	alter table JBPM4_COMMENT drop constraint FKFD23139F86A745AD;
    alter table JBPM4_DEPLOYPROP drop constraint FK_DEPLPROP_DEPL;
    alter table JBPM4_EXECUTION drop constraint FK_EXEC_PARENT;
    alter table JBPM4_EXECUTION drop constraint FK_EXEC_SUBPI;
    alter table JBPM4_EXECUTION drop constraint FK_EXEC_INSTANCE;
    alter table JBPM4_EXECUTION drop constraint FK_EXEC_SUPEREXEC;
    alter table JBPM4_HIST_ACTINST drop constraint FK_HAI_HPI;
    alter table JBPM4_ID_GROUP drop constraint FK_GROUP_PARENT;
    alter table JBPM4_ID_MEMBERSHIP drop constraint FK_MEM_GROUP;
    alter table JBPM4_ID_MEMBERSHIP drop constraint FK_MEM_USER;
    alter table JBPM4_JOB drop constraint FK_JOB_CFG;
    alter table JBPM4_LOB drop constraint FK_LOB_DEPLOYMENT;
    alter table JBPM4_PARTICIPATION drop constraint FK_PART_SWIMLANE;
    alter table JBPM4_PARTICIPATION drop constraint FK_PART_TASK;
    alter table JBPM4_SWIMLANE drop constraint FK_SWIMLANE_EXEC;
    alter table JBPM4_TASK drop constraint FK_TASK_SWIML;
    alter table JBPM4_TASK drop constraint FK_TASK_SUPERTASK;
    alter table JBPM4_VARIABLE drop constraint FK_VAR_PROCINST;
    alter table JBPM4_VARIABLE drop constraint FK_VAR_LOB;
    alter table JBPM4_VARIABLE drop constraint FK_VAR_EXECUTION;
    alter table JBPM4_VARIABLE drop constraint FK_VAR_EXESYS;
    alter table JBPM4_VARIABLE drop constraint FK_VAR_TASK;

    drop table JBPM4_COMMENT
    drop table JBPM4_DEPLOYMENT
    drop table JBPM4_DEPLOYPROP
    drop table JBPM4_EXECUTION
    drop table JBPM4_HIST_ACTINST
    drop table JBPM4_HIST_PROCINST
    drop table JBPM4_ID_GROUP
    drop table JBPM4_ID_MEMBERSHIP
    drop table JBPM4_ID_USER
    drop table JBPM4_JOB
    drop table JBPM4_LOB
    drop table JBPM4_PARTICIPATION
    drop table JBPM4_SWIMLANE
    drop table JBPM4_TASK
    drop table JBPM4_VARIABLE