diff --git a/SacsStandardBase/Base/Bus/SacsHierarchyItem.cs b/SacsStandardBase/Base/Bus/SacsHierarchyItem.cs
index 71d1b1e..6ac2a18 100644
--- a/SacsStandardBase/Base/Bus/SacsHierarchyItem.cs
+++ b/SacsStandardBase/Base/Bus/SacsHierarchyItem.cs
@@ -188,7 +188,7 @@ namespace Sarand.Net.Standard.Base.Bus
 				if (Changed) return;
 				Changed = ((int)(oldValue as IConvertible) != (int)(newValue as IConvertible));
 			}
-			protected void CheckChanged (int oldValue, int newValue)
+			protected void CheckChanged (long oldValue, long newValue)
 			{
 				if (Changed) return;
 				Changed = (oldValue != newValue);
diff --git a/SacsStandardBase/Base/Utils/DateUtil.cs b/SacsStandardBase/Base/Utils/DateUtil.cs
index 75b8629..e12bff1 100644
--- a/SacsStandardBase/Base/Utils/DateUtil.cs
+++ b/SacsStandardBase/Base/Utils/DateUtil.cs
@@ -10,6 +10,10 @@ namespace Sarand.Net.Standard.Base.Utils
 	{
 		//-------------------------------------------------------------------------
 		// Definitions.
+		public static String Format_SqlDate { get; } = "yyyy-MM-dd";
+		public static String Format_SqlTime { get; } = "HH:mm:ss.fff";
+		public static String Delim_SqlTime { get; } = " ";
+		public static String Format_SqlDateTime { get; } = Format_SqlDate + Delim_SqlTime + Format_SqlTime;
 		public static String Format_XmlDate { get; } = "yyyy-MM-dd";
 		public static String Format_XmlTime { get; } = "HH:mm:ss";
 		public static String Delim_XmlTime { get; } = "T";
@@ -571,19 +575,36 @@ namespace Sarand.Net.Standard.Base.Utils
 			return String.Empty;
 		}
 
+		//-------------------------------------------------------------------
+		/// <summary>Format as SQL date: 'yyyy-MM-dd'</summary>
+		public static String FormatSqlDate(this DateTime value)
+		{
+			return Format(value, Format_SqlDate);
+		}
+		/// <summary>Format as SQL time: 'HH:mm:ss'</summary>
+		public static String FormatSqlTime(this DateTime value)
+		{
+			return Format(value, Format_SqlTime);
+		}
+		/// <summary>Format as SQL datetime: 'yyyy-MM-ddTHH:mm:ss'</summary>
+		public static String FormatSqlDateTime(this DateTime value)
+		{
+			return Format(value, Format_SqlDateTime);
+		}
+
 		//-------------------------------------------------------------------
 		/// <summary>Format as XML date: 'yyyy-MM-dd'</summary>
-		public static String FormatXmlDate (this DateTime value)
+		public static String FormatXmlDate(this DateTime value)
 		{
 			return Format(value, Format_XmlDate);
 		}
 		/// <summary>Format as XML time: 'HH:mm:ss'</summary>
-		public static String FormatXmlTime (this DateTime value)
+		public static String FormatXmlTime(this DateTime value)
 		{
 			return Format(value, Format_XmlTime);
 		}
 		/// <summary>Format as XML datetime: 'yyyy-MM-ddTHH:mm:ss'</summary>
-		public static String FormatXmlDateTime (this DateTime value)
+		public static String FormatXmlDateTime(this DateTime value)
 		{
 			return Format(value, Format_XmlDateTime);
 		}
diff --git a/SacsStandardDbas/Dbas/Data/SacsDatabaseOdbc.cs b/SacsStandardDbas/Dbas/Data/SacsDatabaseOdbc.cs
index 8f3dff8..4137fe1 100644
--- a/SacsStandardDbas/Dbas/Data/SacsDatabaseOdbc.cs
+++ b/SacsStandardDbas/Dbas/Data/SacsDatabaseOdbc.cs
@@ -368,6 +368,7 @@ namespace Sarand.Net.Standard.Dbas.Data
 			// Only populate table names if not previously done.
 			if (tables.Count < 1 || refresh)
 			{
+				tables.Clear();
 				using (DbConnection dbConnection = CreateConnection(true))
 				{
 					dbConnection.Open();
@@ -862,6 +863,15 @@ namespace Sarand.Net.Standard.Dbas.Data
 					}
 				}
 			}
+
+			// Query to list included columns.
+			//  Select IndexName = i.Name, ColName = c.Name
+			//  From sys.indexes i
+			//  Inner Join sys.index_columns ic On ic.object_id = i.object_id And ic.index_id = i.index_id
+			//  Inner Join sys.columns c On c.object_id = ic.object_id And c.column_id = ic.column_id
+			//  Where ic.is_included_column = 1
+			//  Order By i.Name
+
 			// Attempt to retrieve included columns (SQL only).
 			SqlConnection sqlConnection = dbConnection as SqlConnection;
 			if (sqlConnection != null)