Keys are data items in a record used to identify the record. What are key types?
What will be an ideal response?
A. Primary key, unique for the record.
B. Secondary key, a key which may not be unique.
C. Concatenated key, or composite key, a combination of two or more data items for the key.
D. Foreign key, a data item in one record that is the key of another record.
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Describe the sorting pattern. Discuss the Merge sort routines in terms of this pattern.
What will be an ideal response?
By using a PivotTable, you can show the same data in a table in ________
A) a summarized fashion B) large amount of cells C) field names D) more than one arrangement
A repository, a computer-aided systems engineering (CASE) tool feature, organizes and documents system development tasks.
Answer the following statement true (T) or false (F)
Answer the following statements true (T) or false (F)
1. A node can be dynamically allocated. 2. Before you can assign headPtr a value, you must first create a new Node object. 3. Generally speaking, a link-based implementation does not impose a fixed maximum size on the data structure. 4. Like an array-based implementation, a link-based implementation’s insertion and removal operations will need to move data items. 5. For a link-based bag, the most convenient place to make an insertion is at the beginning of the chain.