updated

Code/PHP MySQL - AND - OR and NOT Operators.php

@@ -0,0 +1,46 @@
+<?php
+// Create connection
+$con = mysqli_connect(localhost, 'root', 'root', 'myDB');
+
+// Check connection
+if (!$con) {
+    die('Connection failed: ' . mysqli_connect_error());
+}
+
+//AND OPERATOR --------------------------------------
+echo '<h4>mySQL - AND operator</h4>';
+$result = mysqli_query($con, "SELECT * from student WHERE course = 'mba' AND location='vellore'");
+while ($row = mysqli_fetch_array($result, MYSQLI_NUM)) {
+    printf('%s - %s - %s - %s -  %s -  %s - %s ', $row[0], $row[1], $row[2], $row[3], $row[4], $row[5], $row[6], $row[7]);
+    printf('<br>');
+}
+
+print '<hr>';
+
+//OR OPERATOR --------------------------------------
+
+echo '<h4>mySQL - OR operator</h4>';
+$result = mysqli_query($con, "SELECT * from student WHERE course = 'PHD' OR location='OHIO' OR age='30'");
+while ($row = mysqli_fetch_array($result, MYSQLI_NUM)) {
+    printf('%s - %s - %s - %s -  %s -  %s - %s ', $row[0], $row[1], $row[2], $row[3], $row[4], $row[5], $row[6], $row[7]);
+    printf('<br>');
+}
+
+print '<hr>';
+
+//NOT OPERATOR --------------------------------------
+echo '<h4>mySQL - NOT operator</h4>';
+$result = mysqli_query($con, "SELECT * from student WHERE NOT course = 'mba' AND location='vellore'");
+while ($row = mysqli_fetch_array($result, MYSQLI_NUM)) {
+    printf('%s - %s - %s - %s -  %s -  %s - %s ', $row[0], $row[1], $row[2], $row[3], $row[4], $row[5], $row[6], $row[7]);
+    printf('<br>');
+}
+print '<hr>';
+//TWO NOT OPERATOR --------------------------------------
+echo '<h4>mySQL - NOT operator - TWO TIMES</h4>';
+$result = mysqli_query($con, "SELECT * from student WHERE NOT course = 'mba' AND NOT location='vellore'");
+while ($row = mysqli_fetch_array($result, MYSQLI_NUM)) {
+    printf('%s - %s - %s - %s -  %s -  %s - %s ', $row[0], $row[1], $row[2], $row[3], $row[4], $row[5], $row[6], $row[7]);
+    printf('<br>');
+}
+mysqli_close($conn);

Code/PHP MySQL - BETWEEN FUNCTION.php

@@ -0,0 +1,61 @@
+<?php
+// Create connection
+$con = mysqli_connect(localhost, 'root', 'root', 'myDB');
+
+// Check connection
+if (!$con) {
+    die('Connection failed: ' . mysqli_connect_error());
+}
+
+//BETWEEN Function --------------------------------------
+echo '<h4>mySQL - BETWEEN Function </h4>';
+$result = mysqli_query($con, 'SELECT RegNo, AGE from student WHERE AGE BETWEEN 20 AND 30');
+while ($row = mysqli_fetch_array($result, MYSQLI_NUM)) {
+    printf('%s ----  %s', $row[0], $row[1]);
+    echo '<br>';
+}
+
+print '<hr>';
+
+//NOT BETWEEN Function --------------------------------------
+echo '<h4>mySQL - NOT BETWEEN Function </h4>';
+$result = mysqli_query($con, 'SELECT RegNo, AGE from student WHERE AGE NOT BETWEEN 20 AND 30');
+while ($row = mysqli_fetch_array($result, MYSQLI_NUM)) {
+    printf('%s ----  %s', $row[0], $row[1]);
+    echo '<br>';
+}
+
+print '<hr>';
+
+// BETWEEN - TEXT VALUE Function --------------------------------------
+echo '<h4>mySQL - BETWEEN - TEXT VALUE Function </h4>';
+$result = mysqli_query($con, "SELECT RegNo, FIRSTNAME from student WHERE FIRSTNAME BETWEEN 'A' AND 'D'");
+while ($row = mysqli_fetch_array($result, MYSQLI_NUM)) {
+    printf('%s ----  %s', $row[0], $row[1]);
+    echo '<br>';
+}
+
+print '<hr>';
+
+//NOT BETWEEN  - TEXT VALUE Function --------------------------------------
+echo '<h4>mySQL - NOT BETWEEN Function </h4>';
+$result = mysqli_query($con, "SELECT RegNo, FIRSTNAME from student WHERE FIRSTNAME NOT BETWEEN 'A' AND 'P'");
+while ($row = mysqli_fetch_array($result, MYSQLI_NUM)) {
+    printf('%s ----  %s', $row[0], $row[1]);
+    echo '<br>';
+}
+
+print '<hr>';
+
+//BETWEEN  - DATE Function --------------------------------------
+echo '<h4>mySQL - DATE BETWEEN Function </h4>';
+$result = mysqli_query($con, "SELECT RegNo, FIRSTNAME from student WHERE FIRSTNAME BETWEEN '2020-01-01' AND '2021-03-31' ");
+while ($row = mysqli_fetch_array($result, MYSQLI_NUM)) {
+    printf('%s ----  %s', $row[0], $row[1]);
+    echo '<br>';
+}
+
+print '<hr>';
+
+mysqli_close($con);
+?>

