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				@@ -14,6 +14,8 @@ using TableName = QString; 
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				 using RowId = int; 
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				 using TableNames = QStringList; 
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				+/// [G]: May lead to some confusion. TableData suggest data for the entire table. 
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				+/// but in reallity it is data per column *of single row* (unless i misunderstand) 
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				 using TableData = QMap<ColName, ColData>; 
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				 using ColumnData = QPair<ColName, ColData>; 
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				 using ColumnNames = QStringList; 
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