From cd1d33034cc1c52ad5d845d530f7b4ab5f50c1d1 Mon Sep 17 00:00:00 2001
From: Jayakumar Sadhasivam <iamjayakumars@gmail.com>
Date: Thu, 3 Sep 2020 16:07:02 +0530
Subject: [PATCH] PHP MYSQL FILES

---
 Code/PHP MySQL - ALTER TABLE -1.php           | 23 +++++++
 Code/PHP MySQL - ALTER TABLE -2.php           | 23 +++++++
 Code/PHP MySQL - ALTER TABLE -3.php           | 23 +++++++
 Code/PHP MySQL - BETWEEN.php                  | 60 +++++++++++++++++++
 Code/PHP MySQL - CREATE DATABASE.php          | 22 +++++++
 Code/PHP MySQL - CREATE TABLE.php             | 30 ++++++++++
 Code/PHP MySQL - Create DB Connection.php     |  2 +-
 Code/PHP MySQL - DELETE.php                   | 23 +++++++
 ...PHP MySQL - INSERT INTO TABLE via FORM.php | 29 +++++++++
 Code/PHP MySQL - INSERT INTO TABLE.php        | 35 +++++++++++
 Code/PHP MySQL - LIKE FUNCTION -1.php         | 48 +++++++++++++++
 Code/PHP MySQL - LIKE FUNCTION -2.php         | 48 +++++++++++++++
 Code/PHP MySQL - LIKE FUNCTION -3.php         | 48 +++++++++++++++
 Code/PHP MySQL - MYSQL_AFFECTED_ROWS.php      | 12 ++++
 Code/PHP MySQL - MYSQL_ERROR.php              | 16 +++++
 Code/PHP MySQL - MYSQL_FETCH_ARRAY.php        | 21 +++++++
 Code/PHP MySQL - MYSQL_FETCH_ASSOC.php        | 20 +++++++
 Code/PHP MySQL - MYSQL_FETCH_FIELD.php        | 26 ++++++++
 Code/PHP MySQL - MYSQL_FETCH_OBJECT.php       | 14 +++++
 Code/PHP MySQL - MYSQL_FETCH_ROW.php          | 18 ++++++
 Code/PHP MySQL - MYSQL_FREE_RESULT.php        | 22 +++++++
 Code/PHP MySQL - MYSQL_GET_CLIENT_INFO.php    |  3 +
 Code/PHP MySQL - MYSQL_GET_RESOURCE_TYPE.php  | 10 ++++
 Code/PHP MySQL - MYSQL_GET_SERVER_INFO.php    |  4 ++
 Code/PHP MySQL - MYSQL_LIST_DBS.php           | 13 ++++
 Code/PHP MySQL - MYSQL_NUM_FIELDS.php         | 16 +++++
 Code/PHP MySQL - MYSQL_NUM_ROWS.php           |  7 +++
 Code/PHP MySQL - Multiple Database.php        | 12 ++++
 Code/PHP MySQL - ORDER BY DESC.php            | 27 +++++++++
 Code/PHP MySQL - ORDER BY.php                 | 27 +++++++++
 Code/PHP MySQL - SELECT DATA - WHERE -1.php   | 28 +++++++++
 Code/PHP MySQL - SELECT DATA-1.php            | 27 +++++++++
 Code/PHP MySQL - SELECT DATA-2.php            | 27 +++++++++
 Code/PHP MySQL - SELECT DATABASE.php          |  6 ++
 Code/PHP MySQL - TRUNCATE.php                 | 23 +++++++
 Code/PHP MySQL - UPDATE.php                   | 23 +++++++
 36 files changed, 815 insertions(+), 1 deletion(-)
 create mode 100644 Code/PHP MySQL - ALTER TABLE -1.php
 create mode 100644 Code/PHP MySQL - ALTER TABLE -2.php
 create mode 100644 Code/PHP MySQL - ALTER TABLE -3.php
 create mode 100644 Code/PHP MySQL - BETWEEN.php
 create mode 100644 Code/PHP MySQL - CREATE DATABASE.php
 create mode 100644 Code/PHP MySQL - CREATE TABLE.php
 create mode 100644 Code/PHP MySQL - DELETE.php
 create mode 100644 Code/PHP MySQL - INSERT INTO TABLE via FORM.php
 create mode 100644 Code/PHP MySQL - INSERT INTO TABLE.php
 create mode 100644 Code/PHP MySQL - LIKE FUNCTION -1.php
 create mode 100644 Code/PHP MySQL - LIKE FUNCTION -2.php
 create mode 100644 Code/PHP MySQL - LIKE FUNCTION -3.php
 create mode 100644 Code/PHP MySQL - MYSQL_AFFECTED_ROWS.php
 create mode 100644 Code/PHP MySQL - MYSQL_ERROR.php
 create mode 100644 Code/PHP MySQL - MYSQL_FETCH_ARRAY.php
 create mode 100644 Code/PHP MySQL - MYSQL_FETCH_ASSOC.php
 create mode 100644 Code/PHP MySQL - MYSQL_FETCH_FIELD.php
 create mode 100644 Code/PHP MySQL - MYSQL_FETCH_OBJECT.php
 create mode 100644 Code/PHP MySQL - MYSQL_FETCH_ROW.php
 create mode 100644 Code/PHP MySQL - MYSQL_FREE_RESULT.php
 create mode 100644 Code/PHP MySQL - MYSQL_GET_CLIENT_INFO.php
 create mode 100644 Code/PHP MySQL - MYSQL_GET_RESOURCE_TYPE.php
 create mode 100644 Code/PHP MySQL - MYSQL_GET_SERVER_INFO.php
 create mode 100644 Code/PHP MySQL - MYSQL_LIST_DBS.php
 create mode 100644 Code/PHP MySQL - MYSQL_NUM_FIELDS.php
 create mode 100644 Code/PHP MySQL - MYSQL_NUM_ROWS.php
 create mode 100644 Code/PHP MySQL - Multiple Database.php
 create mode 100644 Code/PHP MySQL - ORDER BY DESC.php
 create mode 100644 Code/PHP MySQL - ORDER BY.php
