Alternative terminology-Relational model
Describe briefly the alternative terminology which is employed in the relational model?
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Relations are also termed as tables, and sometimes by the older data processing term files. A row is termed as a tuple in the relational model, however might also be referred to as a record. Finally, relational model characteristics are termed as table columns and sometimes as fields.
What is meant by the Drill Through?
Explain the loops?
How can we remove duplicate rows from the flat file?
Provide a brief introduction of the term ‘Data warehousing ’?
Give a brief introduction of the term ‘SQL Server 2005 Analysis Services’ (or SSAS)?
Illustrates the basic elements in ER models?
Illustrates the purposes of a key component in SQL Server Integration Services (SSIS)?
State the benefits of the Business Objects over the other DSS?
Explain the slowly changing dimensions?
hatcher also created the accompanying Level 1 data flow diagram for this process. Unfortunately, this DFD has numerous syntax and semantic errors. Identify the errors. Redraw the DFD to more correctly represent the receive supplier shipments process.
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