ASA Programming Guide
Three-Tier Computing and Distributed Transactions
Using distributed transactions
DTC has a set of isolation levels, which the application server specifies. These isolation levels map to Adaptive Server Anywhere isolation levels as follows:
DTC isolation level | Adaptive Server Anywhere isolation level |
---|---|
ISOLATIONLEVEL_UNSPECIFIED | 0 |
ISOLATIONLEVEL_CHAOS | 0 |
ISOLATIONLEVEL_READUNCOMMITTED | 0 |
ISOLATIONLEVEL_BROWSE | 0 |
ISOLATIONLEVEL_CURSORSTABILITY | 1 |
ISOLATIONLEVEL_READCOMMITTED | 1 |
ISOLATIONLEVEL_REPEATABLEREAD | 2 |
ISOLATIONLEVEL_SERIALIZABLE | 3 |
ISOLATIONLEVEL_ISOLATED | 3 |