create database mysql php if not exists

Tài liệu MySQL® /PHP Database Applications, Second Edition ppt

Tài liệu MySQL® /PHP Database Applications, Second Edition ppt

... you plan on using MySQL with it. If you don’t do this, what we discuss now won’t work. Even if PHP is aware that you’re using MySQL, in your specific scripts you must identify the exact data- base ... Apache so that it can access the PHP language. In addition, you need to have MySQL installed. And PHP has to be able to rec- ognize MySQL. Apache, MySQL, and PHP are provided on the accompanying ... book we discuss MySQL in some detail. In these chapters we mention features available in other relational databases that MySQL does not sup- port. (If you know your way around databases and are...

Ngày tải lên: 20/02/2014, 05:22

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john wiley sons mysql php database applications second

john wiley sons mysql php database applications second

... create_ entry .php. The first thing to do on this page is to check if the form has been submitted. If it has, take the values entered into the form and use them to create a query to send to MySQL. ... Don’t worry about the specifics of the query just yet. Just know that it inserts a row into the database table you created earlier. < ?php include(“dbconnect .php ); if ($_REQUEST[“submit”] == ... Part I: Working with MySQL middleware applications. If MySQL accepted stored procedures (which it unfortu- nately does not — yet), a single PHP command could be sent to the database to query data,...

Ngày tải lên: 05/04/2014, 18:08

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johnwile ysons-mysql php database applications second edition

johnwile ysons-mysql php database applications second edition

... constraint. If the database system is aware of a relationship, it can check to make sure the value being inserted into the foreign-key field exists in the referenced table. If it does not, the database ... whether or not null values are permitted in the col- umn; Key shows if an index was created for the column, and if so what kind; Default shows the default value (if one was indicated in the create ... if this is the case, there’s nothing to pre- vent you from developing with PHP and MySQL. Both products run on Windows 95/98 and Windows NT/2000/XP/CE. But in the real world, almost all PHP/ MySQL...

Ngày tải lên: 05/04/2014, 18:10

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MySQL /PHP Database Applications Second Edition phần 1 doc

MySQL /PHP Database Applications Second Edition phần 1 doc

... you plan on using MySQL with it. If you don’t do this, what we discuss now won’t work. Even if PHP is aware that you’re using MySQL, in your specific scripts you must identify the exact data- base ... if this is the case, there’s nothing to pre- vent you from developing with PHP and MySQL. Both products run on Windows 95/98 and Windows NT/2000/XP/CE. But in the real world, almost all PHP /MySQL ... this: [jay@mybox jay]$ mysql Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 716 to server version: 4.0.1-log Type ‘help’ for help. mysql& gt; create database guestbook; Query...

Ngày tải lên: 12/08/2014, 21:20

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MySQL /PHP Database Applications Second Edition phần 2 pot

MySQL /PHP Database Applications Second Edition phần 2 pot

... 3-2: A create Statement for the users Table CREATE TABLE users ( userid int(10) unsigned NOT NULL auto_increment, fname varchar(25) NOT NULL, lname varchar(25) NOT NULL, addr varchar(255) NOT ... search, you can create an index that covers the two with this statement: create table mytable( id_col int unsigned not null, another_col char(200) not null, index dual_col_index(id_col, another_col) ); The ... whether or not null values are permitted in the col- umn; Key shows if an index was created for the column, and if so what kind; Default shows the default value (if one was indicated in the create...

Ngày tải lên: 12/08/2014, 21:20

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MySQL /PHP Database Applications Second Edition phần 3 potx

MySQL /PHP Database Applications Second Edition phần 3 potx

... Working with PHP Note that the called function must not modify the array itself. ARRAY_DIFF() If given two arrays, this function will return all the elements that are in the first array but not in ... Part II: Working with PHP elseif is technically not the same as else if. If you put that space between the words you will not get an error, but you could conceivably get different behavior. In ... in PHP. The words TRUE and FALSE also carry the expected meanings. if (TRUE) { echo “Yup!”; //this will be printed } if (FALSE) { echo “Nothing doing.”; //this will not be printed } But you’re not...

Ngày tải lên: 12/08/2014, 21:20

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MySQL /PHP Database Applications Second Edition phần 4 pot

MySQL /PHP Database Applications Second Edition phần 4 pot

... view .php, sign .php, and edit .php. The other page of the application is confirm_delete .php, which is called only by edit .php and not by the user directly. You may find the view .php, sign .php, ... mysql_ dbconnect() { $link = @mysql_ connect(‘localhost’,’nobody’,’ydobon’); if ($link === FALSE) { $private_error = mysql_ dbconnect: could not open connection to mysql: ’ .’<li>errno:’ .mysql_ errno() .’<li>error:’ .mysql_ error() ; error_log($private_error, ... file PHP reverts to HTML mode. If code within the file needs to be parsed as PHP, you must first indicate that with the < ?php marker. PHP contain a variety of commands that do slightly different...

