Java prob:
arr[] = {"1", "20", "12", "7", "9"}
Output: "9720112";
query:
Customer_list
list1 (cust_01, cust_02, cust_03 ,cust_04, cust_05)
list2 (cust_01, cust_05, cust_07 ,cust_11)
Customer_segment
segment1 (cust_01, cust_02, cust_05, cust_09)
segment2 (cust_09, cust_02, cust_03)
segmnet3 (cust_02, cust_04, cust_05, cust_09, cust_12, cust_13 ,cust_14, cust_15)
Output: cust_01, cust_02, cust_03 ,cust_04, cust_05, cust_07, cust_09, cust_11, cust_12, cust_13 ,cust_14, cust_15
Event_journal table
{ event_id,
customer_id,
event_desc: {
event_detail_id: "f8edd1d6-d373-4afd-97db-cd8f3608f310"
product_id: "7886108000412"
product_title: "Bat"
product_description: "Bat"
quantity: 1
price: 1200
}
}
Event
{
event_id,
event_name,
....
}
kafka:
what is DLT?