Suppose a manager wishes to analyze historical trends in sales. He would use the online transaction processing (OLTP) system.
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Q2: A database management system (DBMS) serves as
Q17: Data modeling usually involves setting a specific
Q17: The relational database model is currently the
Q18: A collection of data fields that are
Q19: For each data item, a data dictionary
Q21: You would use Query by Example, if
Q22: Starting from monthly sales data, if you
Q23: Two of the major challenges business users
Q24: A relational model splits the information up
Q25: For the _ operation, it is required
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