Explain the terms relation, tuple, and attribute
What will be an ideal response?
The terms relation, tuple, and attribute are used primarily by database theoreticians. These terms are synonymous with the terms table, row, and column, respectively, in regards to a relational database. They are also equivalent to the terms file, record, and field, which tend to be used by many traditional data processing professionals.
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What is the slack time for activity E?
Task Predecessor Duration Early Start Early Finish Late Start Late Finish A -- 8 B A 14 C A 23 8 D C, B 6 23 26 E C 32 F D, E 32 38 A) 0 days B) 1 day C) 2 days D) 4 days