| UNLOAD TABLE statement : new features | New SQL features |
| unloading databases : new features | Miscellaneous administration enhancements |
| unsigned data types : new features | New SQL features |
| UP protocol : behavior changes | Platform and protocol support |
| UPDATE statement : Java | New Java features |
| upgrades : compatibility library | Using the compatibility library |
| upgrades : databases | When to upgrade your database Upgrading databases |
| upgrades : dbclient | Capturing dbclient command-line information |
| upgrades : overview | Understanding upgrades |
| upgrades : SQL Remote | Upgrading SQL Remote installations |
| upgrades : standalone applications | Upgrading Embedded SQL applications |
| upgrading : components | The components in your system |
| upgrading : precautions | Standard upgrade precautions |
| user interface : database server | No server user interface |
| utility database : new features | Database file manipulation statements |