Record Info |
Information found in the Log Reader header contains details about the record itself:
- Operation—The function or operation for which the record was generated.
- Context—The context in which the operation was executed.
- Current LSN—The unique log sequence number (LSN) identifying this record.
- Previous LSN—The LSN of the log record written just previously by the transaction to which the current operation belongs. If the current log record is the first one written by the transaction, this field shows 00000000:0000.
- Flag bits—One or more general flags pertaining to the log record. For a complete listing of possible log-record flags, see your Microsoft SQL Server documentation.
- Transaction ID—The unique identifier for the transaction within the log.
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User Info |
Information on the user and application that generated the entry:
- SPID—The unique identifier of the process in which context the operation was executed.
- Application—The application that executed the operation.
- User Host—The host from which the user launched process execution.
- NT Domain—The user domain.
- NT User—The domain user name.
- SQL Login—The SQL login used to execute the operation.
Note: The Log Reader can collect NT User, SQL Login, User Host, and Application information for transactions started only when it is connected to the server. |
Record Data |
Information about the table record whose data was affected by the function (command) as recorded in the log record, including:
- Name of each column in the table row.
- Data type for that column.
- Value (Old Value) in that column before the function executed.
- Value (New Value) in that column after the function executed.
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