To check for null values in a column in a table, use the SQL phrase ________
A) IS
B) IS NOT
C) IS NULL
D) COUNT(NULL)
C
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Fatima, a supervisor, rarely gets to see her employees interacting with customers, and as a result has a hard time rating them on this dimension of performance. Fatima has had difficulty in the cognitive processing stage known as:
A) observation. B) encoding. C) integration. D) retrieval.
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In regression, the X variable is known as the ________ variable
Fill in the blanks with correct word
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