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MYSQL Tutorial

MySQL SPACE() function

SPACE() function

MySQL SPACE() returns the string containing a number of spaces specified as an argument.

Syntax:

SPACE(N)

Video Presentation

Argument

Name Description
N An integer indicating how many spaces are being contained.

Example -1: MySQL SPACE() function

Code:

SELECT 'start', SPACE(10), 'end'; 

Explanation

The above MySQL statement returns a string containing 10 number of spaces displayed in column alias SPACE(10) in the output.

Sample Output:

mysql> SELECT 'start', SPACE(10), 'end';
+-------+------------+-----+
| start | SPACE(10)  | end |
+-------+------------+-----+
| start |            | end | 
+-------+------------+-----+
1 row in set (0.00 sec)

Example -2: MySQL SPACE() function

The above MySQL statement returns a string containing 10 number of spaces as column alias space(10) along with columns ‘aut_id’ and ‘aut_name’ for those rows from the table author which have the column value of country as the ‘USA’.

Code:

SELECT aut_id,aut_name,aut_id,space(10), aut_name 
FROM author 
WHERE country='USA';  

Sample table: author


Sample Output:

mysql> SELECT aut_id,aut_name,aut_id,space(10), aut_name 
    -> FROM author 
    -> WHERE country='USA';
+--------+---------------+--------+------------+---------------+
| aut_id | aut_name      | aut_id | space(10)  | aut_name      |
+--------+---------------+--------+------------+---------------+
| AUT006 | Thomas Merton | AUT006 |            | Thomas Merton | 
| AUT008 | Nikolai Dewey | AUT008 |            | Nikolai Dewey | 
| AUT010 | Joseph Milton | AUT010 |            | Joseph Milton | 
| AUT015 | Butler Andre  | AUT015 |            | Butler Andre  | 
+--------+---------------+--------+------------+---------------+
4 rows in set (0.00 sec)

PHP script

<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>example-space-function - php mysql examples | w3resource</title>
<meta name="description" content="example-space-function - php mysql examples | w3resource">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css">
</head>
<body>
<div class="container">
<div class="row">
<div class="col-md-12">
<h2>A list of Authors those who belong to USA. Second column shows the home city of the Author. Trailing spaces are removed from the right of the Author's name:</h2>
<table class='table table-bordered'>
<tr>
<th>Author's id</th><th>Author's name</th><th>Author's id</th><th>Space (10)</th><th>Author's name</th>
</tr>
<?php
$hostname="your_hostname";
$username="your_username";
$password="your_password";
$db = "your_dbname";
$dbh = new PDO("mysql:host=$hostname;dbname=$db", $username, $password);
foreach($dbh->query('SELECT aut_id,aut_name,aut_id,space(10),aut_name 
FROM  author WHERE country="USA"') as $row) {
echo "<tr>";
echo "<td>" . $row['aut_id'] . "</td>";
echo "<td>" . $row['aut_name'] . "</td>";
echo "<td>" . $row['aut_id'] . "</td>";
echo "<td>" . $row['space(10)'] . "</td>";
echo "<td>" . $row['aut_name'] . "</td>";
echo "</tr>"; 
}
?>
</tbody></table>
</div>
</div>
</div>
</body>
</html>

View the example in browser

JSPscript

<%@page contentType="text/html" pageEncoding="UTF-8"%>
<%@ page import="java.sql.*" %>
<%@ page import="java.io.*" %>
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>example-space-function</title>
</head>
<body>
<%
try {
Class.forName("com.mysql.jdbc.Driver").newInstance();
String Host = "jdbc:mysql://localhost:3306/w3resour_bookinfo";
Connection connection = null;
Statement statement = null;
ResultSet rs = null;
connection = DriverManager.getConnection(Host, "root", "datasoft123");
statement = connection.createStatement();
String Data ="SELECT aut_id,aut_name,aut_id,space(10),aut_name FROM  author WHERE country='USA'";
rs = statement.executeQuery(Data);
%>
<TABLE border="1">
<tr width="10" bgcolor="#9979">
<td>Author's id	</td>
<td>Author's name</td>
<td>Author's id</td>
<td>Space (10)</td>
<td>Author's name)</td>
</tr>
<%
while (rs.next()) {
%>
<TR>
<TD><%=rs.getString("aut_id")%></TD>
<TD><%=rs.getString("aut_name")%></TD>
<TD><%=rs.getString("aut_id")%></TD>
<TD><%=rs.getString("space(10)")%></TD>
<TD><%=rs.getString("aut_name")%></TD>
</TR>
<%   }    %>
</table>
<%
rs.close();
statement.close();
connection.close();
} catch (Exception ex) {
out.println("Cant connect to database.");
}
%>
</body>
</html>

All String Functions

MySQL String Functions, slide presentation


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