Identify important factors in the success of logical database design.
What will be an ideal response?
Work interactively with the users as much as possible
Follow a structured methodology throughout the data modeling process
Employ a data-driven approach
Incorporate structural and integrity considerations into the data models
Combine conceptualization, normalization, and transaction validation techniques into the
data modeling methodology
Use diagrams to represent as much of the data models as possible
Use a Database Design Language (DBDL) to represent additional data semantics that
cannot easily be represented in a diagram
Build a data dictionary to supplement the data model diagrams and the DBDL
Be willing to repeat steps.
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A network engineer is dispatched to an employee office to troubleshoot an issue with the employee's laptop. The employee is unable to connect to local and remote resources. The network engineer flips the laptop's wireless switch on to resolve the issue. At which of the following layers of the OSI model was the issue resolved?
A. Layer 1 B. Layer 2 C. Layer 3 D. Layer 4 E. Layer 7
The field you use for the primary key should have a checkmark in the _____ box.
A. Required B. Indexed C. Validated D. Unique