版本注意事項


|47.2 DB2 Connect Support for Loosely Coupled Transactions

|The support within DB2 Connect for loosely coupled transactions is intended |to be used by user who implement XA distributed applications that access DB2 |for OS/390 Version 6 or later. This support allows different branches |of the same global transaction to share lock space on DB2 for OS/390. This |feature reduces the window where one branch of a distributed transaction encounters |lock timeout or deadlock as a result of another branch within the same global |transaction. DB2 for OS/390 Version 6 shares the lock space in this situation |provided DB2 Connect sends the XID on each connection serving different branches |of the same global transaction.


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