=== modified file 'dhis-2/dhis-services/dhis-service-core/src/main/java/org/hisp/dhis/startup/TableAlteror.java'
--- dhis-2/dhis-services/dhis-service-core/src/main/java/org/hisp/dhis/startup/TableAlteror.java	2016-01-12 13:06:50 +0000
+++ dhis-2/dhis-services/dhis-service-core/src/main/java/org/hisp/dhis/startup/TableAlteror.java	2016-01-15 16:31:09 +0000
@@ -33,6 +33,7 @@
 import org.amplecode.quick.StatementManager;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
+import org.hisp.dhis.common.CodeGenerator;
 import org.hisp.dhis.dataelement.CategoryOptionComboStore;
 import org.hisp.dhis.jdbc.StatementBuilder;
 import org.hisp.dhis.organisationunit.OrganisationUnitService;
@@ -1160,7 +1161,7 @@
         }
 
         executeSql( "insert into dataapprovalworkflow ( workflowid, uid, created, lastupdated, name, periodtypeid, userid, publicaccess ) "
-            + "select " + statementBuilder.getAutoIncrementValue() + ", " + statementBuilder.getUid() + ", now(), now(), ds.name, ds.periodtypeid, ds.userid, ds.publicaccess "
+            + "select " + statementBuilder.getAutoIncrementValue() + ", " + CodeGenerator.generateCode() + ", now(), now(), ds.name, ds.periodtypeid, ds.userid, ds.publicaccess "
             + "from (select datasetid from dataset where approvedata = true union select distinct datasetid from dataapproval) as a "
             + "join dataset ds on ds.datasetid = a.datasetid" );
 

=== modified file 'dhis-2/dhis-support/dhis-support-jdbc/src/main/java/org/hisp/dhis/jdbc/StatementBuilder.java'
--- dhis-2/dhis-support/dhis-support-jdbc/src/main/java/org/hisp/dhis/jdbc/StatementBuilder.java	2016-01-04 02:27:49 +0000
+++ dhis-2/dhis-support/dhis-support-jdbc/src/main/java/org/hisp/dhis/jdbc/StatementBuilder.java	2016-01-15 16:31:09 +0000
@@ -162,15 +162,6 @@
     String getCharAt( String str, String n );
 
     /**
-     * Generates a random 11-character UID where the first character is an
-     * upper/lower case letter and the remaining 10 characters are a digit
-     * or an upper/lower case letter.
-     *
-     * @return randomly-generated UID.
-     */
-    String getUid();
-
-    /**
      * Creates a SELECT statement returning the identifier of the given Period.
      * 
      * @param period the Period to use in the statement. 

=== modified file 'dhis-2/dhis-support/dhis-support-jdbc/src/main/java/org/hisp/dhis/jdbc/statementbuilder/AbstractStatementBuilder.java'
--- dhis-2/dhis-support/dhis-support-jdbc/src/main/java/org/hisp/dhis/jdbc/statementbuilder/AbstractStatementBuilder.java	2016-01-04 02:27:49 +0000
+++ dhis-2/dhis-support/dhis-support-jdbc/src/main/java/org/hisp/dhis/jdbc/statementbuilder/AbstractStatementBuilder.java	2016-01-15 16:31:09 +0000
@@ -92,23 +92,6 @@
     }
 
     @Override
-    public String getUid()
-    {
-        return concatenate(
-            getCharAt( AZaz, "1 + " + getRandom( AZaz.length() ) ),
-            getCharAt( AZaz09, "1 + " + getRandom( AZaz09.length() ) ),
-            getCharAt( AZaz09, "1 + " + getRandom( AZaz09.length() ) ),
-            getCharAt( AZaz09, "1 + " + getRandom( AZaz09.length() ) ),
-            getCharAt( AZaz09, "1 + " + getRandom( AZaz09.length() ) ),
-            getCharAt( AZaz09, "1 + " + getRandom( AZaz09.length() ) ),
-            getCharAt( AZaz09, "1 + " + getRandom( AZaz09.length() ) ),
-            getCharAt( AZaz09, "1 + " + getRandom( AZaz09.length() ) ),
-            getCharAt( AZaz09, "1 + " + getRandom( AZaz09.length() ) ),
-            getCharAt( AZaz09, "1 + " + getRandom( AZaz09.length() ) ),
-            getCharAt( AZaz09, "1 + " + getRandom( AZaz09.length() ) ) );
-    }
-
-    @Override
     public String getPeriodIdentifierStatement( Period period )
     {
         return