diff --git a/connectivity/source/commontools/TSortIndex.cxx b/connectivity/source/commontools/TSortIndex.cxx
index 2af3810bed57..2bb5541d0d6d 100644
--- a/connectivity/source/commontools/TSortIndex.cxx
+++ b/connectivity/source/commontools/TSortIndex.cxx
@@ -45,7 +45,7 @@ struct TKeyValueFunc : ::std::binary_function<OSortIndex::TIntValuePairVector::v
             // compare depending for type
             switch (*aIter)
             {
-                case SQL_ORDERBYKEY_STRING:
+                case OKeyType::String:
                 {
                     sal_Int32 nRes = lhs.second->getKeyString(i).compareTo(rhs.second->getKeyString(i));
                     if (nRes < 0)
@@ -54,7 +54,7 @@ struct TKeyValueFunc : ::std::binary_function<OSortIndex::TIntValuePairVector::v
                         return bGreater;
                 }
                 break;
-                case SQL_ORDERBYKEY_DOUBLE:
+                case OKeyType::Double:
                 {
                     double d1 = lhs.second->getKeyDouble(i);
                     double d2 = rhs.second->getKeyDouble(i);
@@ -65,7 +65,7 @@ struct TKeyValueFunc : ::std::binary_function<OSortIndex::TIntValuePairVector::v
                         return bGreater;
                 }
                 break;
-                case SQL_ORDERBYKEY_NONE:
+                case OKeyType::NONE:
                     break;
             }
         }
@@ -118,7 +118,7 @@ void OSortIndex::Freeze()
 {
     OSL_ENSURE(! m_bFrozen,"OSortIndex::Freeze: already frozen!");
     // Sortierung:
-    if (m_aKeyType[0] != SQL_ORDERBYKEY_NONE)
+    if (m_aKeyType[0] != OKeyType::NONE)
         // we will sort ourself when the first keyType say so
         ::std::sort(m_aKeyValues.begin(),m_aKeyValues.end(),TKeyValueFunc(this));
 
diff --git a/connectivity/source/drivers/file/FResultSet.cxx b/connectivity/source/drivers/file/FResultSet.cxx
index 9b130c98a11e..baa6cca0117c 100644
--- a/connectivity/source/drivers/file/FResultSet.cxx
+++ b/connectivity/source/drivers/file/FResultSet.cxx
@@ -1131,7 +1131,7 @@ void OResultSet::sortRows()
             case DataType::CHAR:
             case DataType::VARCHAR:
             case DataType::LONGVARCHAR:
-                eKeyType[i] = SQL_ORDERBYKEY_STRING;
+                eKeyType[i] = OKeyType::String;
                 break;
 
             case DataType::OTHER:
@@ -1146,12 +1146,12 @@ void OResultSet::sortRows()
             case DataType::TIME:
             case DataType::TIMESTAMP:
             case DataType::BIT:
-                eKeyType[i] = SQL_ORDERBYKEY_DOUBLE;
+                eKeyType[i] = OKeyType::Double;
                 break;
 
         // Other types aren't implemented (so they are always FALSE)
             default:
-                eKeyType[i] = SQL_ORDERBYKEY_NONE;
+                eKeyType[i] = OKeyType::NONE;
                 SAL_WARN( "connectivity.drivers","OFILECursor::Execute: Datentyp nicht implementiert");
                 break;
         }
diff --git a/connectivity/source/drivers/mork/MResultSet.cxx b/connectivity/source/drivers/mork/MResultSet.cxx
index 9d9c97517677..5511274c0966 100644
--- a/connectivity/source/drivers/mork/MResultSet.cxx
+++ b/connectivity/source/drivers/mork/MResultSet.cxx
@@ -1162,7 +1162,7 @@ void SAL_CALL OResultSet::executeQuery() throw( ::com::sun::star::sdbc::SQLExcep
                     {
                     case DataType::CHAR:
                         case DataType::VARCHAR:
-                            eKeyType[i] = SQL_ORDERBYKEY_STRING;
+                            eKeyType[i] = OKeyType::String;
                             break;
 
                         case DataType::OTHER:
@@ -1177,12 +1177,12 @@ void SAL_CALL OResultSet::executeQuery() throw( ::com::sun::star::sdbc::SQLExcep
                         case DataType::TIME:
                         case DataType::TIMESTAMP:
                         case DataType::BIT:
-                            eKeyType[i] = SQL_ORDERBYKEY_DOUBLE;
+                            eKeyType[i] = OKeyType::Double;
                             break;
 
                     // Other types aren't implemented (so they are always FALSE)
                         default:
-                            eKeyType[i] = SQL_ORDERBYKEY_NONE;
+                            eKeyType[i] = OKeyType::NONE;
                             OSL_FAIL("MResultSet::executeQuery: Order By Data Type not implemented");
                             break;
                     }
diff --git a/connectivity/source/inc/TSortIndex.hxx b/connectivity/source/inc/TSortIndex.hxx
index 328dbccd0625..4db3fbd60566 100644
--- a/connectivity/source/inc/TSortIndex.hxx
+++ b/connectivity/source/inc/TSortIndex.hxx
@@ -24,12 +24,12 @@
 
 namespace connectivity
 {
-    typedef enum
+    enum class OKeyType
     {
-        SQL_ORDERBYKEY_NONE,        // do not sort
-        SQL_ORDERBYKEY_DOUBLE,      // numeric key
-        SQL_ORDERBYKEY_STRING       // String Key
-    } OKeyType;
+        NONE,        // do not sort
+        Double,      // numeric key
+        String       // String Key
+    };
 
     enum class TAscendingOrder
     {