ADO::IsolationLevelEnum
Specifies the level of transaction isolation for a Connection object.
| Constant |
Value |
Description |
adXactUnspecified |
-1 |
Indicates that the provider is using a different isolation level than
specified, but that the level cannot be determined. |
adXactChaos |
16 |
Indicates that pending changes from more highly isolated transactions
cannot be overwritten. |
adXactBrowse |
256 |
Indicates that from one transaction you can view uncommitted changes
in other transactions. |
adXactReadUncommitted |
256 |
Same as adXactBrowse. |
adXactCursorStability |
4096 |
Indicates that from one transaction you can view changes in other
transactions only after they have been committed. |
adXactReadCommitted |
4096 |
Same as adXactCursorStability. |
adXactRepeatableRead |
65536 |
Indicates that from one transaction you cannot see changes made in
other transactions, but that requerying can retrieve new Recordset objects. |
adXactIsolated |
1048576 |
Indicates that transactions are conducted in isolation of other transactions. |
adXactSerializable |
1048576 |
Same as adXactIsolated. |
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