if a database table has an unused index which type of sql query would not have its perfomace negatively affected

What do character formats do for your document's message? a.set the tone b.provide organization c.provide clarity d.set how texts align with documents

Which feature is selected to practice and save the timing of a presentation

The output voltage of a power supply is assumed to be normally distributed. sixteen observations are taken at random on voltage are as follows: 10.35, 9.30, 10.00, 9.96, 11.65, 12.00, 11.25, 9.58, 11.54, 9.95, 10.28, 8.37, 10.44, 9.25, 9.38, and 10.85