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Which DBCC command output parameter allows retrieval of minimal operation information?

1. Transaction ID

2. 0

3. Operation

4. Current LSN

The correct answer is: 0

The output parameter that allows retrieval of minimal operation information is represented by the value 0. In the context of DBCC commands in SQL Server, specifying 0 as an output parameter indicates that only the most basic level of information should be returned. This is useful when you want to limit the verbosity of the output or when you're performing a quick check and do not need detailed operation results. Transaction ID, Operation, and Current LSN are specific parameters that provide more detailed insights into the transactions and operations being processed, such as tracking changes in the database logs or understanding the state of transactions. Utilizing these parameters typically results in a more complex output, which may not be necessary for simpler checks. Therefore, when minimal operational details are sufficient, using the value 0 simplifies the output, allowing for efficient monitoring without overwhelming detail.