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Project Description: We have purchased facebook style chat software which we are using with our site. It is prepared in PHP but the rest of the site is developed asp.net. Iss
Write short notes on extension and intension? In any data model, it is significant to distinguish among the description of the database and the database itself the description
How external/conceptual mapping and conceptual /internal mapping is performed
State your technical objectives for mining the data. Data Understanding. Describe the data For each attribute, give its description and data type. For numeric attributes
A database administrator''s responsibilities and data contents
What Command You Use What Day of the week were you born
A Relation Schema represented by R(A1, A2, ..., An) is made up of the relation name the list of attributes and R Ai that it contains. A relation is described as a set of tuples
What is use of generating such tables? How can you create temporary tables? When you require a table only for a short time after that you want it to disappear automatically you
Write short notes on relational model The relational model uses a collection of tables to show both data and the relationships between those data. The relational mo
The Assessment page has a link to download a conceptual model, and a list of data. You are to map this conceptual model, and create the database in Oracle using your own DDL. T
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