09-02-2011
8 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
Hello everyone!
First I would like to say that I am very glad that I found this forum, and by some of the posts I have viewed, I see that I can learn a lot from you all!
Secondly, I know next to nothing about Linux/Unix (gotta learn sometime right?) and need some assistance.
I am a... (5 Replies)
Discussion started by: kolton
5 Replies
2. Programming
Hi there,
I have a hierarchical database that include 4 tables. Table A is the parent of B, B is Parent of C, C is parent of D. If I want to query everything in D that is associated with A.name, how do I do that? Thanks!
YanYan (0 Replies)
Discussion started by: pinkgladiator
0 Replies
3. Virtualization and Cloud Computing
Hello all,
I completed a website (it was code by php) and putted it to AWS, I install fedora instance in EC2 with the base is php and mysql.
I putted all files of my website to folder /home/webuser/helloworld/htddocs and my database (mysql) to folder /var/lib/mysql/test ("test" is my... (2 Replies)
Discussion started by: hero132
2 Replies
4. Web Development
I can't use mysql .How should i config the file of php.ini . the message:
Fatal error: Call to undefined function mysql_errno() in /var/www/html/inc/dv_clssql.php on line 129
how should i do? please help me (2 Replies)
Discussion started by: fang_xiaoan
2 Replies
5. Shell Programming and Scripting
Hi,
I need to query Oracle database for 100 users. I have these 100 users in a file. I need a shell script which would read this User file (one user at a time) & query database.
For instance:
USER CITY
--------- ----------
A CITY_A
B CITY_B
C ... (2 Replies)
Discussion started by: DevendraG
2 Replies
6. Programming
Hello
i have created mysql query to compare to values and get difference in percentage
as following:
SELECT file_name, 100 - ((100 * (SELECT file_count FROM xipi_files z WHERE x.file_group = z.file_group AND x.file_name = z.file_name AND z.insert_date = CURDATE( ) - INTERVAL 1 DAY)) /... (1 Reply)
Discussion started by: mogabr
1 Replies
7. Programming
Hi All,
i have a table in mysql with the following data
Table name Test
Assettype Serial_No Status location
Mouse 123456 In Stock chennai
Mouse 98765 Allocated chennai
Keyboard ... (2 Replies)
Discussion started by: venkitesh
2 Replies
8. UNIX for Beginners Questions & Answers
I would like to call a .sql file from a .sh file in linux. The .sql file will contain queries to MySQL database.
I am able to call the .sql file by running .sh file in linux, but the sql query is not working. Below is my syntax. The select statement is throwing below error.
./sample.sql: line... (1 Reply)
Discussion started by: qytan
1 Replies
LEARN ABOUT PHP
pdo_mysql-dsn
PDO_MYSQL-DSN(3) 1 PDO_MYSQL-DSN(3)
PDO_MYSQL DSN - Connecting to MySQL databases
The PDO_MYSQL Data Source Name (DSN) is composed of the following elements:
o DSN prefix
- The DSN prefix is mysql:.
o host - The hostname on which the database server resides.
o port - The port number where the database server is listening.
o dbname - The name of the database.
o unix_socket - The MySQL Unix socket (shouldn't be used with host or port).
o charset - The character set. See the character set concepts documentation for more information. Prior to PHP 5.3.6, this element
was silently ignored. The same behaviour can be partly replicated with the PDO::MYSQL_ATTR_INIT_COMMAND driver option, as the fol-
lowing example shows.
Warning
The method in the below example can only be used with character sets that share the same lower 7 bit representation as
ASCII, such as ISO-8859-1 and UTF-8. Users using character sets that have different representations (such as UTF-16 or Big5)
must use the charset option provided in PHP 5.3.6 and later versions.
Example #1
Setting the connection character set to UTF-8 prior to PHP 5.3.6
<?php
$dsn = 'mysql:host=localhost;dbname=testdb';
$username = 'username';
$password = 'password';
$options = array(
PDO::MYSQL_ATTR_INIT_COMMAND => 'SET NAMES utf8',
);
$dbh = new PDO($dsn, $username, $password, $options);
?>
+--------+-----------------------------------------------+
|Version | |
| | |
| | Description |
| | |
+--------+-----------------------------------------------+
| 5.3.6 | |
| | |
| | Prior to version 5.3.6, charset was ignored. |
| | |
+--------+-----------------------------------------------+
Example #2
PDO_MYSQL DSN examples
The following example shows a PDO_MYSQL DSN for connecting to MySQL databases:
mysql:host=localhost;dbname=testdb
mysql:host=localhost;port=3307;dbname=testdb
mysql:unix_socket=/tmp/mysql.sock;dbname=testdb
Note
Unix only:
When the host name is set to "localhost", then the connection to the server is made thru a domain socket. If PDO_MYSQL is compiled
against libmysqlclient then the location of the socket file is at libmysqlclient's compiled in location. If PDO_MYSQL is compiled
against mysqlnd a default socket can be set thru the pdo_mysql.default_socket setting.
PHP Documentation Group PDO_MYSQL-DSN(3)