Starting a transaction with SNAPSHOT TABLE STABILITY isolation level
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To start a SNAPSHOT TABLE STABILITY
transaction, the isolation level must be specified. For example, the following statement starts a named transaction, t1
, for READ WRITE
access and sets isolation level to SNAPSHOT TABLE STABILITY
:
EXEC SQL SET TRANSACTION NAME t1 READ WRITE SNAPSHOT TABLE STABILITY;
Isolation level always follows the optional access mode and lock resolution parameters, if they are present.
Important:
Use
Use
SNAPSHOT TABLE STABILITY
with care. In an environment where multiple transactions share database access, SNAPSHOT TABLE STABILITY
greatly increases the likelihood of lock conflicts.