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It is one of the parts of the very popular LAMP platform. At runtime, the reference x may turn out to denote an object of the type Super instead. This is a wrapper for a PHP MySQL class, which utilizes MySQLi. You do not need to use CodeIgniter to use this wrapper. Learn vocabulary, terms, and more with flashcards, games, and other study tools. In Python, a class is an object of another class. True or false? Which one of the following method is used to retrieve the number of rows affected by an INSERT, UPDATE, or DELETE query? 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. Which one of the following methods in the exception class, is used to get a nested exception object? So the correct answer will be B. In this tutorial, we will learn how to perform queries like SELECT, UPDATE, DELETE, etc. This is inspired from CodeIgniter php framework. According to the following class Mark for Review declaration, runSpeed can be (1) Points modified in class Cat. 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. Let’s look at some examples to understand the metaclass concept clearly. with different conditions with MYSQLI prepared statements in PHP. $ 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: Still, the native MySQL extension is even faster than both of these. It is possible to extend more than one class at a time. 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 B. PHP mysqli. // private method which takes an int as parameter and returns another int private int Sample(int c) { int a = 1; int b = 2; c = a + b; return c; } With the current snippet , You need to instantiate the Testing class and make use of the Sample method. posted by Praveesh B R | Which one of the following statements instantiates the mysqli class in PHP? It runs on BSD Unix, Linux, Windows, or Mac OS. Chapter 4) Language Fundamentals Objective 1, Packages, import, inner classes, interfaces. Which one of the following lines need to be uncommented or added in the php.ini file so as to enable mysqli extension? C. An abstract class is an incomplete class with abstract method. | question related to SICC19,JIT Davangere,Engineering-CS,YEAR-IV,Engineering-IS,mca,PHP House myHouse = new House(); b. A. extension=php_mysqli.dll extension=mysql.dll extension=php_mysqli.dl extension=mysqli.dl. 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 … {{SampleComment.userName || "Your Name"}} ~ {{SampleComment.userCity}} {{SampleComment.commentValue || "Your Answer or Comment goes here...."}} Join Contact No---because it contains a variable and interfaces cannot contain variables. Currently MySQL is owned by Oracle. This is the Computer Science Questions & Answers section on & PHP Basic& with explanation for various interview, competitive examination and entrance test. Look at the following interface: interface Taxable { double taxRate = 0.06; double calculateTax(); } Is the interface correct? Mark for Review (1) Points ... A loop that executes the code at least one time even if the conditional statement is false. A. rod = rat; B. rod = mos; C. pkt = null; D. pkt = rat; 17. Answer: Option B A. extension=php_mysqli.dll B. extension=mysql.dll C. extension=php_mysqli.dl D. extension=mysqli.dl View Answer The MySQLi Extension (MySQL Improved) is a relational database driver used in the PHP scripting language to provide an interface with MySQL … The mysqli_fetch_array() function accepts a result object as a parameter and, retrieves the contents of current row in the given result … A loop that is executed repeatedly until the conditional statement is false. The one which you have declared is a private method . SELECT, INSERT, UPDATE and DELETE are fully described. MCQ's Search Engine. 3. An abstract class is a complete class with abstract method. Which of the following statements is true about abstract class? Q Which one of the following lines need to be uncommented or added in the php.ini file so as to enable mysqli extension? Feb 25 '07 # 3 Electrical Engineering public class Tiger extends Cat{ public int runSpeed; } True False (*) Correct 49. Reason: The statement would be legal at compile time, since the reference x might actually refer to an object of the type Sub. Understanding the built-in Metaclass in Python. type is a built-in metaclass in Python. It also provides classes for outputting debug information, manipulate prepared queries, and retrieve query … There is no Sample class in your code . Discusses everything about MYSQLI Prepared Statements with PHP with plenty of examples. 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 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. Learn vocabulary, terms, and more with flashcards, games, and other study tools. a) extension=php_mysqli.dll b) extension=mysql.dll c) extension=php_mysqli.dl d) extension=mysqli.dl View Answer B. However, developers can use MySQLi with PHP 5, which is now deprecated. 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. If this happens, the assignment will be aborted and a ClassCastException will be thrown. Which one of the following statements instantiates the mysqli class 1 mysqli from ICT 3612 at University of South Africa 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. Learn Databases Handling MCQ Questions and answers with easy and logical explanations. This other class is called a metaclass. Python metaclass is a class that instantiates another class. 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. D. None of the listed options. A PHP result object (of the class mysqli_result) represents the MySQL result, returned by the SELECT or, DESCRIBE or, EXPLAIN queries. (*) A loop that contains a segment of code that is executed before the conditional statement is tested. WishDB is designed as a singleton class, meaning that only one instance of the class is in existence at any one time. which instantiates the class, and does the checking, then returns the mysqli object if all went well, or returns false if it didn't. Linux, Apache, MySQL, and PHP. PHP Objective type Questions and Answers. The cast tells the compiler to go ahead and allow the assignment. A. 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. Users Also Read. Simply include the class file and you are good to go. Most of the functions and documentations are identical to CodeIgniter database class and user guide and are extracted from it. Start studying CS FINAL test 2. If you choose to interact with MySQL server using the object-oriented interface, you need to first instantiate the mysqli class via its constructor. So if you truly need to squeeze every last bit of performance, that is one thing you might consider. Which of the following creates a String reference named s and instantiates it? These are nothing but the APIs of PHP that is used to access the MySQL databases and tables. 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 __________ Click here to Read more General Knowledge question-answer of 'MySql with PHP Basic MCQ ' a. SELECT, INSERT, UPDATE and DELETE are fully described. Solved examples with detailed answer description, explanation are given and it would be easy to understand This package is a simple MySQL access abstraction layer using MySQLi. MySQL database is available on most important OS platforms. Which one of the following will cause a compiler error? Metaclasses in Python define the behavior of class objects. mysqli_driver — The mysqli_driver class mysqli_driver::embedded_server_end — Stop embedded server mysqli_driver::embedded_server_start — Initialize and start embedded server d. You explicitly call a destructor _____. Correct 48. Which of the following statements correctly instantiates a House object if the House class contains a single constructor with the declaration House(int bedrooms, double price)? Optional - A combination of the following constants −. Which one of the following lines need to be uncommented or added in the php.ini file so as to enable mysqli extension?

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