4. Question 4 You are working with a database table that contains invoice data. The table includes columns for invoice_id and customer_id. You want to remove duplicate entries for customer ID and sort the results by invoice ID. You write the SQL query below. Add a DISTINCT clause that will remove duplicate entries from the customer_id column. NOTE: The three dots (...) indicate where to add the clause. 1.SELECT ...DISTINCT 2.invoice_id 3.FROM 4.customer_data 5. What customer ID number appears in row 12 of your query result? 23? 42? 8? 16?
4. Question 4 You are working with a database table that contains invoice data. The table includes columns for invoice_id and customer_id. You want to remove duplicate entries for customer ID and sort the results by invoice ID. You write the SQL query below. Add a DISTINCT clause that will remove duplicate entries from the customer_id column. NOTE: The three dots (...) indicate where to add the clause. 1.SELECT ...DISTINCT 2.invoice_id 3.FROM 4.customer_data 5. What customer ID number appears in row 12 of your query result? 23? 42? 8? 16?
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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4.
Question 4
You are working with a
You write the SQL query below. Add a DISTINCT clause that will remove duplicate entries from the customer_id column.
NOTE: The three dots (...) indicate where to add the clause.
1.SELECT ...DISTINCT
2.invoice_id
3.FROM
4.customer_data
5.
What customer ID number appears in row 12 of your query result?
23?
42?
8?
16?
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