https://learn.microsoft.com/cs-cz/dotnet/api/system.data.common.dbmetadatacolumnnames.parametermarkerformat?view=netframework-4.8.1&viewFallbackFrom=net-10.0-pp
DbMetaDataColumnNames.ParameterMarkerFormat Field (System.Data.Common) | Microsoft Learn
Used by the GetSchema method to create the ParameterMarkerFormat column in the DataSourceInformation collection.
field systemdatacommonmicrosoftlearn
https://learn.microsoft.com/cs-cz/dotnet/api/system.data.common.dbmetadatacolumnnames.parameternamemaxlength?view=netframework-4.8.1&viewFallbackFrom=net-10.0-pp
DbMetaDataColumnNames.ParameterNameMaxLength Field (System.Data.Common) | Microsoft Learn
Used by the GetSchema method to create the ParameterNameMaxLength column in the DataSourceInformation collection.
field systemdatacommonmicrosoftlearn