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hi...I need some help from you guyz. I'm still begginners on database design. I was ask to make an inventory system database. what are the tables that I need to build?.

So far, these are my tables that i make.but i think this is wrong.and i am confuse on this and what are the tables that i needed in the inventory system.I hope you can help me and teach me how to design database.Thank you in advance...

TABLE NAME:    STOCKS           

Fieldname   Data Type   Size    DESCRIPTION
TransactionID   Text    10  Transaction Identification Number
Date    Date/Time   N/A Date of Transaction
ProductName Text    20  Name of the product
ProductID   Text    20  Product Identification Number
QuantityOnHand  Number  Long Integer    Actual Quantity of Stocks
Cost    Number  Long Integer    Price Of Buying from the Supplier

Primary Key:TransactionID           
Foreign key:N/A         

TABLE NAME:   INVENTORY         

Fieldname          Data Type    Size            DESCRIPTION
ProductID          Text         20              Product Identification Number
ProductName        Text         20              Name of the Product
QuantityOnHand     Number       Long Integer    Actual Quantity of Stocks
UnitPrice          Number       Long Integer    Price of Selling the Products
Date               Date/Time    N/A Date of Transaction

Primary Key:ProductID           
Foreign key:N/A         

TABLE NAME:  SALES          

Fieldname         Data Type     Size            DESCRIPTION
SalesInvoice      Text          10              Sales Invoice Number
Date              Date/Time     N/A             Date of the Sales Invoice
ProductID         Text          20              Product Identification Number
UnitPrice         Number        Long Integer    Price of Selling the Products
TotalSales     Currency or General Number   N/A Total Sales of the Products

Primary Key: SalesInvoice           
Foreign key:N/A         

TABLE NAME:   QUANTITY UPDATE           

Fieldname          Data Type    Size    DESCRIPTION
ID                 Text         10      Product Identification Number
ProductID          Text         20      Product Identification Number
QuantityUpdate     Number       Long Integer    Update those are incoming stocks and remaining stocks

Primary Key:ID          
Foreign key:N/A         
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Last Post by Dili1234
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Have you created an ER Diagram as a guide for creating the database?

So far, these are my tables that i make.but i think this is wrong.and i am confuse on this and what are the tables that i needed in the inventory system

are those tables you posted the description/details from the actual tables found in the database?

need more info on what should be the content of the database and relationships between the tables. Also post what you think are wrong about the tables you have created

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