which one of the following statements instantiates the mysqli class?

A. extension=php_mysqli.dll B. extension=mysql.dll C. extension=php_mysqli.dl D. extension=mysqli.dl View Answer In this tutorial, we will learn how to perform queries like SELECT, UPDATE, DELETE, etc. It is possible to extend more than one class at a time. A PHP result object (of the class mysqli_result) represents the MySQL result, returned by the SELECT or, DESCRIBE or, EXPLAIN queries. At runtime, the reference x may turn out to denote an object of the type Super instead. When a user confirms that he wishes to delete an entry, that entry’s URL is passed to a function which removes the entry from the __________ In Python, a class is an object of another class. Currently MySQL is owned by Oracle. Learn vocabulary, terms, and more with flashcards, games, and other study tools. $ mysqli = new mysqli ('host', 'username', 'password', 'databaseName'); $ db = new MysqliDb ($ mysqli); If no table prefix were set during object creation its possible to set it later with a separate call: It also provides classes for outputting debug information, manipulate prepared queries, and retrieve query … A loop that is executed repeatedly until the conditional statement is false. B. Which one of the following lines need to be uncommented or added in the php.ini file so as to enable mysqli extension? a. For other PHP files to use functions in the WishDB class, these PHP files need to call a function that creates an object of ("instantiates") the WishDB class. Understanding the built-in Metaclass in Python. SELECT, INSERT, UPDATE and DELETE are fully described. B. So if you truly need to squeeze every last bit of performance, that is one thing you might consider. According to the following class Mark for Review declaration, runSpeed can be (1) Points modified in class Cat. MYSQLI_CLIENT_SSL - Use SSL encryption; MYSQLI_CLIENT_COMPRESS - Use compression protocol; MYSQLI_CLIENT_IGNORE_SPACE - Allow space after function names; MYSQLI_CLIENT_INTERACTIVE - Allow interactive timeout seconds of inactivity before closing the connection; You can disconnect from MySQLi database anytime using … Linux, Apache, MySQL, and PHP. Reason: The statement would be legal at compile time, since the reference x might actually refer to an object of the type Sub. The MySQLi Extension (MySQL Improved) is a relational database driver used in the PHP scripting language to provide an interface with MySQL … Which one of the following method is used to retrieve the number of rows affected by an INSERT, UPDATE, or DELETE query? Chapter 4) Language Fundamentals Objective 1, Packages, import, inner classes, interfaces. There is no Sample class in your code . Which one of the following statements instantiates the mysqli class 1 mysqli from ICT 3612 at University of South Africa Identify correctly constructed package declarations, import statements, class declarations (of all forms including inner classes) interface declarations, method declarations (including the main method that is used to start execution of a class), variable declarations, and identifiers. Optional - A combination of the following constants −. Still, the native MySQL extension is even faster than both of these. Discusses everything about MYSQLI Prepared Statements with PHP with plenty of examples. posted by Praveesh B R | Which one of the following statements instantiates the mysqli class in PHP? It provides a main class that works as a singleton and can establish database connections and execute regular queries or execute common queries using parameters that define tables, fields, values and conditions. Which one of the following lines need to be uncommented or added in the php.ini file so as to enable mysqli extension? The one which you have declared is a private method . D. None of the listed options. {{SampleComment.userName || "Your Name"}} ~ {{SampleComment.userCity}} {{SampleComment.commentValue || "Your Answer or Comment goes here...."}} Join Contact WishDB is designed as a singleton class, meaning that only one instance of the class is in existence at any one time. Answer: B Explanation: To declare an array in C++, we first need to specify its data type according to requirements such as int or char, afterward that the array's name and the size of the array. 3. Look at the following interface: interface Taxable { double taxRate = 0.06; double calculateTax(); } Is the interface correct? Simply include the class file and you are good to go. The developers can choose either one of them for their project, however, it must be known that MySQLi cannot be used with PHP 7 and its newer versions. Start studying CS1410 Midterm 4. Answer: Option B You do not need to use CodeIgniter to use this wrapper. A. rod = rat; B. rod = mos; C. pkt = null; D. pkt = rat; 17. Learn Databases Handling MCQ Questions and answers with easy and logical explanations. This package is a simple MySQL access abstraction layer using MySQLi. Feb 25 '07 # 3 Most of the functions and documentations are identical to CodeIgniter database class and user guide and are extracted from it. extension=php_mysqli.dll extension=mysql.dll extension=php_mysqli.dl extension=mysqli.dl. No---because it contains a variable and interfaces cannot contain variables. which instantiates the class, and does the checking, then returns the mysqli object if all went well, or returns false if it didn't. If you choose to interact with MySQL server using the object-oriented interface, you need to first instantiate the mysqli class via its constructor. Which one of the following methods in the exception class, is used to get a nested exception object? PHP Objective type Questions and Answers. Click here to Read more General Knowledge question-answer of 'MySql with PHP Basic MCQ ' A. MCQ's Search Engine. Learn vocabulary, terms, and more with flashcards, games, and other study tools. This other class is called a metaclass. While both PDO and MySQLi are quite fast, MySQLi performs insignificantly faster in benchmarks - ~2.5% for non-prepared statements, and ~6.5% for prepared ones. public class Tiger extends Cat{ public int runSpeed; } True False (*) Correct 49. Users Also Read. An abstract class is not a class itself. House myHouse = new House(3, 125000.00); c. House myHouse = House(4, 200000.00); d. two of these. Metaclasses in Python define the behavior of class objects. Solved examples with detailed answer description, explanation are given and it would be easy to understand So the correct answer will be B. mysqli_driver — The mysqli_driver class mysqli_driver::embedded_server_end — Stop embedded server mysqli_driver::embedded_server_start — Initialize and start embedded server with different conditions with MYSQLI prepared statements in PHP. Databases Handling MCQ in PHP programming provides all type of technical mcq questions which is important for technical exams, cumpus exams and other entrance examination Page-2 section-1 Let’s look at some examples to understand the metaclass concept clearly. The mysqli_fetch_array() function accepts a result object as a parameter and, retrieves the contents of current row in the given result … Start studying CS FINAL test 2. mysqli::prepare — Prepares an SQL statement for execution; mysqli::query — Performs a query on the database; mysqli::real_connect — Opens a connection to a mysql server; mysqli::real_escape_string — Escapes special characters in a string for use in an SQL statement, taking into account the current charset of the connection

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