Intr to Database Systems
Intr to Database Systems CS 4400
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This 0 page Class Notes was uploaded by Alayna Veum on Monday November 2, 2015. The Class Notes belongs to CS 4400 at Georgia Institute of Technology - Main Campus taught by Staff in Fall. Since its upload, it has received 14 views. For similar materials see /class/234131/cs-4400-georgia-institute-of-technology-main-campus in ComputerScienence at Georgia Institute of Technology - Main Campus.
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Date Created: 11/02/15
Top Level DFD customer info 1 1 customer datastore edit customer profile customer order Customer 2 query specification customer ma order 3 book record 3 customer searches 4 writer records book informatio Employee 5 supplierS supplier info 5 Maintain supplier info 6 priceist order for suppliers 2 r 6 make order t s upp ier reVIews supplier orders r 7 maintain reVIews reVIews r x queries 8 all kinds of process records queries Data Dictionary Brie y describe the main components of 1 Data ows names on arrows speci c information in them should be explored by students Customer info The information of customers Customer order The order made by customers Query speci cations The speci cations to query books Book information The information of books Supplier information The information of suppliers Order for suppliers The order for suppliers when a book is out of stock Reviews The information of reviews Queries The speci cations to query all kinds of information in this DBMS 2 Data stores speci c information in them should be explored by students Customer datastore Store all the information about customers Customer order datastore Store all the orders made by the customers Book record Store all the information about books Write record Store all the information about writers Suppliers Store all the information about suppliers Pricelist Store the prices provided by different suppliers Reviews Store all the information about reviews Processes skeleton should be more specifically explored by yourself 1 Edit customer pro ler input customer info output customer datastore brief description Customer inputs his own information to update the pro ler 2 Customer make order input customer order customer datastore book record output customer order datastore brief description Customer inputs his order then the process will refer to current customer datastore and book record to update the customer order datastore 3 Customer searches input query speci cations output book record brief description Customer inputs a query for books 4 Maintain book records input book information book record writer records output book record writer records
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