Slow Performance Querying SQL SERVER Tables From Oracle Using DG4MSQL
Last updated on JULY 17, 2017
Applies to:Oracle Database Gateway for SQL Server - Version 184.108.40.206 and later
Information in this document applies to any platform.
When performing a query from Oracle via Oracle Database Gateway for SQL*Server (DG4MSQL) some queries hang or have slow performance.
Running the same query directly in SQL*Server also hangs or is slow. By adding the NOLOCK command on the SQL*Server side then the query returns in milliseconds.
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