aggregate functions in database management

Excellent (A) (27-30) Identifies and understands all of the main issues in question. Insightful, and thorough analysis of all the issues.

Above-Average (B) (23-26) Identifies and understands most of the main issues in question. Thorough analysis of most of the issues.

Average (C) (19-22) Identifies and understands some of the issues in question. Superficial analysis of some of the issues in question.

Near-Failing (D) (15-18) Identifies and understands few of the issues in question. Incomplete analysis of the issues.

Failing (F) (0-14) Identifies and understands very little of the issues in question. No analysis of the issues.

Excellent (A) (27-30) Answers to questions are clear throughout. Connection with class and study material goes well beyond the obvious connections among ideas; demonstrates insight and original thinking.

Above-Average (B) (23-26) Answers to questions present some irrelevant information on topic etc., but very little; treatment goes beyond obvious connections with class and study material.

Average (C) (19-22) Answers to questions are vague in places; some irrelevant or distracting information.

Near-Failing (D) (15-18) Answers to questions are unclear and/or confusing. Treatment is very superficial; paper may be well written but says nothing.

Failing (F) (0-14) Does not address the questions. Treatment is very superficial and says very little.

Excellent (A) (21-25) An appropriate, reasonable strategy is selected and successfully developed. Content knowledge is used correctly.

Above-Average (B) (17-20) An appropriate, reasonable strategy is selected and moderately developed. Content knowledge used appropriately, with minor computation errors.

Average (C) (13-16) An appropriate, reasonable strategy is selected, but minimally developed. Uses content knowledge with conceptual errors.

Near-Failing (D) (10-12) There is an attempt to solve the problem. Barely any strategy is applied that could lead to an answer. Rarely uses content knowledge.

Failing (F) (0-9) There is no attempt to solve the problem. No strategy is applied that could lead to an answer. Uses no content knowledge.

Excellent (A) (13-15) Solution is presented in a clear and orderly manner so the reader can follow the flow of the solution and final answer.

Above-Average (B) (11-12) Solution is presented appropriately, but may contain a minor error. Reader can follow most of the steps in the solution and final answer.

Average (C) (9-10) Solution is presented appropriately, but contains conceptual errors. Solution is presented in an unclear manner. Scorer has difficulty following the sequence of steps.

Near-Failing (D) (7-8) Presents the problem in an unclear manner, steps are missing or out of sequence. Scorer cannot determine a sequence of steps.

Failing (F) (0-6) Does not present the problem in a manner that can be deciphered. Misuse of words throughout. Awkward sentences throughout. Difficult to attach a thought process. Poorly punctuated, misspelled words, grammatically abusive.