diff --git a/examples/sql/world.sql b/examples/sql/world.sql
index a34ee71..829fba1 100644
--- a/examples/sql/world.sql
+++ b/examples/sql/world.sql
@@ -2,30 +2,30 @@
 
 CREATE TABLE Country (
   Code CHAR(3) PRIMARY KEY,
-  Name CHAR(52),
-  Continent CHAR(50),
-  Region CHAR(26),
+  Name VARCHAR,
+  Continent VARCHAR,
+  Region VARCHAR,
   SurfaceArea DECIMAL(10,2),
-  IndepYear SMALLINT(6),
-  Population INT(11),
+  IndepYear SMALLINT,
+  Population INT,
   LifeExpectancy DECIMAL(3,1),
   GNP DECIMAL(10,2),
   GNPOld DECIMAL(10,2),
-  LocalName CHAR(45),
-  GovernmentForm CHAR(45),
-  HeadOfState CHAR(60),
-  Capital INT(11),
+  LocalName VARCHAR,
+  GovernmentForm VARCHAR,
+  HeadOfState VARCHAR,
+  Capital INT,
   Code2 CHAR(2)
 ) WITH "template=partitioned, backups=1, CACHE_NAME=Country, VALUE_TYPE=demo.model.Country";
 
 DROP TABLE IF EXISTS City;
 
 CREATE TABLE City (
-  ID INT(11),
-  Name CHAR(35),
+  ID INT,
+  Name VARCHAR,
   CountryCode CHAR(3),
-  District CHAR(20),
-  Population INT(11),
+  District VARCHAR,
+  Population INT,
   PRIMARY KEY (ID, CountryCode)
 ) WITH "template=partitioned, backups=1, affinityKey=CountryCode, CACHE_NAME=City, KEY_TYPE=demo.model.CityKey, VALUE_TYPE=demo.model.City";
 
@@ -35,7 +35,7 @@
 
 CREATE TABLE CountryLanguage (
   CountryCode CHAR(3),
-  Language CHAR(30),
+  Language VARCHAR,
   IsOfficial CHAR(2),
   Percentage DECIMAL(4,1),
   PRIMARY KEY (CountryCode, Language)