https://learn.microsoft.com/pt-br/dotnet/api/system.data.oracleclient.oraclemonthspan?view=netframework-4.8.1&viewFallbackFrom=net-10.0
OracleMonthSpan Struct (System.Data.OracleClient) | Microsoft Learn
Represents a time interval in months and corresponds to the Oracle 9i INTERVAL YEAR TO MONTH data type.
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