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Object-Oriented (OO) development is by far the most popular in the development arena today, however, object-oriented databases are not. Relational databases still rule the roost, however, this causes some headache for OO developers.
A concept that many of the major database vendors have come up with is a hybrid database that integrates the concepts of both OO and Relational databases.
What can you tell me about hybrid databases? What are the positives and negatives? Are they better than using a OO or Relational database specifically? (Research will be necessary and do not rely solely on Wikipedia)
Construct a query that will show the number of days that exist between the first invoice and last invoice, for each month, for each employee, using the DATEDIFF function
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most spreadsheet software like that shown in the accompanying figure includes a kind of analysis tool where users can
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as a dba it is vital that you understand in detail how a query is processed by the dbms. since team retail is using
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