(单选题)25: Given an ODBC/CLI program with a single connection, two threads and the following actions which complete successfully:
Thread 1: INSERT INTO mytab VALUES (1)
Thread 2: INSERT INTO mytab VALUES (2)
Thread 1: COMMIT
Thread 2: INSERT INTO mytab VALUES (3)
Thread 1: ROLLBACK
Thread 2: COMMIT
How many records will be inserted and retained in the table MYTAB?
A: 0
B: 1
C: 2
D: 3
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