Hi, since I have serious problems with some of the features of the JDBC driver I am searching for a different way to store the following structure efficiently in the PostgreSQL database. How can I store an array of double numbers and retrieve it without creating a row for each entry? I read something about arrays in PostgreSQL and I wonder if this feature can be used to retrieve the whole array at once instead of retrieving the entries sequentially? -- Best Regards, Steffen Zimmert Steffen Zimmert Fraunhofer Center for Research in Computer Graphics Providence, Rhode Island, USA email: [EMAIL PROTECTED]