PHP Data Submission and Database Access
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Questions and Answers

Which HTTP request method is more appropriate for submitting data according to the text?

  • PUT
  • POST (correct)
  • DELETE
  • GET

    • What happens if a URL contains special characters without encoding?

  • Special characters are replaced with standard ones
  • The characters are ignored
  • The characters are displayed as they are
  • The URL will not work (correct)

    • In which part of an HTTP POST request are parameters embedded?

  • Response header
  • Request body (correct)
  • Query string
  • URL

    • What could be a potential issue with using a GET request for submitting data?

    <p>Security vulnerability</p> Signup and view all the answers

    Why is using a POST request more suitable for private data submission?

    <p>POST requests transmit data securely</p> Signup and view all the answers

    What is a limitation of URLs in relation to data submission?

    <p>Limited length capacity</p> Signup and view all the answers

    Which superglobal array in PHP contains information about files uploaded with the web request?

    <p>$_FILES</p> Signup and view all the answers

    What does the 'REQUEST_METHOD' element of the global $_SERVER array in PHP indicate?

    <p>Type of request being processed (GET or POST)</p> Signup and view all the answers

    In PHP, which superglobal array holds parameters passed to any type of request?

    <p>$_REQUEST</p> Signup and view all the answers

    What is the purpose of the 'value' attribute in HTML forms?

    <p>Set the default value to be submitted if a control is selected</p> Signup and view all the answers

    What is the function of PHP superglobal arrays?

    <p>Contain details about the current request, server, etc.</p> Signup and view all the answers

    What kind of arrays are PHP superglobal arrays?

    <p>Associative arrays</p> Signup and view all the answers

    What is the purpose of using regular expressions in PHP?

    <p>Pattern matching in text</p> Signup and view all the answers

    Which statement accurately describes the role of mysqli_close($conn); in PHP?

    <p>Close the connection to the server and database</p> Signup and view all the answers

    What privilege is required to create or delete a MySQL database?

    <p>CREATE privileges</p> Signup and view all the answers

    Which element must be at the end of a text pattern for it to match with 'com' using regular expressions?

    <p>$</p> Signup and view all the answers

    What does the expression '[^a-z]' represent in regular expressions?

    <p>Matches anything except lowercase letters</p> Signup and view all the answers

    What is the purpose of '[[:alnum:]]+' in a regular expression?

    <p>Match any alphanumeric character at least once</p> Signup and view all the answers

    What SQL statement is used to add new records to a MySQL table?

    <p>INSERT INTO</p> Signup and view all the answers

    In SQL, how should string values inside the SQL query be treated?

    <p>Quoted</p> Signup and view all the answers

    What does the * character represent in a SQL SELECT statement?

    <p>Select all columns</p> Signup and view all the answers

    In SQL, what must be done when inserting NULL values?

    <p>Not quoted</p> Signup and view all the answers

    Which SQL statement is used to create a table in a MySQL database?

    <p>CREATE TABLE</p> Signup and view all the answers

    What is the purpose of the PRIMARY KEY in a MySQL table creation?

    <p>Uniquely identifies each record in the table</p> Signup and view all the answers

    What is one type of validation mentioned in the text?

    <p>Preventing blank values for email addresses</p> Signup and view all the answers

    What is a function of server-side validation according to the text?

    <p>It ensures truly secure validation</p> Signup and view all the answers

    In the context of form validation, why might client-side validation lead to a better user experience?

    <p>It checks input before the form is submitted</p> Signup and view all the answers

    What is a reason for using both client-side and server-side validation together?

    <p>To balance between security and user experience</p> Signup and view all the answers

    How does the text suggest testing for valid credit card numbers?

    <p>Matching the number against a predefined algorithm or pattern</p> Signup and view all the answers

    Why is it necessary to ensure that values fit together in a form?

    <p>To prevent inconsistencies in user-provided data</p> Signup and view all the answers

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