vi
Oracle TimesTen In-Memory Database Installation Guide
3 Data Store Upgrades
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Data store compatibility . . . . . . . . . . . . . . . . . . . . 87
Data type compatibility . . . . . . . . . . . . . . . . . . . . 87
Data store character set . . . . . . . . . . . . . . . . . . . . 88
Data type conversion . . . . . . . . . . . . . . . . . . . . . . . 89
Converting data types to Oracle data types . . . . . . . . . . . . . 90
Upgrading data types as TimesTen data types . . . . . . . . . . . . 90
Data store character set conversion . . . . . . . . . . . . . . . . . 91
Converting from the TIMESTEN8 character set . . . . . . . . . . . 91
Converting from a character set
other than TIMESTEN8 . . . . . . . . . . . . . . . . . . . 92
Upgrade modes . . . . . . . . . . . . . . . . . . . . . . . . . 93
In-place upgrades . . . . . . . . . . . . . . . . . . . . . . . 93
Offline upgrades . . . . . . . . . . . . . . . . . . . . . . . 93
Online upgrades with replication . . . . . . . . . . . . . . . . . 94
Online upgrades with Client/Server. . . . . . . . . . . . . . . . 94
Performing an in-place data store upgrade . . . . . . . . . . . . . . 95
Unloading a data store . . . . . . . . . . . . . . . . . . . . . 95
Moving to a new patch release of TimesTen . . . . . . . . . . . . 96
Performing an offline upgrade . . . . . . . . . . . . . . . . . . . 97
Moving to a different directory . . . . . . . . . . . . . . . . . 98
Moving to a different machine. . . . . . . . . . . . . . . . . . 98
Reducing data store size . . . . . . . . . . . . . . . . . . . 100
Moving between 32-bit and 64-bit data stores. . . . . . . . . . . 101
Moving to a different major release of TimesTen . . . . . . . . . 101
Performing an online upgrade with replication . . . . . . . . . . . . 104
Overview . . . . . . . . . . . . . . . . . . . . . . . . . 104
Limitations . . . . . . . . . . . . . . . . . . . . . . . . 107
Requirements . . . . . . . . . . . . . . . . . . . . . . . 107
Online upgrade example . . . . . . . . . . . . . . . . . . . 108
Performing a Client/Server online upgrade from a TimesTen version prior to 6.0
113
Overview . . . . . . . . . . . . . . . . . . . . . . . . . .113
Limitations . . . . . . . . . . . . . . . . . . . . . . . . .114
Client/Server online upgrade example. . . . . . . . . . . . . . .114
Performing a Client/Server online upgrade from TimesTen version 6.0 and
above . . . . . . . . . . . . . . . . . . . . . . . . . . .116
Client/Server online upgrade . . . . . . . . . . . . . . . . . .116
Client/Server online upgrade with continuous access to the data store . .117
Record of Upgrades . . . . . . . . . . . . . . . . . . . . . . .117
