If you set the Read Uncommitted mode for a session, no isolation is provided to the
SELECT queries in that session. A transaction that is running with this isolation level is not immune to dirty reads, nonrepeatable reads, or phantom reads.
To set the Read Uncommitted mode for a session, you run the following statements from the client:
SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED.
ODBC—Use the function call
Attribute set to
ValuePtr set to