Which of the following PHP commands is correct?
a. <?php executeUpdate ($db_update_database) or die (“Error”);?>
b. $query = mySelectStatement($myDB) or die (“Error”);
c. $db = mysql_select_db($db_database, $dbconnection) or die (“Error”);
d. %db=mysql_select($db_database,$dbconnection) or die (“Error”);
Which of the following PHP commands is correct? a. <?php executeUpdate ($db_update_database) or die (“Error”);?> b....
Identify and correct the error in each of the following PHP code examples: a) <?php print( "Hello World" ); > b) <?php $name = "Paul"; print( "$Name" ); ?> Describe how input from an HTML5 form is retrieved in a PHP program. Describe how cookies can be used to store information on a computer and how the information can be retrieved by a PHP script. Assume that cookies are not disabled on the client.
Which of the following is NOT CORRECT about the roles of the DBMS components? (1 Point) Select one: The job of the query processor is to handle the modifications of both data and schema. The job of the storage manager is to modify the information to the data storage when requested. The job of the query processor and query optimizer is to issue commands to the storage manager. The job of the query processor is to obtain information requested from...
Which of the following is NOT CORRECT about the roles of the DBMS components? (1 Point) Select one: The job of the query processor is to handle the modifications of both data and schema. The job of the storage manager is to modify the information to the data storage when requested. The job of the query processor and query optimizer is to issue commands to the storage manager The job of the query processor is to obtain information requested from...
3. We want to transmit commands to a drone over a wireless channel. The commands and the probability of transmission are as follows: up (0.1), down (0.1), forward (0.4), left (0.15), right (0.15) and hover (0.1). (30) (a) What is a compact binary code to transmit these messages? (5) b) Suppose for hardware simplification reasons, a fixed 4-bit representation of each of the commands is used instead of the compact code. If a command is sent every second, how inefficient...
2 Which starting material would work most efficiently to undergo the following transformation? PHP A B D E Q Zoom А А B B c c D D E E
Which of the following statements about COMMIT and ROLLBACK commands is incorrect? A. All DML commands (INSERT, UPDATE, DELETE) are explicitly committed and cannot be rolled back. B. All DDL commands (CREATE, TRUNCATE, ALTER TABLE) are explicitly committed and cannot be rolled back. C. A ROLLBACK command will reverse all DDL operations performed since the last COMMIT was performed. D. all of the above
14. Which of the following statements is correct? a. The probability of Type II error is higher when a is .01 rather than .05. b. The probability of Type I error is higher when a is .01 rather than .05. c. The probability of Type I and Type II error is not dependent on the a level. d. When you test a null hypothesis at a = .05, there is a 1 out of 20 chance of committing a Type...
Question 5 4 pts Which of the following occurs if the file in the PHP statement below does not exist? include "interface.php"; . An error is produced and script execution is halted An error is produced, but script execution continues A warning is produced and script execution is halted A warning is produced, but script execution continues
62) Which of the following statements is NOT correct. a) REM sleep deprivation causes irritability, fatigue, and memory loss everyone dreams C) REM periods become longer as the number of hours of sleep increases d) everyone dreams in color. 63) Mrs. Zumpano, a second grade teacher, believes that boys are naughtier than girls. Consistent with this belief, Mrs. Zumpano watches boys for signs of misbehavior more closely than she does girls. Mrs. Zumpano's surveillance strategy illustrates: a) b) the use...
Which of the following commands is used to determine if a word is a keyword in MATLAB? Select one: a. isvalid b. isvariable c. iskeyword