Refer to the preceding text. This image depicts returned records from a series of four ttXlaNextUpdate calls. The first call returns 10 records: BT1, BT2, BT3, AT1, AT2, AT3, AT4, AT5, AT6, AT7. The Initial Read log record identifier points to AT1 (the oldest record shown) in the transaction log. The Current Read log record identifier points to AT7 in the transaction log. The second call returns two records: DT1, DT2. The Current Read log record identifier points to DT2 in the transaction log. The third call returns 10 records: CT1, CT2, CT3, CT4, CT5, CT6, CT7, CT8, CT9, CT10. The Current Read log record identifier points to CT10 in the transaction log. The fourth call returns three records: CT11, ET1, ET2. The Current Read log record identifier points to ET2 in the transaction log.

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