of the section of the data is complete instructing the first task process to carry out the second task on the first part of the section of data on which the first task has already been carried out or carry out the first task on the second part of the data or pipeline the second task to a third task process or carry out the first task on a second part of the section of data application_number US 96813007 A description in fig1 there is shown a relational database management system rdbms a user presentation layer computer uc and a data connection dc the user presentation layer computer uc comprises a computer processing unit up running presentation software and accessible by a user to ask queries or modify data the data connection dc can be any conventional data connector such as an ethernet connection and will depend on the size and complexity of the system and the desired data transfer rate the relational database management system rdbms such as oracle u00ae comprises a relational database db which may be stored on a single hard disc or over a number a processing unit p which may be a single processor or more likely a number of processors such as massively parallel.