A group of related records is called a(n) ________.
Fill in the blank(s) with the appropriate word(s).
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Answer the following statements true (T) or false (F)
1. Output will be the same if you use in order, post order, or pre order traversals to print the values stored in a binary tree. 2. The height of a binary tree describes how many levels there are in the tree. 3. In certain types of binary trees, the number of leaves can be greater than the number of nodes. 4. Binary trees are commonly used to organize key values that index database records. 5. Deleting a leaf node from a binary search tree is not difficult. Deleting a non-leaf node requires several steps.
Write PL/SQL block that asks user to input first number, second number and an arithmetic operator (+, -, *, or /). If operator is invalid, throw and handle a user-defined exception. If second number is 0 and the operator is /, handle ZERO_DIVIDE predefined server exception.
What will be an ideal response?
How does store-and-forward switching work?
What will be an ideal response?
Evaluate the following expressions by writing each number in scientific notation. Combine the decimal part and their exponents to express the result in scientific notation rounded to four significant digits.
10,002,000 * 0.000234 / 1.5678