Check out example codes for "how to check sql server agent job history". It will help you in understanding the concepts better.

Code Example 1

-In Object Explorer, connect to an instance of the SQL Server Database Engine, and then expand that instance.
-Expand SQL Server Agent, and then expand Jobs.
-Right-click a job, and then click View History.
-In the Log File Viewer, view the job history.
-To update the job history, click Refresh.

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