PHP

Select and Order Data From a MySQL Database Choose and arrange information from a MySQL database The ORDER BY clause is used to put the results in ascending or descending order. By default, the ORDER BY clause puts the records in order from least to most. Use the DESC keyword to sort the records from […]

How to Pick and Choose Information from a MySQL Database With the WHERE clause, you can sort records. With the WHERE clause, you can pull out only the records that meet a certain condition. SELECT columnname(s) FROM tablename WHERE columnname operator value Visit our SQL tutorial to learn more about SQL. MySQL lets you choose

Choose Information From a MySQL Database The SELECT statement is used to get data from one or more tables: SELECT column_name(s) FROM table_name Or, we can use the * character to select ALL of a table’s columns: SELECT * FROM table_name Visit our SQL tutorial to learn more about SQL. Select Data With MySQLi The

Using MySQLi  add multiple records to MySQL With the mysqli_multi_query() function, you must run more than one SQL statement. The “student” table gets three new rows from the following examples: ?php $servername = “localhost”; $username = “username”; $password = “password”; $dbname = “school”; // Create connection $link = mysqli_connect($servername, $username, $password, $dbname); // Check connection

If we use INSERT or UPDATE on a table with an AUTO INCREMENT field, we can immediately get the ID of the last record that was added or changed. The “id” column in the “student” table is an AUTO INCREMENT field: CREATE TABLE student ( id INT(6) UNSIGNED AUTO_INCREMENT PRIMARY KEY, firstname VARCHAR(40) NOT NULL,

Insert Data Into MySQL Using MySQLi After making a database and a table, we can start putting information in them. Here are some rules about how to use language: PHP needs to quote the SQL query. Quotes must be used around string values in the SQL query. Numeric values must not be quoted The word

Describe a table In relational databases and flat file databases, a table is a set of data elements that use a model of vertical columns and horizontal rows. A cell is the unit where a row and a column meet. A table has a set number of columns, but the number of rows can be

There may be more than one table in a database. If you want to create or delete a MySQL database, you will need to CREATE privileges. Build a MySQL database. Using MySQLi and PDO In MySQL, you use the CREATE DATABASE statement to make a database. The examples below show how to make a database

If you’re using PHP 5 or later, you can use: MySQLi extension (the “i” stands for improved) PDO (PHP Data Objects) (PHP Data Objects) When PHP was first made, it used the MySQL extension. But this extension stopped being used in 2012. Should I use PDO or MySQLi? If you want a short answer, “Whatever

With PHP, you can connect to databases and change the way they work. PHP is most often used with MySQL, which is a database system. What does MySQL mean? MySQL is an online database system. MySQL is a server-based database system. MySQL is great for both small and big projects. MySQL is quick, reliable, and