This is a rare wait type. It accumulates when users are trying to access global temporary while it is being dropped elsewhere. Minimal values are acceptable but should be investigated

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Suggested solutions

  1. It is generally best coding practice not to use global temporary tables as their behaviour can be non-determinist. Consider converting to regular temporary tables or a staging table

Additional research

Temporary Tables: Local vs. Global

See more

Consider using ApexSQL Monitor, a Windows and SQL Server monitoring tool able to track SQL Server wait types, including the individual query wait statistics

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