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Determine the number of suppliers without listing them. Label the column as Number of suppliers. Hint: Use the supplierID column to determine the number of
Determine the number of suppliers without listing them. Label the column as "Number of suppliers". Hint: Use the supplierID column to determine the number of suppliers.
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The Structure Of The Relational Database Model
Authors: Jan Paredaens ,Paul De Bra ,Marc Gyssens ,Dirk Van Gucht
1st Edition
3642699588, 978-3642699580
