31. This is then stored in a central database that monitors the non-recycled waste output of each household. 32. Consumers can submit the code electronically for validation against a central database , thus establishing proof of purchase. 33. Data was stored in a central database and the system offered an advanced multimedia environment with statistics. 34. The system provides a central database to track movement of animals within the EU and from third countries. 35. This mechanism provides distributed and fault tolerant service and was designed to avoid a single large central database . 36. A pharmacist may issue a prescription, and all purchases are logged to a central database to prevent overprescribing. 37. There's no central database of users. 38. This seemed more appropriate and more practical than starting a single central database for biological information from scratch, 39. The software makes a list of files to be shared and uploads the list to a central database . 40. I have been told on the general help desk that there is no central database for such information.