 create mode 100644 Code/PHP MySQL - SELECT DATA - WHERE -1.php
 create mode 100644 Code/PHP MySQL - SELECT DATA-1.php
 create mode 100644 Code/PHP MySQL - SELECT DATA-2.php
 create mode 100644 Code/PHP MySQL - SELECT DATABASE.php
 create mode 100644 Code/PHP MySQL - TRUNCATE.php
 create mode 100644 Code/PHP MySQL - UPDATE.php

diff --git a/Code/PHP MySQL - ALTER TABLE -1.php b/Code/PHP MySQL - ALTER TABLE -1.php
new file mode 100644
index 0000000..c47074f
--- /dev/null
+++ b/Code/PHP MySQL - ALTER TABLE -1.php	
@@ -0,0 +1,23 @@
+ <?php
+ $servername = "localhost";
+ $username = "root";
+ $password = "root";
+ $dbname = "myDB";
+ 
+ // Create connection
+ $conn = mysqli_connect($servername, $username, $password, $dbname);
+ // Check connection
+ if (!$conn) {
+  die("Connection failed: " . mysqli_connect_error());
+}
+
+$sql = "ALTER TABLE MyGuests DROP lastname";
+
+if (mysqli_query($conn, $sql)) {
+  echo "Record updated successfully";
+} else {
+  echo "Error updating record: " . mysqli_error($conn);
+}
+
+mysqli_close($conn);
+?>
\ No newline at end of file
diff --git a/Code/PHP MySQL - ALTER TABLE -2.php b/Code/PHP MySQL - ALTER TABLE -2.php
new file mode 100644
index 0000000..10c7f3e
--- /dev/null
+++ b/Code/PHP MySQL - ALTER TABLE -2.php	
@@ -0,0 +1,23 @@
+ <?php
+ $servername = "localhost";
+ $username = "root";
+ $password = "root";
+ $dbname = "myDB";
+ 
+ // Create connection
+ $conn = mysqli_connect($servername, $username, $password, $dbname);
+ // Check connection
+ if (!$conn) {
+  die("Connection failed: " . mysqli_connect_error());
+}
+
+$sql = "ALTER TABLE MyGuests ADD COLUMN work varchar(20)";
+
+if (mysqli_query($conn, $sql)) {
+  echo "Record updated successfully";
+} else {
+  echo "Error updating record: " . mysqli_error($conn);
+}
+
+mysqli_close($conn);
+?>
\ No newline at end of file
diff --git a/Code/PHP MySQL - ALTER TABLE -3.php b/Code/PHP MySQL - ALTER TABLE -3.php
new file mode 100644
index 0000000..5a801a0
--- /dev/null
+++ b/Code/PHP MySQL - ALTER TABLE -3.php	
@@ -0,0 +1,23 @@
+ <?php
+ $servername = "localhost";
+ $username = "root";
+ $password = "root";
+ $dbname = "myDB";
+ 
+ // Create connection
+ $conn = mysqli_connect($servername, $username, $password, $dbname);
+ // Check connection
+ if (!$conn) {
+  die("Connection failed: " . mysqli_connect_error());
+}
+
+$sql = "ALTER TABLE MyGuests CHANGE work organizations varchar(25)";
+
+if (mysqli_query($conn, $sql)) {
+  echo "Record updated successfully";
+} else {
+  echo "Error updating record: " . mysqli_error($conn);
+}
+
+mysqli_close($conn);
+?>
\ No newline at end of file
diff --git a/Code/PHP MySQL - BETWEEN.php b/Code/PHP MySQL - BETWEEN.php
new file mode 100644
index 0000000..a7b1f4c
--- /dev/null
+++ b/Code/PHP MySQL - BETWEEN.php	
@@ -0,0 +1,60 @@
+<?php
+$servername = "localhost";
+$username = "root";
+$password = "root";
+$dbname = "myDB";
+
+// Create connection
+$conn = mysqli_connect($servername, $username, $password, $dbname);
+// Check connection
+if (!$conn) {
+  die("Connection failed: " . mysqli_connect_error());
+}
+echo "<h1> BETWEEN </h1>";
+
+$sql = "SELECT firstname FROM MyGuests WHERE ID BETWEEN 10 AND 100";
+$result = mysqli_query($conn, $sql);
+
+if (mysqli_num_rows($result) > 0) {
+  // output data of each row
+  while($row = mysqli_fetch_assoc($result)) {
+    echo "Name : " . $row["firstname"]."<br>";
+  }
+} else {
+  echo "0 results";
+}
+
+echo "<hr>";
+
+$sql = "SELECT id,firstname FROM MyGuests WHERE ID BETWEEN 10 AND 100";
+$result = mysqli_query($conn, $sql);
+
+if (mysqli_num_rows($result) > 0) {
+  // output data of each row
+  while($row = mysqli_fetch_assoc($result)) {
+    echo "id : " . $row["id"]. " - Name : " . $row["firstname"]."<br>";
+  }
+} else {
+  echo "0 results";
+}
+
+echo "<hr>";
+echo "<h1> NOT BETWEEN </h1>";
+
+$sql = "SELECT id,firstname FROM MyGuests WHERE ID NOT BETWEEN 10 AND 100";
+$result = mysqli_query($conn, $sql);
+
+if (mysqli_num_rows($result) > 0) {
+  // output data of each row
+  while($row = mysqli_fetch_assoc($result)) {
+    echo "id : " . $row["id"]. " - Name : " . $row["firstname"]."<br>";
