PHP MySQL database connections

Explore MySQLi procedural database connections in PHP, using a settings file to define host, user, password, and database name, and verify connections with error handling.

Learn to create an object-oriented MySQLi connection in PHP, initialize a MySQLi object, handle connect errors, test credentials, and verify a live connection before writing or reading from the database.

Learn to establish a PDO connection to a MySQL database by using host, database name, user, and password from settings, with try-catch error handling and optional connection closure.

Create a database from PHP code by writing a SQL create database query, using procedural and object-oriented approaches, and handling connection failures.

Learn to create a table with mysqli using a procedural connection, including defining an auto increment, unsigned primary key and appropriate fields, with error handling and connecting to the database.

Learn to create a table using the object oriented PDO approach, including setting the database name, executing the query, and handling errors with PDO error mode.

Insert into database using mysqli with procedural connections by demonstrating inserting rows, handling auto increment ids, and separating query strings for readability.

Retrieve the last inserted id with mysqli_insert_id after inserting data, enabling you to link the new record to other tables using a single line of code.

Execute PHP queries to select data from a MySQL table, view results, fetch rows, and loop through returned records to display information.

Learn how to delete a specific row in MySQL using PHP by identifying the target ID, applying limit 1 to prevent extra deletions, and verifying the result.

Update content in your database by editing and saving records with careful selection criteria; verify changes by refreshing the page to confirm updates across relevant rows.

Master phpmyadmin to create and manage a MySQL database, and execute select, insert, update, delete, and query operations in PHP code. Explore object oriented and PDL approaches with connectors.

Master object oriented connections in PHP to connect to a MySQL database, insert data into a test area table, and run multi query or single query strings with semicolon separators.

Explore object-oriented PHP queries to retrieve data from a MySQL database, using select, where, limit, and order by with ascending or descending results.

Learn to delete a specific row by id in a MySQL database using delete from the test area table, then update the query and verify results by refreshing.

Learn how to update data in a PHP MySQL database by modifying specific fields for a given ID using update queries and where clauses.

Learn how to use a PDO connection to insert data into a MySQL database, including running an insert query, setting company and contact fields, and retrieving the last inserted ID.

Learn how to insert multiple records using a PDO transaction, including begin transaction, commit, and rollback, to ensure reliable batch updates and consistent IDs.

Access data by performing a regular select query, loop through results with a for each, and output each row, keeping error handling intact.

Delete rows in a php mysql database using a pdo connection by crafting a delete query with a where clause and optional limit, then execute and verify the results.

Update MySQL records by applying an update query to modify fields like name and size based on specific criteria, and use prepared statements for secure execution with pdo.

Learn to use prepared statements to insert data into a database by binding parameters and executing the statement. See how to bind company, contact, and size values for dynamic inserts.