Index: System.Data.SQLite/SQLite3.cs
==================================================================
--- System.Data.SQLite/SQLite3.cs
+++ System.Data.SQLite/SQLite3.cs
@@ -121,10 +121,18 @@
       get
       {
         return UnsafeNativeMethods.sqlite3_memory_used();
       }
     }
+
+    internal override long MemoryHighwater
+    {
+      get
+      {
+        return UnsafeNativeMethods.sqlite3_memory_highwater(0);
+      }
+    }
 
     /// <summary>
     /// Shutdown the SQLite engine so that it can be restarted with different config options.
     /// We depend on auto initialization to recover.
     /// </summary>

Index: System.Data.SQLite/SQLiteBase.cs
==================================================================
--- System.Data.SQLite/SQLiteBase.cs
+++ System.Data.SQLite/SQLiteBase.cs
@@ -31,13 +31,17 @@
     /// <summary>
     /// Returns the number of changes the last executing insert/update caused.
     /// </summary>
     internal abstract int Changes { get; }
     /// <summary>
-    /// Returns the amount of memory, in bytes, currently in use by SQLite core library.
+    /// Returns the amount of memory (in bytes) currently in use by the SQLite core library.
     /// </summary>
     internal abstract long MemoryUsed { get; }
+    /// <summary>
+    /// Returns the maximum amount of memory (in bytes) used by the SQLite core library since the high-water mark was last reset.
+    /// </summary>
+    internal abstract long MemoryHighwater { get; }
     /// <summary>
     /// Shutdown the SQLite engine so that it can be restarted with different config options.
     /// We depend on auto initialization to recover.
     /// </summary>
     internal abstract int Shutdown();

Index: System.Data.SQLite/SQLiteConnection.cs
==================================================================
--- System.Data.SQLite/SQLiteConnection.cs
+++ System.Data.SQLite/SQLiteConnection.cs
@@ -1037,11 +1037,11 @@
         return _sql.Changes;
       }
     }
 
     /// <summary>
-    /// Returns the amount of memory, in bytes, currently in use by SQLite core library.
+    /// Returns the amount of memory (in bytes) currently in use by the SQLite core library.
     /// </summary>
 #if !PLATFORM_COMPACTFRAMEWORK
     [Browsable(false), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
 #endif
     public long MemoryUsed
@@ -1052,10 +1052,27 @@
           throw new InvalidOperationException("Database connection not valid for getting memory used.");
 
         return _sql.MemoryUsed;
       }
     }
+
+    /// <summary>
+    /// Returns the maximum amount of memory (in bytes) used by the SQLite core library since the high-water mark was last reset.
+    /// </summary>
+#if !PLATFORM_COMPACTFRAMEWORK
+    [Browsable(false), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
+#endif
+    public long MemoryHighwater
+    {
+      get
+      {
+        if (_sql == null)
+          throw new InvalidOperationException("Database connection not valid for getting maximum memory used.");
+
+          return _sql.MemoryHighwater;
+      }
+    }
 
     /// <summary>
     /// Returns the version of the underlying SQLite database engine
     /// </summary>
     public static string SQLiteVersion

Index: System.Data.SQLite/UnsafeNativeMethods.cs
==================================================================
--- System.Data.SQLite/UnsafeNativeMethods.cs
+++ System.Data.SQLite/UnsafeNativeMethods.cs
@@ -377,10 +377,17 @@
 #else
     [DllImport(SQLITE_DLL)]
 #endif
     internal static extern long sqlite3_memory_used();
 
+#if !PLATFORM_COMPACTFRAMEWORK
+    [DllImport(SQLITE_DLL, CallingConvention = CallingConvention.Cdecl)]
+#else
+    [DllImport(SQLITE_DLL)]
+#endif
+    internal static extern long sqlite3_memory_highwater(int resetFlag);
+
 #if !PLATFORM_COMPACTFRAMEWORK
     [DllImport(SQLITE_DLL, CallingConvention = CallingConvention.Cdecl)]
 #else
     [DllImport(SQLITE_DLL)]
 #endif

Index: Tests/common.eagle
==================================================================
--- Tests/common.eagle
+++ Tests/common.eagle
@@ -478,15 +478,28 @@
       #
       catch {file delete [file join [getTemporaryPath] [file tail $fileName]]}
     }
 
     proc reportSQLiteResources { channel } {
-      tputs $channel "---- memory now in use by SQLite... "
+      tputs $channel "---- current memory in use by SQLite... "
+
+      if {[catch {object invoke -flags +NonPublic \
+              System.Data.SQLite.UnsafeNativeMethods \
+              sqlite3_memory_used} memory] == 0} then {
+        tputs $channel [appendArgs $memory " bytes\n"]
+      } else {
+        #
+        # NOTE: Maybe the SQLite native library is unavailable?
+        #
+        tputs $channel unknown\n
+      }
+
+      tputs $channel "---- maximum memory in use by SQLite... "
 
       if {[catch {object invoke -flags +NonPublic \
-              System.Data.SQLite.UnsafeNativeMethods sqlite3_memory_used} \
-              memory] == 0} then {
+              System.Data.SQLite.UnsafeNativeMethods \
+              sqlite3_memory_highwater 0} memory] == 0} then {
         tputs $channel [appendArgs $memory " bytes\n"]
       } else {
         #
         # NOTE: Maybe the SQLite native library is unavailable?
         #