+  }
+} else {
+  echo "0 results";
+}
+
+
+
+
+mysqli_close($conn);
+?>
\ No newline at end of file
diff --git a/Code/PHP MySQL - CREATE DATABASE.php b/Code/PHP MySQL - CREATE DATABASE.php
new file mode 100644
index 0000000..acd8abe
--- /dev/null
+++ b/Code/PHP MySQL - CREATE DATABASE.php	
@@ -0,0 +1,22 @@
+ <?php
+ $servername = "localhost";
+ $username = "jay";
+ $password = "";
+ 
+ // Create connection
+ $conn = mysqli_connect($servername, $username, $password);
+ // Check connection
+ if (!$conn) {
+    die("Connection failed: " . mysqli_connect_error());
+}
+
+// Create database
+$sql = "CREATE DATABASE myDB";
+if (mysqli_query($conn, $sql)) {
+    echo "Database created successfully";
+} else {
+    echo "Error creating database: " . mysqli_error($conn);
+}
+
+mysqli_close($conn);
+?>
\ No newline at end of file
diff --git a/Code/PHP MySQL - CREATE TABLE.php b/Code/PHP MySQL - CREATE TABLE.php
new file mode 100644
index 0000000..fda795e
--- /dev/null
+++ b/Code/PHP MySQL - CREATE TABLE.php	
@@ -0,0 +1,30 @@
+ <?php
+ $servername = "localhost";
+ $username = "jay";
+ $password = "";
+ $dbname = "myDB";
+ 
+ // Create connection
+ $conn = mysqli_connect($servername, $username, $password, $dbname);
+ // Check connection
+ if (!$conn) {
+	die("Connection failed: " . mysqli_connect_error());
+}
+
+// sql to create table
+$sql = "CREATE TABLE MyGuests (
+	id INT(6),
+	firstname VARCHAR(30),
+	lastname VARCHAR(30),
+	email VARCHAR(50),
+	reg_date TIMESTAMP
+	)";
+	
+	if (mysqli_query($conn, $sql)) {
+		echo "Table MyGuests created successfully";
+	} else {
+		echo "Error creating table: " . mysqli_error($conn);
+	}
+	
+	mysqli_close($conn);
+	?>
\ No newline at end of file
diff --git a/Code/PHP MySQL - Create DB Connection.php b/Code/PHP MySQL - Create DB Connection.php
index dbc7dec..96a814f 100644
--- a/Code/PHP MySQL - Create DB Connection.php	
+++ b/Code/PHP MySQL - Create DB Connection.php	
@@ -6,4 +6,4 @@
 else{
     echo "Connected successfully";
 }
-?>
+?>
\ No newline at end of file
diff --git a/Code/PHP MySQL - DELETE.php b/Code/PHP MySQL - DELETE.php
new file mode 100644
index 0000000..19f09ec
--- /dev/null
+++ b/Code/PHP MySQL - DELETE.php	
@@ -0,0 +1,23 @@
+ <?php
+ $servername = "localhost";
+ $username = "root";
+ $password = "root";
+ $dbname = "myDB";
+ 
+ // Create connection
+ $conn = mysqli_connect($servername, $username, $password, $dbname);
+ // Check connection
+ if (!$conn) {
+  die("Connection failed: " . mysqli_connect_error());
+}
+
+$sql = "DELETE FROM MyGuests WHERE id='2'";
+
+if (mysqli_query($conn, $sql)) {
+  echo "Record updated successfully";
+} else {
+  echo "Error updating record: " . mysqli_error($conn);
+}
+
+mysqli_close($conn);
+?>
\ No newline at end of file
diff --git a/Code/PHP MySQL - INSERT INTO TABLE via FORM.php b/Code/PHP MySQL - INSERT INTO TABLE via FORM.php
new file mode 100644
index 0000000..fb1b256
--- /dev/null
+++ b/Code/PHP MySQL - INSERT INTO TABLE via FORM.php	
@@ -0,0 +1,29 @@
+INSERT INTO TABLE FORM
+<html>
+
+<body>
+    <form action="insertinto_table.php" method="post">
+        firstname: <input type="text" name="firstname" />
+        lastname:<input type="text" name="lastname" />
+        Age: <input type="text" name="age" />
+        <input type="submit" name="submit" value="Submit" />
+    </form>
+</body>
+
+</html>
+
+// INSERT INTO TABLE PHP
+<?php
+$con = mysqli_connect("localhost","root",""); 
+if (!$con)
+{
+    die('Could not connect: ' . mysqli_error()); }
+    mysqli_select_db("sample", $con);
+    $sql="INSERT INTO student (FirstName, LastName, Age) VALUES ('$_POST[firstname]','$_POST[lastname]','$_POST[age]')";
+    if (!mysqli_query($sql,$con))
+    {
+        die('Error: ' . mysqli_error());
+    }
+    echo "1 record added";
+    mysqli_close($con)
+    ?>
\ No newline at end of file
diff --git a/Code/PHP MySQL - INSERT INTO TABLE.php b/Code/PHP MySQL - INSERT INTO TABLE.php
new file mode 100644
index 0000000..7f86106
--- /dev/null
+++ b/Code/PHP MySQL - INSERT INTO TABLE.php	
@@ -0,0 +1,35 @@
+<?php
+$servername = "localhost";
