiobankCategory','!BiobankTopic','!BiobankDataType', '!BiobankSubCategory','!BiobankPersonRole'); ALTER TABLE Biobank DROP FOREIGN KEY biobank_ibfk_5;  ALTER TABLE !BiobankSubCategory ADD FOREIGN KEY (id) REFERENCES !OntologyTerm (id) ON DELETE CASCADE;  ALTER TABLE `!BiobankSubCategory`   ADD CONSTRAINT !`biobank_ibfk_5`      FOREIGN KEY (!`id`) REFERENCES !OntologyTerm (id) ON DELETE CASCADE; AUTO UPARXEI HDH APO THN DHMIOURGIA TOU) ALTER TABLE Biobank ADD FOREIGN KEY (!SubCategory) REFERENCES !BiobankSubCategory (id) ON DELETE RESTRICT;  ALTER TABLE `Biobank`   ADD CONSTRAINT !`biobank_ibfk_885`      FOREIGN KEY (`!SubCategory`) REFERENCES !BiobankSubCategory (id)  ON DELETE CASCADE; DELETE FROM !BiobankCategory WHERE id  NOT IN ("281", "284", "285") ;    ALTER TABLE !BiobankPersonRole ADD FOREIGN KEY (id) REFERENCES !PersonRole (id) ON DELETE CASCADE; ALTER TABLE `!BiobankPersonRole`   ADD CONSTRAINT `!BiobankPersonRole_ibfk_33`      FOREIGN KEY (`id`) REFERENCES !PersonRole (id)  ON DELETE CASCADE; UPDATE !OntologyTerm  SET !__Type="!BiobankSubCategory" WHERE id='282'; UPDATE !OntologyTerm  SET !__Type="!BiobankSubCategory" WHERE id='283'; UPDATE !OntologyTerm  SET !__Type="!BiobankSubCategory" WHERE id='286'; UPDATE !OntologyTerm  SET !__Type="!BiobankSubCategory" WHERE id='287'; UPDATE !OntologyTerm  SET !__Type="!BiobankSubCategory" WHERE id='288'; UPDATE !OntologyTerm  SET !__Type="!BiobankSubCategory" WHERE id='289'; UPDATE !OntologyTerm  SET !__Type="!BiobankSubCategory" WHERE id='290'; UPDATE !OntologyTerm  SET !__Type="!BiobankSubCategory" WHERE id='291'; UPDATE !OntologyTerm  SET !__Type="!BiobankSubCategory" WHERE id='292'; UPDATE !OntologyTerm  SET !__Type="!BiobankSubCategory" WHERE id='293'; UPDATE !OntologyTerm  SET !__Type="!BiobankSubCategory" WHERE id='295'; UPDATE !OntologyTerm  SET !__Type="!BiobankSubCategory" WHERE id='296'; UPDATE !OntologyTerm  SET !__Type="!BiobankSubCategory" WHERE id='297'; UPDATE !OntologyTerm  SET !__Type="!BiobankSubCategory" WHERE id='298'; UPDATE !OntologyTerm  SET !__Type="!BiobankSubCategory" WHERE id='564'; UPDATE !OntologyTerm  SET !__Type="!BiobankSubCategory" WHERE id='299'; UPDATE !OntologyTerm  SET !__Type="!BiobankSubCategory" WHERE id='294'; select * from !OntologyTerm where name="Software Engineer"; delete from !OntologyTerm where id=561; select * from !BiobankPersonRole; insert into !BiobankPersonRole values(561); select * from !OntologyTerm where name="coordinator"; delete from !OntologyTerm where id=593; select * from !BiobankPersonRole; insert into !BiobankPersonRole values(277); select * from !OntologyTerm where name="postdoc"; delete from !OntologyTerm where id=594;  select * from !BiobankPersonRole; insert into !BiobankPersonRole values(278); select * from !OntologyTerm where name="administrator"; delete from !OntologyTerm where id=595; select * from !BiobankPersonRole; insert into !BiobankPersonRole values(279); select * from !OntologyTerm where name="IT responsible"; delete from !OntologyTerm where id=596; select * from !BiobankPersonRole; insert into !BiobankPersonRole values(280);   COMMIT; ====================================================================================== !SubCategory biobank_ibfk_1   CONSTRAINT !`biobank_ibfk_5` FOREIGN KEY (!`SubCategory`) REFERENCES !`BiobankSubCategory` (!`id`)   CONSTRAINT !`biobank_ibfk_5` FOREIGN KEY (!`SubCategory`) REFERENCES !`BiobankSubCategory` (!`id`), =============================WITH COMMENTS =========================================== CREATE TABLE !`BiobankSubCategory` (   !`id` int(11) NOT NULL,   PRIMARY KEY (!`id`),   CONSTRAINT !`biobanksubcategory_ibfk_1` FOREIGN KEY (!`id`) REFERENCES !`OntologyTerm` (!