Lesson 2. 0: Retrieve data from a databaseentutorial. Now it's time to retrieve data from our database to our PHP pages. This is really one of the most important lessons in this tutorial.

Once you have read and understood this lesson, you will realize why database- driven web solutions are so powerful, and your views on web development will be expanded dramatically. SQL queries. To retrieve data from a database, you use queries. An example of a query could be: . Try looking at this simple example. Get all data from the table 'people'.

Will be written like this in SQL: The syntax is pretty self- explanatory. Just read on and see how SQL statements are used in the examples below.

Example 1: Retrieve data from a table. This example uses the database and table from lesson 1.

Therefore, it is important that you read these lessons first. The example shows how data in the table . These records are stored in a so- called recordset. A recordset can be described as a kind of table in the server's memory, containing rows of data (records), and each record is subdivided into individual fields (or columns). A recordset can be compared to a table where each record could be compared to a row in the table. In PHP, we can run through a recordset with a loop and the function mysql. Similarly, we can get the content of the column .

In this tutorial you will learn how to insert the data into a MySQL database table using the SQL INSERT query in PHP. If you insert a data row by using the ON DUPLICATE KEY UPDATE clause in an INSERT-statement, the mysql You will learn how to query data from MySQL database by using PHP PDO and use PDO prepared statement to securely select data. AngularJS Insert Update Delete Using PHP MySQL, angularjs php mysql crud, add update delete in angularjs, php angularjs mysql insert delete update. Extract Audio From Video Adobe Premiere Elements Torrent there.

But in the next example, it will be shown how to sort recordset. Example 2: Sort the data alphabetically, chronologically or numerically. Often it can be helpful if a list or table of data is presented alphabetically, chronologically or numerically. Such sorting is very easy to do with SQL, where the syntax Order By Column. Name is used to sort according to the column contents.

Look at the SQL statement from the example above: str. SQL = . But often you need to set criteria in the SQL query for the data to be retrieved, for instance, if we only want the rows for those who have a particular phone number or a certain last name. Say, we only want to retrieve people from the database who have the phone number . That could be done like this: str. SQL = . We will make a list of the names from the database where each name is a link to further details about the person. For this, we need two files - list. The code of list.

Inline Edit tutorial using PHP MySQL and jQuery Ajax. SQL replace query to substitute part of field data We know how to change data inside a field by using update command inside a query. Here we will try to learn how to. Updating Data into MySQL Database Using PHP - A simple and short PHP tutorial and complete reference manual for all built-in PHP functions. This tutorial is designed.

Retrieve data from the database< /title>. By making a few changes in the above files, you could easily create a product catalogue with more than 1. PHP files. Welcome to a world with extensive websites that are easy to develop and maintain!

Once you've learned to work with databases, your web solutions will never be the same again.+ Post a new topic< < Lesson 1. Insert data into a database. Lesson 2. 1: Delete data from a database > >.