+$username = "root";
+$password = "root";
+$dbname = "myDB";
+
+// Create connection
+$conn = mysqli_connect($servername, $username, $password, $dbname);
+// Check connection
+if (!$conn) {
+    die("Connection failed: " . mysqli_connect_error());
+}
+
+$sql = "INSERT INTO MyGuests (id, firstname, lastname, email)
+VALUES (2, 'John', '', 'john@example.com')";
+
+$sql1= "INSERT INTO MyGuests VALUES
+('2','Jay','kumar','iamjayakumars@gmail.com','2020-09-02 22:03:30')";
+
+$sql2= "INSERT INTO MyGuests (id, firstname, lastname) 
+VALUES (13,'mike', 'jack' )";
+
+
+if (mysqli_query($conn, $sql)) {
+    echo "New record created successfully";
+} else {
+    echo "Error: " . $sql . "<br>" . mysqli_error($conn);
+}
+
+mysqli_query($conn,$sql1);
+mysqli_query($conn,$sql2);
+
+
+mysqli_close($conn);
+?>
\ No newline at end of file
diff --git a/Code/PHP MySQL - LIKE FUNCTION -1.php b/Code/PHP MySQL - LIKE FUNCTION -1.php
new file mode 100644
index 0000000..1c6d47a
--- /dev/null
+++ b/Code/PHP MySQL - LIKE FUNCTION -1.php	
@@ -0,0 +1,48 @@
+<?php
+$servername = "localhost";
+$username = "root";
+$password = "root";
+$dbname = "myDB";
+
+// Create connection
+$conn = mysqli_connect($servername, $username, $password, $dbname);
+// Check connection
+if (!$conn) {
+  die("Connection failed: " . mysqli_connect_error());
+}
+
+echo "<h3> Like Function with Starting </h3>";
+
+$sql = "SELECT * FROM MyGuests where firstname like 'm%'";
+$result = mysqli_query($conn, $sql);
+
+if (mysqli_num_rows($result) > 0) {
+  // output data of each row
+  while($row = mysqli_fetch_assoc($result)) {
+    echo "Name : " . $row["firstname"]."<br>";
+  }
+} else {
+  echo "0 results";
+}
+
+
+echo "<hr>";
+echo "<h3> Like Function with Ending </h3>";
+
+$sql = "SELECT * FROM MyGuests where firstname like '%y'";
+$result = mysqli_query($conn, $sql);
+
+if (mysqli_num_rows($result) > 0) {
+  // output data of each row
+  while($row = mysqli_fetch_assoc($result)) {
+    echo "Name : " . $row["firstname"]."<br>";
+  }
+} else {
+  echo "0 results";
+}
+
+
+
+
+mysqli_close($conn);
+?>
\ No newline at end of file
diff --git a/Code/PHP MySQL - LIKE FUNCTION -2.php b/Code/PHP MySQL - LIKE FUNCTION -2.php
new file mode 100644
index 0000000..dd54615
--- /dev/null
+++ b/Code/PHP MySQL - LIKE FUNCTION -2.php	
@@ -0,0 +1,48 @@
+<?php
+$servername = "localhost";
+$username = "root";
+$password = "root";
+$dbname = "myDB";
+
+// Create connection
+$conn = mysqli_connect($servername, $username, $password, $dbname);
+// Check connection
+if (!$conn) {
+  die("Connection failed: " . mysqli_connect_error());
+}
+
+echo "<h3> NOT Like Function with Starting </h3>";
+
+$sql = "SELECT * FROM MyGuests where firstname NOT like 'm%'";
+$result = mysqli_query($conn, $sql);
+
+if (mysqli_num_rows($result) > 0) {
+  // output data of each row
+  while($row = mysqli_fetch_assoc($result)) {
+    echo "Name : " . $row["firstname"]."<br>";
+  }
+} else {
+  echo "0 results";
+}
+
+
+echo "<hr>";
+echo "<h3> NOT Like Function with Ending </h3>";
+
+$sql = "SELECT * FROM MyGuests where firstname NOT like '%y'";
+$result = mysqli_query($conn, $sql);
+
+if (mysqli_num_rows($result) > 0) {
+  // output data of each row
+  while($row = mysqli_fetch_assoc($result)) {
+    echo "Name : " . $row["firstname"]."<br>";
+  }
+} else {
+  echo "0 results";
+}
+
+
+
+
+mysqli_close($conn);
+?>
\ No newline at end of file
diff --git a/Code/PHP MySQL - LIKE FUNCTION -3.php b/Code/PHP MySQL - LIKE FUNCTION -3.php
new file mode 100644
index 0000000..33fee6e
--- /dev/null
+++ b/Code/PHP MySQL - LIKE FUNCTION -3.php	
@@ -0,0 +1,48 @@
+<?php
+$servername = "localhost";
+$username = "root";
+$password = "root";
+$dbname = "myDB";
+
+// Create connection
+$conn = mysqli_connect($servername, $username, $password, $dbname);
+// Check connection
+if (!$conn) {
+  die("Connection failed: " . mysqli_connect_error());
+}
+
+echo "<h3> UNDERSCORE Function </h3>";
+
+$sql = "SELECT * FROM MyGuests where firstname like 'M__E'";
+$result = mysqli_query($conn, $sql);
+
+if (mysqli_num_rows($result) > 0) {
+  // output data of each row
