Removed NUMERIC from table EXPERIMENTS

catalogue/common_catalogue_schema.sql

@@ -259,5 +259,5 @@ CREATE TABLE USAGESTATS (
 );
 CREATE TABLE EXPERIMENTS (
  NAME                     VARCHAR(20),
- GID                      NUMERIC(6, 0) CONSTRAINT EXPERIMENTS_GID_PK PRIMARY KEY
+ GID                      UINT32TYPE CONSTRAINT EXPERIMENTS_GID_PK PRIMARY KEY
 );