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update query in mysqli using php

The UPDATE statement is used to update existing records in a table: UPDATE table_name SET column1=value, column2=value2,... WHERE some_column=some_value <?php $servername = "localhost"; $username = "username"; $password = "password"; $dbname = "myDB"; // Create connection $conn = mysqli_connect($servername, $username, $password, $dbname); // Check connection if (!$conn) { die("Connection failed: " . mysqli_connect_error()); } $sql = "UPDATE MyGuests SET lastname='Doe' WHERE id=2"; if (mysqli_query($conn, $sql)) { echo "Record updated successfully"; } else { echo "Error updating record: " . mysqli_error($conn); } mysqli_close($conn); ?> After the record is updated.

Mars mission 2030 by NASA

Mars mission 2030: Mars the red planet and our very own planetary neighbor has been subjected to different scientific studies and experiments over the years. The main objective of these missions has been the search of life or entities which can support life on the red planet. Over the years different space agencies like NASA, ISRO, and the Soviet Union have been sending rovers, orbiters and gathering information about the atmosphere and surface of the planet. The Curiosity rover by NASA gathered radiation level data and how efficient it can prove to sustain life on the planet. Another Martian Rover 2020 will gather data on the Martian resources and availability of oxygen as well. MARS colonization mission 2030: NASA has been gearing up and planning to land a human on the red planet by 2030. The manned mission by NASA is an elaborate plan to train a set of astronauts and then send them over to the planet. The astronauts will be trained for years on the Internationa

MVC ARCHITECTURE

MVC is a way to design software, in which the software to create a Lifecycle is divided into three parts Model , View and Controller . Model:- The model is responsible for handling data of a software application. Meaning in the software application how to store the data in the database and how to bring the store data from the database in the database is done on the model. View:- It is responsible for displaying the data brought from the database. View does not bring data from the database but displays the data brought by the model. This means that the responsibility of displaying data is above it. Controller:- It is responsible for controlling the relationship between Model and View. It receives the input given by the user, then after that input, the model requests the data. After that, the data provided by the model is made available for view so that the data can be displayed Dispaly. If we define Model, View and Controller in simple words, then the work of Model is rela

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