diff --git a/spring-data-jdbc/src/test/resources/org.springframework.data.jdbc.core/JdbcAggregateTemplateIntegrationTests-mssql.sql b/spring-data-jdbc/src/test/resources/org.springframework.data.jdbc.core/JdbcAggregateTemplateIntegrationTests-mssql.sql
index e72cd53d..4d94a915 100644
--- a/spring-data-jdbc/src/test/resources/org.springframework.data.jdbc.core/JdbcAggregateTemplateIntegrationTests-mssql.sql
+++ b/spring-data-jdbc/src/test/resources/org.springframework.data.jdbc.core/JdbcAggregateTemplateIntegrationTests-mssql.sql
@@ -447,6 +447,6 @@ DROP TABLE BEFORE_CONVERT_CALLBACK_FOR_SAVE_BATCH;
 
 CREATE TABLE BEFORE_CONVERT_CALLBACK_FOR_SAVE_BATCH
 (
-    ID VARCHAR PRIMARY KEY,
-    NAME VARCHAR
+    ID VARCHAR(50) PRIMARY KEY,
+    NAME VARCHAR(50)
 );
diff --git a/spring-data-jdbc/src/test/resources/org.springframework.data.jdbc.core/JdbcAggregateTemplateIntegrationTests-oracle.sql b/spring-data-jdbc/src/test/resources/org.springframework.data.jdbc.core/JdbcAggregateTemplateIntegrationTests-oracle.sql
index 636e6811..95134d8c 100644
--- a/spring-data-jdbc/src/test/resources/org.springframework.data.jdbc.core/JdbcAggregateTemplateIntegrationTests-oracle.sql
+++ b/spring-data-jdbc/src/test/resources/org.springframework.data.jdbc.core/JdbcAggregateTemplateIntegrationTests-oracle.sql
@@ -453,6 +453,6 @@ CREATE TABLE THIRD
 
 CREATE TABLE BEFORE_CONVERT_CALLBACK_FOR_SAVE_BATCH
 (
-    ID VARCHAR PRIMARY KEY,
-    NAME VARCHAR
+    ID VARCHAR(50) PRIMARY KEY,
+    NAME VARCHAR(50)
 );