`id`) ON DELETE CASCADE ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci; /* move data from !BiobankCategory to !BiobankSubCategory table */ INSERT INTO !BiobankSubCategory (id) SELECT id FROM !BiobankCategory WHERE id  NOT IN ("281", "284", "285") ; /*WHERE name NOT IN ("A. Core Biobanks, DNA available", "B: Supporting biobanks, DNA not yet available" ,"C: Biobanken in opbouw") ;* - IF NEEDED CORRECT THE IDs/ /* alter constraints */ ALTER TABLE Biobank DROP FOREIGN KEY biobank_ibfk_5;  ALTER TABLE !BiobankSubCategory ADD FOREIGN KEY (id) REFERENCES !OntologyTerm (id) ON DELETE CASCADE;  NOT OK : ERROR 1050 (42S01): Table './bbmri/!BiobankSubCategory' already exists THEN USE :   ALTER TABLE `!BiobankSubCategory`   ADD CONSTRAINT !`id`      FOREIGN KEY (!`id`) REFERENCES !OntologyTerm (id) ON DELETE CASCADE; ALTER TABLE Biobank ADD FOREIGN KEY (!SubCategory) REFERENCES !BiobankSubCategory (id) ON DELETE RESTRICT;  NOT OK : ERROR 1050 (42S01): Table './bbmri/Biobank' already exists THEN USE :  ALTER TABLE `Biobank`   ADD CONSTRAINT `!SubCategory`      FOREIGN KEY (`!SubCategory`) REFERENCES !BiobankSubCategory (id)  ON DELETE CASCADE; /* delete moved data from !BiobankCategory */ DELETE FROM !BiobankCategory WHERE id  NOT IN ("281", "284", "285") ;    /*IF NEEDED CORRECT THE IDs WHERE name IN ("A. Core Biobanks, DNA available", "B: Supporting biobanks, DNA not yet available" ,"C: Biobanken in opbouw") ; */ CREATE TABLE !BiobankPersonRole ( id INTEGER NOT NULL , PRIMARY KEY(id) ); ALTER TABLE !BiobankPersonRole ADD FOREIGN KEY (id) REFERENCES !PersonRole (id) ON DELETE CASCADE; alter table !OntologyTerm modify   column !__Type enum('!OntologyTerm','!PersonRole','Species','!AlternateId','!BiobankCategory','!BiobankTopic','!BiobankDataType', '!BiobankSubCategory','!BiobankPersonRole'); UPDATE !OntologyTerm  SET !__Type="!BiobankSubCategory" WHERE id='282'; UPDATE !OntologyTerm  SET !__Type="!BiobankSubCategory" WHERE id='283'; UPDATE !OntologyTerm  SET !__Type="!BiobankSubCategory" WHERE id='286'; UPDATE !OntologyTerm  SET !__Type="!BiobankSubCategory" WHERE id='287'; UPDATE !OntologyTerm  SET !__Type="!BiobankSubCategory" WHERE id='288'; UPDATE !OntologyTerm  SET !__Type="!BiobankSubCategory" WHERE id='289'; UPDATE !OntologyTerm  SET !__Type="!BiobankSubCategory" WHERE id='290'; UPDATE !OntologyTerm  SET !__Type="!BiobankSubCategory" WHERE id='291'; UPDATE !OntologyTerm  SET !__Type="!BiobankSubCategory" WHERE id='292'; UPDATE !OntologyTerm  SET !__Type="!BiobankSubCategory" WHERE id='293'; UPDATE !OntologyTerm  SET !__Type="!BiobankSubCategory" WHERE id='295'; UPDATE !OntologyTerm  SET !__Type="!BiobankSubCategory" WHERE id='296'; UPDATE !OntologyTerm  SET !__Type="!BiobankSubCategory" WHERE id='297'; UPDATE !OntologyTerm  SET !__Type="!BiobankSubCategory" WHERE id='298'; UPDATE !OntologyTerm  SET !__Type="!BiobankSubCategory" WHERE id='564'; /*below we resolve the problem of duplicate entries in ontology term for !PersonRole*/ select * from !OntologyTerm where name="Software Engineer"; delete from !OntologyTerm where id=561; select * from !BiobankPersonRole; insert into !BiobankPersonRole values(561); select * from !OntologyTerm where name="coordinator"; delete from !OntologyTerm where id=593; select * from !BiobankPersonRole; insert into !BiobankPersonRole values(277); select * from !OntologyTerm where name="postdoc"; delete from !OntologyTerm where id=594;  select * from !BiobankPersonRole; insert into !BiobankPersonRole values(278); select * from !OntologyTerm where name="administrator"; delete from !OntologyTerm where id=595; select * from !BiobankPersonRole; insert into !BiobankPersonRole values(279); select * from !OntologyTerm where name="IT responsible"; delete from !OntologyTerm where id=596; select * from !BiobankPersonRole; insert into !BiobankPersonRole values(280);   COMMIT;