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Mysql PHP Where

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Mysql PHP Where is used to insert the records from database and print the records specified value in PHP.

Mysql PHP Where

     

Mysql PHP Where is used to insert the records from database and print the records specified  value in PHP.

Understand with Example

The Tutorial illustrate an example from 'Mysql PHP Where'. To understand and grasp the example we create a table 'MyTable' with required fieldname and datatypes respectively.

Query for creating table named MyTable:

mysql> CREATE TABLE MyTable (
    ->              Empid int(10),
    ->              Empname varchar(60),
    ->              Salary int(90)
    ->            );
Query OK, 0 rows affected (0.13 sec)

Query for inserting data in table:

The insert into is used to add the records or rows to the table 'MyTable'.

mysql>   insert into MyTable values(01,'Girish','20000');
Query OK, 1 row affected (0.02 sec)
mysql>   insert into MyTable values(10,'Komal','20000');
Query OK, 1 row affected (0.01 sec)
mysql>   insert into MyTable values(02,'Amit','21000');
Query OK, 1 row affected (0.01 sec)
mysql>   insert into MyTable values(03,'CH','22000');
Query OK, 1 row affected (0.00 sec)
mysql>     insert into MyTable values(04,'V','23000');
Query OK, 1 row affected (0.00 sec)
mysql>     insert into MyTable values(05,'B','24000');
Query OK, 1 row affected (0.00 sec)
mysql>     insert into MyTable values(06,'E','25000');
Query OK, 1 row affected (0.00 sec)
mysql>     insert into MyTable values(07,'Q','26000');
Query OK, 1 row affected (0.01 sec)
mysql>     insert into MyTable values(08,'W','27000');
Query OK, 1 row affected (0.01 sec)
mysql>     insert into MyTable values(09,'AS','28000');
Query OK, 1 row affected (0.00 sec)`

Query to view data inserted in table:-

mysql> select * from mytable;
+-------+---------+--------+
| Empid | Empname | Salary |
+-------+---------+--------+
| 1     | Girish  |  20000 |
| 10    | Komal   |  20000 |
| 2     | Amit    |  21000 |
| 3     | CH      |  22000 |
| 4     | V       |  23000 |
| 5     | B       |  24000 |
| 6     | E       |  25000 |
| 7     | Q       |  26000 |
| 8     | W       |  27000 |
| 9     | AS      |  28000 |
+-------+---------+--------+
10 rows in set (0.00 sec)

Searching data from the table data using Mysql php where:

The code connect the front end in PHP to the backend Mysql database. The front end fetches the records from Mysql database and print the records in browser on the basis of condition specified in WHERE Clause.

<?php
$database="girish";
$user="root";
$password="root";
$host="192.168.10.126";
$link= mysql_connect($host,$user,$password) or die("Could not connect: ".mysql_error());
mysql_select_db($database,$link) or die("Error in selecting the database:".mysql_error());
$sql="select * from mytable where Empname like \"%h\"";
mysql_query($sql,$link) or exit("Sql Error".mysql_error());
$sql_result=mysql_query($sql,$link) or exit("Sql Error".mysql_error());

$sql_num=mysql_num_rows($sql_result);
echo "<table border=\"1\" bgcolor=\"#CCCCFF\" >";
echo "<tr><td><b>Empid</b></td><td><b>Empname</b></td><td><b>Salary</b></td>" ;
while($sql_row=mysql_fetch_array($sql_result))
{
$Empid=$sql_row["Empid"];
$Empname=$sql_row["Empname"];
$Salary=$sql_row["Salary"];
echo "<tr>";
echo "<td>".$Empid."</td>";
echo "<td>".$Empname."</td>";
echo "<td>".$Salary."</td>";
echo "</tr>";
} 
echo "</table>";
?>

Output:-

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Posted on: April 3, 2006

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