+  while($row = mysqli_fetch_assoc($result)) {
+    echo "Name : " . $row["firstname"]."<br>";
+  }
+} else {
+  echo "0 results";
+}
+
+
+echo "<hr>";
+echo "<h3> NOT UNDERSCORE Function </h3>";
+
+$sql = "SELECT * FROM MyGuests where firstname NOT like 'M__E'";
+$result = mysqli_query($conn, $sql);
+
+if (mysqli_num_rows($result) > 0) {
+  // output data of each row
+  while($row = mysqli_fetch_assoc($result)) {
+    echo "Name : " . $row["firstname"]."<br>";
+  }
+} else {
+  echo "0 results";
+}
+
+
+
+
+mysqli_close($conn);
+?>
\ No newline at end of file
diff --git a/Code/PHP MySQL - MYSQL_AFFECTED_ROWS.php b/Code/PHP MySQL - MYSQL_AFFECTED_ROWS.php
new file mode 100644
index 0000000..bca7430
--- /dev/null
+++ b/Code/PHP MySQL - MYSQL_AFFECTED_ROWS.php	
@@ -0,0 +1,12 @@
+<?php
+$con = mysqli_connect("localhost","root",""); 
+if (!$con)
+{
+    die("Could not connect: " . mysqli_error()); 
+}
+mysqli_select_db("test");
+mysqli_query("DELETE FROM student WHERE student_ID = 11"); 
+$rc = mysqli_affected_rows();
+echo "Records deleted: " . $rc;
+mysqli_close($con); 
+?>
\ No newline at end of file
diff --git a/Code/PHP MySQL - MYSQL_ERROR.php b/Code/PHP MySQL - MYSQL_ERROR.php
new file mode 100644
index 0000000..a8d5e54
--- /dev/null
+++ b/Code/PHP MySQL - MYSQL_ERROR.php	
@@ -0,0 +1,16 @@
+<?php
+$con=mysqli_connect("localhost","root","root","myDB");
+
+if (mysqli_connect_errno()) {
+    echo "Failed to connect to MySQL: " . mysqli_connect_error();
+    exit();
+}
+
+// Perform a query, check for error
+if (!mysqli_query($con,"INSERT INTO Persons (FirstName) VALUES ('Glenn')")) {
+    echo("Error description: " . mysqli_error($con));
+    echo("</br> Errorcode: " . mysqli_errno($con));
+}
+
+mysqli_close($con);
+?>
\ No newline at end of file
diff --git a/Code/PHP MySQL - MYSQL_FETCH_ARRAY.php b/Code/PHP MySQL - MYSQL_FETCH_ARRAY.php
new file mode 100644
index 0000000..b6995a8
--- /dev/null
+++ b/Code/PHP MySQL - MYSQL_FETCH_ARRAY.php	
@@ -0,0 +1,21 @@
+<?php
+$con = mysqli_connect("localhost", "root", ""); 
+if (!$con)
+{
+    die('Could not connect: ' . mysqli_error()); 
+}
+
+$db_selected = mysqli_select_db("test",$con);
+
+$result = mysqli_query("SELECT * from student",$con); 
+print($result);
+print ("<br>");
+print_r(mysqli_fetch_array($result));
+print ("<br>");
+while ($row = mysqli_fetch_array($result, MYSQL_NUM)) 
+{
+    printf("student_ID: %u name: %s batch: %s course: %s", $row[0], $row[1], $row[2],$row[3]);
+    print("<br>"); 
+}
+mysqli_close($con); 
+?>
\ No newline at end of file
diff --git a/Code/PHP MySQL - MYSQL_FETCH_ASSOC.php b/Code/PHP MySQL - MYSQL_FETCH_ASSOC.php
new file mode 100644
index 0000000..b636e57
--- /dev/null
+++ b/Code/PHP MySQL - MYSQL_FETCH_ASSOC.php	
@@ -0,0 +1,20 @@
+<?php
+$con = mysqli_connect("localhost", "root", ""); 
+if (!$con)
+{
+    die('Could not connect: ' . mysqli_error());
+}
+
+$db_selected = mysqli_select_db("test",$con);
+
+$result = mysqli_query("SELECT course,batch FROM student WHERE name = 'student5'");
+if (!$result)
+{
+    echo 'Could not run query: ' . mysqli_error();
+    exit;
+}
+$row = mysqli_fetch_assoc($result);
+echo $row[course]; 
+echo "<br>";
+echo $row[batch]; 
+?>
\ No newline at end of file
diff --git a/Code/PHP MySQL - MYSQL_FETCH_FIELD.php b/Code/PHP MySQL - MYSQL_FETCH_FIELD.php
new file mode 100644
index 0000000..e70e698
--- /dev/null
+++ b/Code/PHP MySQL - MYSQL_FETCH_FIELD.php	
@@ -0,0 +1,26 @@
+<?php
+$con = mysqli_connect("localhost", "root", ""); 
+if (!$con)
+{
+    die('Could not connect: ' . mysqli_error()); 
+}
+$db_selected = mysqli_select_db("test",$con);
+$result = mysqli_query("SELECT * from student",$con);
+while ($property = mysqli_fetch_field($result)) 
+{
+    echo "Field name: " . $property->name . "<br />";
+    echo "Table name: " . $property->table . "<br />";
+    echo "Default value: " . $property->def . "<br />";
+    echo "Max length: " . $property->max_length . "<br />"; 
+    echo "Not NULL: " . $property->not_null . "<br />";
+    echo "Primary Key: " . $property->primary_key . "<br />";
