fix common select script to work for both local and operator examples

Signed-off-by: deepthi <deepthi@planetscale.com>

examples/common/select_commerce_data.sql

@@ -1,5 +1,5 @@
-\! echo 'Using commerce/0'
-use commerce/0;
+\! echo 'Using commerce'
+use commerce;
 \! echo 'Customer'
 select * from customer;
 \! echo 'Product'

examples/operator/README.md

@@ -14,7 +14,7 @@ vtctlclient ApplyVSchema -vschema="$(cat vschema_commerce_initial.json)" commerc
 
 # Insert and verify data
 mysql < ../common/insert_commerce_data.sql
-mysql --table < select_commerce_data.sql
+mysql --table < ../common/select_commerce_data.sql
 
 # Bring up customer keyspace
 kubectl apply -f 201_customer_tablets.yaml