An adjustment layer has the same icons as a type layer.

Answer the following statement true (T) or false (F)


False

Computer Science & Information Technology

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Any letter, digit, or symbol that appears in text is a character

Indicate whether the statement is true or false

Computer Science & Information Technology

The table Faculty has 60,000 rows, each row occupies 100 bytes, and the database page size is 4 k bytes. The table contains an attribute City, indicating the city in which a professor lives, there are 50 cities with names city10 ...city50, and professors are randomly distributed over the cities. Assuming that pages in the index and data ?les are 100% occupied, estimate the number of page

transfers required for the following SELECT statement in each of the cases listed below. ``` SELECT F.Id FROM Facu lty F WHERE F.City > ’city10’ AND F.City < ’city21’ ``` a. The table has no index. b. The table has a clustered B+ tree index on City. Assume a (nonleaf) index entry has 25 characters. c. The table has an unclustered B+ tree index on City. Assume an index entry has 25 characters. d. The table has an unclustered B+ tree index on (City, Id). Assume an index entry has 40 characters. e. The table has an unclustered B+ tree index on (Id, City). Assume an index entry has 40 characters.

Computer Science & Information Technology

Windows 8 offers a feature to show checkboxes next to files and folder names to select in order to move, delete, or copy

Indicate whether the statement is true or false

Computer Science & Information Technology

The ________ function returns a specified number of characters starting from the left side of the data

Fill in the blank(s) with the appropriate word(s).

Computer Science & Information Technology