Code/PHP MySQL - BETWEEN WITH IN FUNCTION.php

@@ -0,0 +1,43 @@
+<?php
+// Create connection
+$con = mysqli_connect(localhost, 'root', 'root', 'myDB');
+
+// Check connection
+if (!$con) {
+    die('Connection failed: ' . mysqli_connect_error());
+}
+
+
+//BETWEEN with IN Function --------------------------------------
+echo '<h4>mySQL - BETWEEN with IN Function  </h4>';
+$result = mysqli_query($con, "SELECT RegNo, AGE from student WHERE AGE BETWEEN 20 AND 30 AND COURSE IN ('MBA')");
+while ($row = mysqli_fetch_array($result, MYSQLI_NUM)) {
+    printf('%s ----  %s', $row[0], $row[1]);
+    echo '<br>';
+}
+
+print '<hr>';
+
+//BETWEEN with NOT IN Function --------------------------------------
+echo '<h4>mySQL - BETWEEN with NOT IN Function  </h4>';
+$result = mysqli_query($con, "SELECT RegNo, AGE from student WHERE AGE BETWEEN 20 AND 30 AND COURSE NOT IN ('MBA')");
+while ($row = mysqli_fetch_array($result, MYSQLI_NUM)) {
+    printf('%s ----  %s', $row[0], $row[1]);
+    echo '<br>';
+}
+
+print '<hr>';
+
+
+//BETWEEN with NOT IN Function - OR OPERATOR --------------------------------------
+echo '<h4>mySQL - BETWEEN with NOT IN Function - OR OPERATOR  </h4>';
+
+$result = mysqli_query($con, "SELECT COURSE, AGE from student WHERE AGE BETWEEN 20 AND 30 OR COURSE NOT IN ('MBA')");
+
+while ($row = mysqli_fetch_array($result, MYSQLI_NUM)) {
+    printf('%s ----  %s', $row[0], $row[1]);
+    echo '<br>';
+}
+
+mysqli_close($con);
+?>

Code/PHP MySQL - CREATE DATABASE CONNECTION.php

@@ -0,0 +1,8 @@
+<?php
+$con = mysqli_connect("localhost", "root", "root");
+if (!$con) {
+    die("Connection failed:" . mysqli_connect_error());
+}
+echo "Connected successfully";
+mysqli_close($con);
+?>

Code/PHP MySQL - CREATE DATABASE.php

@@ -1,21 +1,13 @@
- <?php
- $servername = "localhost";
- $username = "jay";
- $password = "";
-
- // Create connection
- $conn = mysqli_connect($servername, $username, $password);
- // Check connection
- if (!$conn) {
-    die("Connection failed: " . mysqli_connect_error());
+<?php
+$con = mysqli_connect("localhost", "root", "root");
+if (!$con) {
+    die('Could not connect: ' . mysqli_connect_error());
 }
-
-// Create database
 $sql = "CREATE DATABASE myDB";
-if (mysqli_query($conn, $sql)) {
+if (mysqli_query($con, $sql)) {
     echo "Database created successfully";
 } else {
-    echo "Error creating database: " . mysqli_error($conn);
+    echo "Error creating database:  " . mysqli_errno($con);
 }
 
 mysqli_close($conn);

Code/PHP MySQL - CREATE TABLE - 1.php

@@ -0,0 +1,29 @@
+<?php
+//Connection
+$con = mysqli_connect("localhost", "root", "root");
+if (!$con) {
+    die('Could not connect: ' . mysqli_connect_error());
+} else {
+    echo "Connection Connected <br>";
+}
+
+//Database Selection
+
+//mysqli_select_db($con, "myDBdd");
+if (mysqli_select_db($con, "myDB")) {
+    echo "Database Selected Successfully <br>";
+} else {
+    echo "Error in Selecting the Database <br>", mysqli_errno($con);
+}
+
+//Table Creation
+
+$sql = "create table student (FirstName varchar(25), LastName varchar(25), Age varchar(3))";
+
+if (!mysqli_query($con, $sql)) {
+    die('Error: ' . mysqli_errno($con));
+}
+echo "Table Created Successfully";
+
+mysqli_close($con);
+?>

Code/PHP MySQL - CREATE TABLE - 2 - PRIMARY KEY AND NOT NULL.php

@@ -0,0 +1,35 @@
+<?php
+//Connection
+$con = mysqli_connect('localhost', 'root', 'root');
+if (!$con) {
+    die('Could not connect: ' . mysqli_connect_error());
+} else {
+    echo 'Connection Connected <br>';
+}
+
+//Database Selection
+
+//mysqli_select_db( $con, 'myDBdd' );
+if (mysqli_select_db($con, 'myDB')) {
+    echo 'Database Selected Successfully <br>';
+} else {
+    echo 'Error in Selecting the Database <br>', mysqli_errno($con);
+}
+
+//Table Creation
+
+$sql = "create table student (
+    RegNo varchar(25) NOT NULL,
+    FirstName varchar(25), 
+    LastName varchar(25), 
+    Age varchar(3),
+    PRIMARY KEY (RegNo)
+    )";
+
+if (!mysqli_query($con, $sql)) {
+    die('Error: ' . mysqli_errno($con));
+}
+echo 'Table Created Successfully';
+
+mysqli_close($con);
+?>