+    echo "Unique Key: " . $property->unique_key . "<br />"; 
+    echo "Mutliple Key: " . $property->multiple_key . "<br />"; 
+    echo "Numeric Field: " . $property->numeric . "<br />"; 
+    echo "BLOB: " . $property->blob . "<br />";
+    echo "Field Type: " . $property->type . "<br />";
+    echo "Unsigned: " . $property->unsigned . "<br />";
+    echo "Zero-filled: " . $property->zerofill . "<br /><br />"; 
+}
+mysqli_close($con); 
+?>
\ No newline at end of file
diff --git a/Code/PHP MySQL - MYSQL_FETCH_OBJECT.php b/Code/PHP MySQL - MYSQL_FETCH_OBJECT.php
new file mode 100644
index 0000000..27cfc54
--- /dev/null
+++ b/Code/PHP MySQL - MYSQL_FETCH_OBJECT.php	
@@ -0,0 +1,14 @@
+<?php
+$con = mysqli_connect("localhost", "root", ""); 
+if (!$con)
+{
+    die('Could not connect: ' . mysqli_error()); 
+}
+$db_selected = mysqli_select_db("test",$con); $sql = "SELECT * from student";
+$result = mysqli_query($sql,$con);
+while ($row = mysqli_fetch_object($result)) 
+{
+    echo $row->name . "<br />"; 
+}
+mysqli_close($con); 
+?>
\ No newline at end of file
diff --git a/Code/PHP MySQL - MYSQL_FETCH_ROW.php b/Code/PHP MySQL - MYSQL_FETCH_ROW.php
new file mode 100644
index 0000000..5195fad
--- /dev/null
+++ b/Code/PHP MySQL - MYSQL_FETCH_ROW.php	
@@ -0,0 +1,18 @@
+<?php
+$con = mysqli_connect("localhost", "root", ""); 
+if (!$con)
+{
+    die('Could not connect: ' . mysqli_error()); 
+}
+$db_selected = mysqli_select_db("test",$con);
+
+$result = mysqli_query("SELECT course,batch FROM student WHERE name = 'student5'");
+if (!$result) 
+{
+    echo 'Could not run query: ' . mysqli_error();
+    exit;
+}
+$row = mysqli_fetch_row($result);
+echo $row[0]; 
+echo $row[1]; 
+?>
\ No newline at end of file
diff --git a/Code/PHP MySQL - MYSQL_FREE_RESULT.php b/Code/PHP MySQL - MYSQL_FREE_RESULT.php
new file mode 100644
index 0000000..3aa886d
--- /dev/null
+++ b/Code/PHP MySQL - MYSQL_FREE_RESULT.php	
@@ -0,0 +1,22 @@
+<?php
+$con = mysqli_connect("localhost", "root", ""); 
+if (!$con)
+{
+    die('Could not connect: ' . mysqli_error());
+}
+$db_selected = mysqli_select_db("test",$con);
+$sql = "SELECT * from student";
+$result = mysqli_query($sql,$con);
+print_r(mysqli_fetch_row($result));
+print ("<br>");
+// Free memory
+mysqli_free_result($result); 
+print(mysqli_num_rows($result));
+$db_selected = mysqli_select_db("asection",$con);
+$sql = "SELECT * from student";
+$result = mysqli_query($sql,$con);
+print_r(mysqli_fetch_row($result)); //mysqli_free_result($result);
+print ("<br>");
+print(mysqli_num_rows($result));
+mysqli_close($con);
+?>
\ No newline at end of file
diff --git a/Code/PHP MySQL - MYSQL_GET_CLIENT_INFO.php b/Code/PHP MySQL - MYSQL_GET_CLIENT_INFO.php
new file mode 100644
index 0000000..8b52b48
--- /dev/null
+++ b/Code/PHP MySQL - MYSQL_GET_CLIENT_INFO.php	
@@ -0,0 +1,3 @@
+<?php
+echo "MySQL client info: " . mysqli_get_client_info();
+?>
\ No newline at end of file
diff --git a/Code/PHP MySQL - MYSQL_GET_RESOURCE_TYPE.php b/Code/PHP MySQL - MYSQL_GET_RESOURCE_TYPE.php
new file mode 100644
index 0000000..05befb3
--- /dev/null
+++ b/Code/PHP MySQL - MYSQL_GET_RESOURCE_TYPE.php	
@@ -0,0 +1,10 @@
+<?php
+// prints: mysql link
+$c = mysqli_connect("localhost", "root", ""); 
+echo $c;
+echo get_resource_type($c) . "<br>";
+// prints: file
+$fp = fopen("foo", "w");
+echo $fp;
+echo get_resource_type($fp) ;
+?>
\ No newline at end of file
diff --git a/Code/PHP MySQL - MYSQL_GET_SERVER_INFO.php b/Code/PHP MySQL - MYSQL_GET_SERVER_INFO.php
new file mode 100644
index 0000000..a912830
--- /dev/null
+++ b/Code/PHP MySQL - MYSQL_GET_SERVER_INFO.php	
@@ -0,0 +1,4 @@
+<?php
+$con = mysqli_connect("localhost", "root", "");
+echo "MySQL server info: " . mysqli_get_server_info($con); 
+?>
\ No newline at end of file
diff --git a/Code/PHP MySQL - MYSQL_LIST_DBS.php b/Code/PHP MySQL - MYSQL_LIST_DBS.php
new file mode 100644
index 0000000..655e0fe
--- /dev/null
+++ b/Code/PHP MySQL - MYSQL_LIST_DBS.php	
@@ -0,0 +1,13 @@
+<?php
+$con = mysqli_connect("localhost", "root", ""); 
+if (!$con)
+{
+    die('Could not connect: ' . mysqli_error()); 
+}
+$db_list = mysqli_list_dbs($con);
