Tutorial: PHP PDO Index


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In this tutorial we will study about PDO in PHP, it is a new feature of PHP which is included in PHP 5. This is the index page on this topic, subsequent pages will focus on every point on this topic.

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PHP PDO: PHP has introduced a new uniform interface for database connectivity called  PDO, it is used to connect with many type of database . PDO (PHP...; Example: <?php foreach(PDO::getAvailableDrivers()as $driver) { echo
PDO Fetch Execute
need a numerical index or an associative index. To do this PDO::query provides a technique called FETCH, which is used with the PDOStatement object. PDO...PDO Fetch Mode: We have studied before in the earlier tutorials that how
PDO Fetch Num
PDO Fetch Num: We've discussed in the previous tutorial about PDO::FETCH_ASSOC, similarly PDO provides another function which returns the numerical index of the result unlike the PDO::FETCH_ASSOC which returns the name
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PHP-PDO Connectivity with PostgreSQL: We can connect with PgSQL database using conventional way pg_connect. But in this tutorial we will connect with PDO... constructor (__construct()). Example: <?php try { $db = new PDO
PDO MySQL: MySQL is one of the most popular open source database, in this current tutorial we will come to know how to connect MySQL with PHP using PDO. Most of the web developers use MySQL with PHP, and most of the examples in our
PDO Execute
, update, delete. Example: <?php try { $db = new PDO("pgsql...PDO Execute Code: In the current tutorial we will study how to execute a simple SQL code using PDO. In the previous tutorials we knew that how to connect
PDO Fetch Into
PDO Fetch Into: Like in the previous tutorial, we will deal with OOP concept in this tutorial. In PHP PDO::FETCH_INTO is a constant which allows us.... Like the previous tutorial (based on class) PDO::FETCH_CLASS the fields were
PDO Insert
PDO-Insert-Code To get data from the database, we need to put some data into it. In PDO we use same conventional coding of inserting data, but to execute the query we use PDO::exec method. PDO::exec method returns the number
PDO Fetch Lazy
PDO Fetch Lazy: PDO::FETCH_LAZY is the combination of PDO::FETCH_OBJ and PDO... and the field names and their respective values. Example: <?php header('...'; $password=''; try { $dbh=new PDO("mysql:host
PDO Fetch Both
PDO Fetch Both: In the previous two examples we have seen the two methods of  PDO extension, with which we can get the numeric indices and character... type), PDO provides the solution as PDO::FETCH_BOTH produces, with the help
PDO Prepared Statement
PDO Prepared Statements: In this current tutorial we will study about prepared statements and how to use it using PDO. Sometimes it is more commodious... handles this. Example: <?php $host='localhost'; $user='
PDO Error Handling
PDO Error Handling: In this current tutorial we will study about the error handling methodology in PDO extension. In general we use try and catch block... illustrates this concept: Example: <?php $host='localhost'
PDO Fetch Object
PDO Fetch Object: This is another way to access the data of a table... of the student table are fetched as objects (anonymous/stdClass). Example: <?php...;; $user='root'; $password=''; try { $dbh=new PDO("
PDO Fetch Class
PDO Fetch Class: Using PDO::FETCH_CLASS we can map the fields of a table... of the field last_name, you can use any other method, field. Example: <?php...;; $pass=''; try{ $dbh=new PDO("mysql:host=$host;dbname
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Drop Index
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PHP Database Creation A simple website is made of the following technologies... interfaces, and a pretty look for the web site. ii)    PHP: PHP... how to access  databases using PHP etc. Database: In general a database
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z-index always on top
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$_GET[] index is not defined
$_GET[] index is not defined  Hi, What could be solution of the error: $_GET['someparameter'] index is not defined Thanks   Hi, You can use the following code: if (isset($_GET['someparameter'])) { // your code
NSMutableArray change object at Index
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Array Add Key Value PHP
, or boolean value. Syntax of PHP array is "index=>value", this indices separated by comma, index values could be of any type. When index is omitted...PHP array add key and value In PHP, key and value plays important role
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checking index in prepared statement
checking index in prepared statement  If we write as follows: String query = "insert into st_details values(?,?,?)"; PreparedStatement ps = con.prepareStatement(query); then after query has been prepared, can we check the index
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PHP  Hello, I am new in PHP World! I have to solve this Error. PHP Notice: Use of undefined constant Comment - assumed 'Comment' in /srv/www/htdocs//include/dbelement.php on line 49, PHP Notice: Use of undefined
JavaScript array index of
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PHP 5.4.23 Features
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Drop Index
Drop Index       Drop Index is used to remove one or more indexes from the current database... Index. In this example, we create a table Stu_Table. The create table is used
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alter table create index mysql
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Java arraylist index() Function
Java arrayList has index for each added element. This index starts from 0. arrayList values can be retrieved by the get(index) method. Example of Java Arraylist Index() Function import
PHP Array
and these variables in the list can be referenced by unique index numbers starting at 0.[...] or associative. In PHP programming arrays are generally used for either... by commas. i.e.  Syntax of defining array () in PHP $arrayname = array ( "
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