should be it

external/duckdb/extension/tpcds/dsdgen/schema/customer.sql

@@ -0,0 +1,20 @@
+create table customer(
+	c_customer_sk integer not null,
+	c_customer_id varchar(16) not null,
+	c_current_cdemo_sk integer,
+	c_current_hdemo_sk integer,
+	c_current_addr_sk integer,
+	c_first_shipto_date_sk integer,
+	c_first_sales_date_sk integer,
+	c_salutation varchar(10),
+	c_first_name varchar(20),
+	c_last_name varchar(30),
+	c_preferred_cust_flag varchar(1),
+	c_birth_day integer,
+	c_birth_month integer,
+	c_birth_year integer,
+	c_birth_country varchar(20),
+	c_login varchar(13),
+	c_email_address varchar(50),
+	c_last_review_date_sk integer
+);