+while ($db = mysqli_fetch_object($db_list))
+{
+    echo $db->Database . "<br />";
+}
+mysqli_close($con); 
+?>
\ No newline at end of file
diff --git a/Code/PHP MySQL - MYSQL_NUM_FIELDS.php b/Code/PHP MySQL - MYSQL_NUM_FIELDS.php
new file mode 100644
index 0000000..cb30c66
--- /dev/null
+++ b/Code/PHP MySQL - MYSQL_NUM_FIELDS.php	
@@ -0,0 +1,16 @@
+<?php
+$con = mysqli_connect("localhost", "root", ""); 
+if (!$con)
+{
+    die('Could not connect: ' . mysqli_error()); 
+}
+$db_selected = mysqli_select_db("test",$con);
+$result = mysqli_query("SELECT course,batch FROM student WHERE name = 'student5'");
+
+if (!$result)
+{
+    echo 'Could not run query: ' . mysqli_error();
+    exit; 
+}
+print (mysqli_num_fields($result)); 
+?>
\ No newline at end of file
diff --git a/Code/PHP MySQL - MYSQL_NUM_ROWS.php b/Code/PHP MySQL - MYSQL_NUM_ROWS.php
new file mode 100644
index 0000000..e8e1472
--- /dev/null
+++ b/Code/PHP MySQL - MYSQL_NUM_ROWS.php	
@@ -0,0 +1,7 @@
+<?php
+$link = mysqli_connect("localhost", "root", ""); 
+mysqli_select_db("test", $link);
+$result = mysqli_query("SELECT * FROM student", $link); 
+$num_rows = mysqli_num_rows($result);
+echo "$num_rows Rows\n"; 
+?>
\ No newline at end of file
diff --git a/Code/PHP MySQL - Multiple Database.php b/Code/PHP MySQL - Multiple Database.php
new file mode 100644
index 0000000..0bcdbb5
--- /dev/null
+++ b/Code/PHP MySQL - Multiple Database.php	
@@ -0,0 +1,12 @@
+//Multiple databases can be used at a time.
+
+<?php
+$con = mysqli_connect(“localhost","root","");
+
+$db1 = mysqli_select_db("library"); //DB-1
+$db2 = mysqli_select_db("lib"); //DB-2
+
+$result1 = mysqli_query("select * from book", $db1);
+$result2 = mysqli_query("select * from libbook", $db2);
+mysqli_close($con);
+?>
\ No newline at end of file
diff --git a/Code/PHP MySQL - ORDER BY DESC.php b/Code/PHP MySQL - ORDER BY DESC.php
new file mode 100644
index 0000000..8826137
--- /dev/null
+++ b/Code/PHP MySQL - ORDER BY DESC.php	
@@ -0,0 +1,27 @@
+<?php
+$servername = "localhost";
+$username = "root";
+$password = "root";
+$dbname = "myDB";
+
+// Create connection
+$conn = mysqli_connect($servername, $username, $password, $dbname);
+// Check connection
+if (!$conn) {
+  die("Connection failed: " . mysqli_connect_error());
+}
+
+$sql = "SELECT id, firstname, lastname FROM MyGuests ORDER BY lastname DESC";
+$result = mysqli_query($conn, $sql);
+
+if (mysqli_num_rows($result) > 0) {
+  // output data of each row
+  while($row = mysqli_fetch_assoc($result)) {
+    echo "id: " . $row["id"]. " - Name: " . $row["firstname"]. " " . $row["lastname"]. "<br>";
+  }
+} else {
+  echo "0 results";
+}
+
+mysqli_close($conn);
+?>
\ No newline at end of file
diff --git a/Code/PHP MySQL - ORDER BY.php b/Code/PHP MySQL - ORDER BY.php
new file mode 100644
index 0000000..b994bb8
--- /dev/null
+++ b/Code/PHP MySQL - ORDER BY.php	
@@ -0,0 +1,27 @@
+<?php
+$servername = "localhost";
+$username = "root";
+$password = "root";
+$dbname = "myDB";
+
+// Create connection
+$conn = mysqli_connect($servername, $username, $password, $dbname);
+// Check connection
+if (!$conn) {
+  die("Connection failed: " . mysqli_connect_error());
+}
+
+$sql = "SELECT id, firstname, lastname FROM MyGuests ORDER BY lastname";
+$result = mysqli_query($conn, $sql);
+
+if (mysqli_num_rows($result) > 0) {
+  // output data of each row
+  while($row = mysqli_fetch_assoc($result)) {
+    echo "id: " . $row["id"]. " - Name: " . $row["firstname"]. " " . $row["lastname"]. "<br>";
+  }
+} else {
+  echo "0 results";
+}
+
+mysqli_close($conn);
+?>
\ No newline at end of file
diff --git a/Code/PHP MySQL - SELECT DATA - WHERE -1.php b/Code/PHP MySQL - SELECT DATA - WHERE -1.php
new file mode 100644
index 0000000..c514631
--- /dev/null
+++ b/Code/PHP MySQL - SELECT DATA - WHERE -1.php	
@@ -0,0 +1,28 @@
+ <?php
+ $servername = "localhost";
+ $username = "root";
+ $password = "root";
+ $dbname = "myDB";
+ 
+ // Create connection
+ 
+ // Create connection
+ $conn = new mysqli($servername, $username, $password, $dbname);
+ // Check connection
+ if ($conn->connect_error) {
