diff --git a/docker/playground/image/load-dataset-tpcds-tiny.sql b/docker/playground/image/load-dataset-tpcds-tiny.sql
index e76cd0cd9..b65cb929b 100644
--- a/docker/playground/image/load-dataset-tpcds-tiny.sql
+++ b/docker/playground/image/load-dataset-tpcds-tiny.sql
@@ -16,9 +16,9 @@
 
 SET tiny_schema=tpcds.tiny;
 
-CREATE DATABASE IF NOT EXISTS tpcds_tiny;
+CREATE DATABASE IF NOT EXISTS spark_catalog.tpcds_tiny;
 
-USE tpcds_tiny;
+USE spark_catalog.tpcds_tiny;
 
 --
 -- Name: catalog_sales; Type: TABLE; Tablespace:
diff --git a/docker/playground/image/load-dataset-tpch-tiny.sql b/docker/playground/image/load-dataset-tpch-tiny.sql
index 9f18466ae..8ee76640e 100644
--- a/docker/playground/image/load-dataset-tpch-tiny.sql
+++ b/docker/playground/image/load-dataset-tpch-tiny.sql
@@ -16,9 +16,9 @@
 
 SET tiny_schema=tpch.tiny;
 
-CREATE DATABASE IF NOT EXISTS tpch_tiny;
+CREATE DATABASE IF NOT EXISTS spark_catalog.tpch_tiny;
 
-USE tpch_tiny;
+USE spark_catalog.tpch_tiny;
 
 --
 -- Name: customer; Type: TABLE; Tablespace:
diff --git a/docker/playground/image/spark-defaults.conf b/docker/playground/image/spark-defaults.conf
index 7891c83db..9d1d4a602 100644
--- a/docker/playground/image/spark-defaults.conf
+++ b/docker/playground/image/spark-defaults.conf
@@ -22,7 +22,7 @@ spark.driver.host=0.0.0.0
 spark.ui.port=4040
 spark.sql.shuffle.partitions=16
 spark.sql.warehouse.dir=s3a://spark-bucket/warehouse
-spark.sql.defaultCatalog=spark_catalog
+spark.sql.defaultCatalog=tpcds
 spark.sql.extensions=org.apache.iceberg.spark.extensions.IcebergSparkSessionExtensions
 spark.hadoop.fs.s3a.bucket.spark-bucket.committer.magic.enabled=true
 spark.hadoop.fs.s3a.bucket.iceberg-bucket.committer.magic.enabled=true