You can use multiple _____ clauses in a FLWOR query structure to create nested sequences.

A. ?let
B. ?where
C. ?for
D. ?return


Answer: C

Computer Science & Information Technology

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What type of control displays the field names and data from a table or query?

A. bound B. unbound C. bound static D. unbound static

Computer Science & Information Technology

Consider optimistic concurrency control as applied to the transactions T and U. Suppose that transactions T and U are active at the same time as one another. Describe the outcome in each of the following cases:

i) T's request to commit comes first and backward validation is used; ii) U's request to commit comes first and backward validation is used; iii) T's request to commit comes first and forward validation is used; iv) U's request to commit comes first and forward validation is used. In each case describe the sequence in which the operations of T and U are performed, remembering that writes are not carried out until after validation

Computer Science & Information Technology

In the accompanying figure, which number indicates the name of the instance of the button whose action will be controlled by the ActionScript code?

A. 1 B. 3 C. 6 D. 7

Computer Science & Information Technology

A large image of the active slide is displayed in the:

A) Notes pane. B) Navigation pane. C) Slide pane. D) thumbnails.

Computer Science & Information Technology