What are the differences between the two in terms of data flow diagrams? The most important part of a data warehouse is meta data, but why?
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What are the differences between the two in terms of data flow diagrams? The most important part of a data warehouse is meta data, but why?
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- A new sales ordering system needs a relational database that contains a customer table, a product inventory table, and an order table. Use a word-processing, graphics, or spread-sheet program to draw an entity-relationship diagram showing the relationships among these entities. Next, design each of these tables showing the keys and attributes to be included in each table. Include five sample records for each table.Data flow diagrams may be classified as either "logical" or "physical." A data warehouse cannot function without MetaData.Two distinct types of data flow diagrams exist, each with its own set of benefits and drawbacks. For what reasons is MetaData a crucial part of a data warehouse?
- What are the differences between the two in terms of data flow diagrams? The most important part of a data warehouse is meta data, but why?There are two kinds of data flow diagrams: logical and physical. Why does a data warehouse need meta data so much?What's the difference between a logical data flow diagram and a physical data flow diagram?
- Data flow diagrams may be broken down into two groups, each with its own set of benefits and drawbacks. Why is it crucial to have MetaData in a data warehouse?What is the difference between a conceptual and a physical data flow diagram?When comparing logical data flow diagrams with physical data flow diagrams, what is the difference between them?
- How do you identify a logical data flow diagram from a physical data flow diagram?Two types of data flow diagrams exist, each with its own set of pros and downsides. Why is MetaData so critical in a data warehouse?What are the differences between the two types of data flow diagrams? Why is MetaData the most critical component of a data warehouse?
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