diff --git a/rdbms/Constants.hpp b/rdbms/Constants.hpp
new file mode 100644
index 0000000000000000000000000000000000000000..928a0e092ff7606af0bd88e2f51ce3df3ce08b66
--- /dev/null
+++ b/rdbms/Constants.hpp
@@ -0,0 +1,33 @@
+/*
+ * The CERN Tape Archive (CTA) project
+ * Copyright (C) 2015  CERN
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include <stdint.h>
+#include <string>
+
+namespace cta {
+namespace rdbms {
+
+/**
+ * The maximum length an SQL statement can have in exception error message.
+ */
+const uint32_t MAX_SQL_LEN_IN_EXCEPTIONS = 80;
+
+} // namespace rdbms
+} // namespace cta
diff --git a/rdbms/wrapper/Stmt.cpp b/rdbms/wrapper/Stmt.cpp
index be47b1bf5dd63d7b0a47cae8b2a3f15661020270..78d996358a94a686b574c21abd6e0bcc30468ad1 100644
--- a/rdbms/wrapper/Stmt.cpp
+++ b/rdbms/wrapper/Stmt.cpp
@@ -16,6 +16,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include "rdbms/Constants.hpp"
 #include "rdbms/wrapper/Stmt.hpp"
 
 namespace cta {
@@ -62,13 +63,13 @@ uint32_t Stmt::getParamIdx(const std::string &paramName) const {
 // getSqlForException
 //------------------------------------------------------------------------------
 std::string Stmt::getSqlForException() const {
-  if(m_sql.length() <= c_maxSqlLenInExceptions) {
+  if(m_sql.length() <= MAX_SQL_LEN_IN_EXCEPTIONS) {
     return m_sql;
   } else {
-    if(c_maxSqlLenInExceptions >= 3) {
-      return m_sql.substr(0, c_maxSqlLenInExceptions - 3) + "...";
+    if(MAX_SQL_LEN_IN_EXCEPTIONS >= 3) {
+      return m_sql.substr(0, MAX_SQL_LEN_IN_EXCEPTIONS - 3) + "...";
     } else {
-      return std::string("..."). substr(0, c_maxSqlLenInExceptions);
+      return std::string("...").substr(0, MAX_SQL_LEN_IN_EXCEPTIONS);
     }
   }
 }
diff --git a/rdbms/wrapper/Stmt.hpp b/rdbms/wrapper/Stmt.hpp
index 3ee0a3a6dcafe8de91a61baef0ded6a97953c39f..6617371318fd302ef7d965cf45388f2afce26535 100644
--- a/rdbms/wrapper/Stmt.hpp
+++ b/rdbms/wrapper/Stmt.hpp
@@ -190,13 +190,6 @@ public:
    */
   std::string getSqlForException() const;
 
-protected:
-
-  /**
-   * The maximum length an SQL statement can have in exception error message.
-   */
-  const uint32_t c_maxSqlLenInExceptions = 80;
-
 private:
 
   /**