HSQL表更改仅在第二次运行后才可见

I have a program with an HSQL database. However if I run the program it should create some Orders and stuff. But when the programm is corectly shut down it wont save the dates in to "DB.script" i have to runn it a second time that i can see the changes in "DB.script". Does somebody know the solution to this problem? I have a program with an HSQL database. However