December 2017
Intermediate to advanced
434 pages
10h 14m
English
Content preview from SQL Server 2017 Administrator's Guide
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Resource Waits
As noticed in the previous section, SQL Server needs to handle concurrency on resources between sessions. Section Resource Waits shows statistics about the most often waits in time. This session does not provide any additional actions but shows for which kind of resources sessions wait:
In the preceding image, a list of the most often recorded wait types issued by the SQL Server instance is displayed. Numbers in columns are self-descriptive, but the first column called Wait Category needs some explanation. SQL Server recognizes several hundreds of wait types, not all of them are well documented. We should know several base categories ...
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