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A simple sales database is used to demonstrate how a query can be made to select sales information that will be used to create a printed invoice. Query by form is used to select the sales transactions to one customer on one date. Please note that this database has a simplified data structure with just one table storing the sales transactions. code pour embarquer la vidéo : >>> http://www.youtube.com/embed/uSBfPW8Kad4 <<< |