14- MySQL Update Data

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MySQL Update Data

To Update the existing data in MySQL database you need to used UPDATE statement.

Syntax:

UPDATE tablename
SET column1=val1, column2=val2, column3=val3.
WHERE column=value;
Take Note! Using the UPDATE command you must not forget to include the WHERE clause, because the Where clause is used to specify record you want to modify. Without having the WHERE clause, all records in the table will be modified.
Example in Updating Data using MySQLi(Object-Oriented), MySQLi(Procedural) and PDO.

Example using MySQLi(Object-Oriented):

 

Example using MySQLi(Procedural):

 

Example using PDO:

 

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