+  die("Connection failed: " . $conn->connect_error);
+}
+
+$sql = "SELECT id, firstname, lastname FROM MyGuests WHERE lastname='JACK'";
+$result = $conn->query($sql);
+
+if ($result->num_rows > 0) {
+  // output data of each row
+  while($row = $result->fetch_assoc()) {
+    echo "id: " . $row["id"]. " - Name: " . $row["firstname"]. " " . $row["lastname"]. "<br>";
+  }
+} else {
+  echo "0 results";
+}
+$conn->close();
+?>
\ No newline at end of file
diff --git a/Code/PHP MySQL - SELECT DATA-1.php b/Code/PHP MySQL - SELECT DATA-1.php
new file mode 100644
index 0000000..5f517ed
--- /dev/null
+++ b/Code/PHP MySQL - SELECT DATA-1.php	
@@ -0,0 +1,27 @@
+ <?php
+ $servername = "localhost";
+ $username = "root";
+ $password = "root";
+ $dbname = "myDB";
+ 
+ // Create connection
+ $conn = mysqli_connect($servername, $username, $password, $dbname);
+ // Check connection
+ if (!$conn) {
+    die("Connection failed: " . mysqli_connect_error());
+}
+
+$sql = "SELECT * FROM MyGuests";
+$result = mysqli_query($conn, $sql);
+
+if (mysqli_num_rows($result) > 0) {
+    // output data of each row
+    while($row = mysqli_fetch_assoc($result)) {
+        echo "id : " . $row["id"]. " - Name : " . $row["firstname"]. " -eMail ID : " . $row["email"]. "<br>";
+    }
+} else {
+    echo "0 results";
+}
+
+mysqli_close($conn);
+?>
\ No newline at end of file
diff --git a/Code/PHP MySQL - SELECT DATA-2.php b/Code/PHP MySQL - SELECT DATA-2.php
new file mode 100644
index 0000000..ec67fbb
--- /dev/null
+++ b/Code/PHP MySQL - SELECT DATA-2.php	
@@ -0,0 +1,27 @@
+ <?php
+ $servername = "localhost";
+ $username = "root";
+ $password = "root";
+ $dbname = "myDB";
+ 
+ // Create connection
+ $conn = mysqli_connect($servername, $username, $password, $dbname);
+ // Check connection
+ if (!$conn) {
+  die("Connection failed: " . mysqli_connect_error());
+}
+
+$sql = "SELECT id, firstname FROM MyGuests";
+$result = mysqli_query($conn, $sql);
+
+if (mysqli_num_rows($result) > 0) {
+  // output data of each row
+  while($row = mysqli_fetch_assoc($result)) {
+    echo "id: " . $row["id"]. " - Name: " . $row["firstname"]. "<br>";
+  }
+} else {
+  echo "0 results";
+}
+
+mysqli_close($conn);
+?>
\ No newline at end of file
diff --git a/Code/PHP MySQL - SELECT DATABASE.php b/Code/PHP MySQL - SELECT DATABASE.php
new file mode 100644
index 0000000..b100191
--- /dev/null
+++ b/Code/PHP MySQL - SELECT DATABASE.php	
@@ -0,0 +1,6 @@
+<?php
+mysqli_connect("localhost", "jay", "") or die(mysqli_connect_error()); 
+echo "Connection to the server was successful!";
+mysqli_select_db("myDB");
+echo "<br/> Database was selected"; 
+?>
\ No newline at end of file
diff --git a/Code/PHP MySQL - TRUNCATE.php b/Code/PHP MySQL - TRUNCATE.php
new file mode 100644
index 0000000..d533d3d
--- /dev/null
+++ b/Code/PHP MySQL - TRUNCATE.php	
@@ -0,0 +1,23 @@
+ <?php
+ $servername = "localhost";
+ $username = "root";
+ $password = "root";
+ $dbname = "myDB";
+ 
+ // Create connection
+ $conn = mysqli_connect($servername, $username, $password, $dbname);
+ // Check connection
+ if (!$conn) {
+  die("Connection failed: " . mysqli_connect_error());
+}
+
+$sql = "TRUNCATE TABLE MyGuests";
+
+if (mysqli_query($conn, $sql)) {
+  echo "Record updated successfully";
+} else {
+  echo "Error updating record: " . mysqli_error($conn);
+}
+
+mysqli_close($conn);
+?>
\ No newline at end of file
diff --git a/Code/PHP MySQL - UPDATE.php b/Code/PHP MySQL - UPDATE.php
new file mode 100644
index 0000000..eea4038
--- /dev/null
+++ b/Code/PHP MySQL - UPDATE.php	
@@ -0,0 +1,23 @@
+ <?php
+ $servername = "localhost";
+ $username = "root";
+ $password = "root";
+ $dbname = "myDB";
+ 
+ // Create connection
+ $conn = mysqli_connect($servername, $username, $password, $dbname);
+ // Check connection
+ if (!$conn) {
+  die("Connection failed: " . mysqli_connect_error());
+}
+
+$sql = "UPDATE MyGuests SET firstname='ITE1008_OSP'";
+
+if (mysqli_query($conn, $sql)) {
+  echo "Record updated successfully";
+} else {
+  echo "Error updating record: " . mysqli_error($conn);
+}
+
+mysqli_close($conn);
+?>
\ No newline at end of file