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connect_error) { die ("Connection failed: ". $conn->connect_error); } $sql = "INSERT INTO MyGuests (firstname, lastname, email) VALUES ('John', 'Doe', 'john@example.com')"; if ($conn->query($sql)--- TRUE) { } else { echo "Error: " . $sql . "" . $conn->error; } echo "New record created successfully"; $conn->close(); ?>

connect_error) { die ("Connection failed: ". $conn->connect_error); } $sql = "INSERT INTO MyGuests (firstname, lastname, email) VALUES ('John', 'Doe', 'john@example.com')"; if ($conn->query($sql)--- TRUE) { } else { echo "Error: " . $sql . "" . $conn->error; } echo "New record created successfully"; $conn->close(); ?>

Database Systems: Design, Implementation, & Management
Database Systems: Design, Implementation, & Management
11th Edition
ISBN:9781285196145
Author:Steven, Steven Morris, Carlos Coronel, Carlos, Coronel, Carlos; Morris, Carlos Coronel and Steven Morris, Carlos Coronel; Steven Morris, Steven Morris; Carlos Coronel
Publisher:Steven, Steven Morris, Carlos Coronel, Carlos, Coronel, Carlos; Morris, Carlos Coronel and Steven Morris, Carlos Coronel; Steven Morris, Steven Morris; Carlos Coronel
Chapter7: Introduction To Structured Query Language (sql)
Section: Chapter Questions
Problem 5P: Write the SQL code to change the job code to 501 for the person whose employee number (EMP_NUM) is...
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1-Fully explain the following code <?php $servername = "localhost"; $username "username"; $password = "password"; $dbname "myDB"; // Create connection. $conn = new mysqli ($servername, $username, $password, $dbname); // Check connection. if ($conn->connect_error) { die ("Connection failed: " $conn->connect_error); } $sql = "INSERT INTO MyGuests (firstname, lastname, email) VALUES ('John', 'Doe', 'john@example.com')"; if ($conn->query($sql) TRUE) { echo "New record created successfully"; } else { echo "Error: " $sql . "<br>" $conn->error; } . $conn->close(); ?>
Transcribed Image Text:1-Fully explain the following code <?php $servername = "localhost"; $username "username"; $password = "password"; $dbname "myDB"; // Create connection. $conn = new mysqli ($servername, $username, $password, $dbname); // Check connection. if ($conn->connect_error) { die ("Connection failed: " $conn->connect_error); } $sql = "INSERT INTO MyGuests (firstname, lastname, email) VALUES ('John', 'Doe', 'john@example.com')"; if ($conn->query($sql) TRUE) { echo "New record created successfully"; } else { echo "Error: " $sql . "<br>" $conn->error; } . $conn->close(); ?>
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