Some database systems require the columns in a column expression to be referenced in the GROUP BY clause in which manner?
a. The column expression is referenced by the correlation name.
b. The columns are referenced in the exact same manner they are referenced in the column expression.
c. The column expression is referenced by its relative column number starting with 1 for the first column.
b. The columns are referenced in the exact same manner they are referenced in the column expression.
Computer Science & Information Technology
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The ________ displays the number of the current record as well as the total number of records in the table
Fill in the blank(s) with correct word
Computer Science & Information Technology
The List ADT (Abstract Data Type) provides how many operations to remove an element from a list?
a) 1 b) 2 c) 3 d) 4 e) more than 4
Computer Science & Information Technology