The formatting mark that represents a tab is a(n):
A) series of oval dots B) arrow C) long bracket D) long dash
B
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Assume that, in addition to the operations read(x) and write(x), a database has the operation copy(x,y), which (atomically) copies the value stored in record x into record y. Design a conflict table for these operations for use in an immediate-update pessimistic concurrency control.
What will be an ideal response?
A sorting algorithm can be used to arrange a set of ________ in ________ order.
A) numeric values, ascending B) numeric values, descending C) strings, ascending D) strings, descending E) All of the above.
Which of the following is not an error (either a syntax error or a logic error)?
a. Neglecting to include an action in the body of a while statement that will eventually cause the condition to become false. b. Spelling a keyword (such as while or if) with a capitalized first letter. c. Using a condition for a while statement that is initially false. d. An infinite loop.
When you add ________ to a query you can summarize data by fields
Fill in the blank(s) with correct word