diff --git a/tests/sql/mysql.sql b/tests/sql/mysql.sql
index 0ad646f..a77c6c6 100644
--- a/tests/sql/mysql.sql
+++ b/tests/sql/mysql.sql
@@ -1,5 +1,30 @@
 -- sample data to test MySQL
 
+
+--
+-- Table structure for table `create_join`
+--
+
+DROP TABLE IF EXISTS `create_join` (
+  `id` int(10) NOT NULL,
+  `key` text,
+  `val` text
+);
+ALTER TABLE `create_join`
+ ADD PRIMARY KEY (`id`);
+
+--
+-- Table structure for table `create_test`
+--
+
+DROP TABLE IF EXISTS `create_test` (
+  `id` int(10) NOT NULL,
+  `key` text,
+  `val` text
+);
+ALTER TABLE `create_test`
+ ADD PRIMARY KEY (`id`);
+
 -- TABLE TEST
 DROP TABLE IF EXISTS TEST1;
 CREATE TABLE TEST1 (
diff --git a/tests/sql/pgsql.sql b/tests/sql/pgsql.sql
index 0f48e9e..1516ea8 100644
--- a/tests/sql/pgsql.sql
+++ b/tests/sql/pgsql.sql
@@ -1,5 +1,18 @@
 -- sample data to test PostgreSQL INFORMATION_SCHEMA
 
+-- Table create_join
+CREATE TABLE create_join (
+    id integer NOT NULL,
+    key text,
+    val text
+);
+
+CREATE TABLE create_test (
+    id integer NOT NULL,
+    key text,
+    val text
+);
+
 -- TABLE TEST
 CREATE TABLE IF NOT EXISTS TEST1 (
   TEST_NAME CHAR(30) NOT NULL,