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Cláraigh inniuSQLFreeHandle
Applies to: 
SQL Server
Azure SQL Database
Azure SQL Managed Instance
Azure Synapse Analytics
Analytics Platform System (PDW)
In manual-commit mode, calling SQLFreeHandle on a statement handle with an open transaction causes a rollback of pending changes to the database. Calling SQLFreeHandle on a statement handle always closes any open cursors and discards pending results, freeing all resources associated with the statement handle.