Ngày tải lên: 12/08/2014, 21:20

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Bài giảng - Giáo án: apache mysql php

Bài giảng - Giáo án: apache mysql php

... 2.3. Tp lnh ca mysql 2.3. Tp lnh ca mysql ã Cỏc lnh của mysql được lưu trong thư mục {mysql_ dir}\bin Các lệnh của mysql c lu trong th mc {mysql_ dir}\bin ã Nờn a th mc trên ... của MySQL và thực hiện những lệnh vào cửa sổ lệnh của MySQL và thực hiện những lệnh sau sau – show databases show databases ; ; // Xem các csdl hiện có // Xem các csdl hiện có – create database ... die die ( ( ‘Can not connect to server’ ‘Can not connect to server’ ); ); mysql_ query mysql_ query ( ( "SET NAMES 'utf8'" "SET NAMES 'utf8'" ); ); mysql_ query mysql_ query ( ( "SET...

Ngày tải lên: 17/04/2014, 06:10

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Cài đặt và cấu hình Apache - MySQL - PHP - phpMyAdmin

Cài đặt và cấu hình Apache - MySQL - PHP - phpMyAdmin

... cho phpmysql Bước 14. Tìm kiếm các package hỗ trợ php và cài đặt chúng [root@CentOS]# yum search php [root@CentOS]# yum install php -mysql php- gd php- imap php- ldap php- odbc php- pear php- xml ... [root@CentOS]# yum install php [root@CentOS]# rpm –qa | grep php php- cli-5.1.6-27.el5 php- 5.1.6-27.el5 php- common-5.1.6-27.el5 Bước 8. Xem file cấu hình module php cho dịch vụ web [root@CentOS]# ... install mysql mysql-server [root@CentOS]# mysql –version Bước 11. Start mysql server: [root@CentOS]# /etc/init.d/mysqld start Bước 12. Set lại pass của root cho mysql [root@CentOS]# mysqladmin...

Ngày tải lên: 08/05/2014, 12:35

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mysql & php

mysql & php

... lỗi: int mysql_ errno($conn)  Thông điệp lỗi: string mysql_ error($conn)  Ví dụ:  $conn = mysql_ connect($server, $usr, $pwd); if ($conn == null) { print('Error ' . mysql_ errno($conn) ... từng hàng kết quả:  array mysql_ fetch_array($result, $type)  $type: kiểu chỉ số mảng  MYSQL_ ASSOC: chỉ số bằng tên thuộc tính  MYSQL_ NUM: chỉ số bằng số thứ tự  MYSQL_ BOTH: cả hai chỉ số ... src="< ?php print($logo_img); ?>" /> </body> </html> 7 EE4509, EE4253, EE6133 – HK1 2013/2014 TS. Đào Trung Kiên – ĐH Bách khoa Hà Nội MySQL với PHPPHP cung...

Ngày tải lên: 08/05/2014, 16:30

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MySQL & PHP doc

MySQL & PHP doc

... lỗi: string mysql_ error($conn)  Ví dụ:  $conn = mysql_ connect($server, $usr, $pwd); if ($conn == null) { print('Error ' . mysql_ errno($conn) . ': ' . mysql_ error($conn)); ... 'myweb'; $conn = mysql_ connect($server, $usr, $pwd); if ($conn == null) exit(&apos ;Database error'); mysql_ select_db($db_name); // Do stuff mysql_ close($conn); 12 EE4509, ... $result = mysql_ query('select ID, NICKNAME, NAME from USER‘, $conn); if ($result == FALSE) handle_error($conn); $row = mysql_ fetch_array($result, MYSQL_ NUM); $num_rows = mysql_ num_rows($result);...

Ngày tải lên: 28/06/2014, 05:20

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Bài giảng: Apache & MySQL & PHP ppt

Bài giảng: Apache & MySQL & PHP ppt

... http://www.apache.org 9 Biên dịch: PHP: http://www .php. net 9 Hệ quản trị CSDL: MySQL www .mysql. com 9 Hỗ trợ quản lý CSDL MySql – MySql Control – PHPMyAdmin (web) – SQL Manager – Navicat MySQL 9 Hỗ trợ soạn ... đi ề ề u khi u khi ể ể n n 9 Rẽ nhánh với if … else if ($a > $b) { echo "a > b"; $a = $b; } else { echo "a <= b"; $b = $a; } if if ( ( $a $a > > $b $b ): ): echo echo "a ... nhất của MySQL tại địa chỉ: http://www .mysql. com 9 Các phiên bản 3.x, 4x và 5.x (mới nhất) khác nhau về kiến trúc. Chi tiết xin xem trong feature log. C C à à i đ i đ ặ ặ t Apache, PHP, MySQL t...

Ngày tải lên: 05/07/2014, 03:20

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