Microsoft confirmed Windows updates since Oct 13 leave SQL Server linked server connections open to Oracle and PostgreSQL.
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How to use subqueries in PostgreSQL without getting lost
PostgreSQL subqueries allow the result of one SQL query to become part of another, making it possible to perform comparisons ...
The problem is that after the October 13 (KB5126646) update, connections created by SQL Server linked server queries might remain open. According to Microsoft, "As additional queries are performed, ...
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