Mysql

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MySQL function library: mysql_field_name

Mysql_field_http://www.aliyun.com/zixun/aggregation/11696.html ">name (PHP3, PHP4) mysql_field_name---Get the name of the specified field Syntax: string mysql_field_name (int result, int field_index) Description: MySQL ...

php Chinese garbled problems and MySql Chinese garbled solution

Chinese garbled problems and mysql tutorial Chinese garbled solution <html> <head> <title> </ title> </ head> <body> <? php $ mysql_server_name = 'localhost'; $ mysql_username = 'root' ; $ mysql_password = '000 ...

MySQL forgot root password correct solution

mysql tutorial Forget the root password correct solution is introduced Mysql forget root password correct solution, we all know that in actual operation forget the password is a very troublesome thing, the following is the correct solution to this problem is given Programs, hope you will be rewarded after browsing. mysql forget the root password solution: Under the windows: open the command line window, stop the mysql service: net stop mysql start mysql, generally to my ...

Modify the maximum number of mysql connection

Modify the maximum number of connections mysql The maximum number of connections mysql default is 100, the maximum can reach 16384. Setting method: Method 1 / etc path, find the MY.INI file, modify [mysqld] followed by: set-variable = max_connections = 500 Save and exit, restart MYSQL, OK! Method two in the MYSQL running environment, the Executive Set global max_connection ...

MySQL does not use the rand () function to implement random read database records method

The MySQL tutorial does not use the rand () function to randomly read the database tutorial records, as well as Google the relevant files, found that everyone almost exclusively using ORDER by RAND () to achieve this, but in fact there are very serious performance problems. If your database has only hundreds of, and the number of calls is not many times, you love what method to use what method. But if you have 100,000 or 1 million or more data, then each time you execute the SQL with ORDER by rand () ...

phpMyAdmin a very famous MySQL software Management Pack

phpMyAdmin is a very famous MySQL software management package. To use it you should install and set php,http://www.aliyun.com/zixun/aggregation/14417.html ">apache and PHP MySQL (or mysqli) Scope See apachemysqlphp use instructions. Install from Universe Software Library from package phpMyAdmin See inst ...

MySQL function library: mysql_db_query

Mysql_db_query (PHP3, PHP4) mysql_db_query---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Send out MySQL query syntax: int mysql_db_query (string database, string query [, int link_id ...

php mysql get all the table name of the specified database

php mysql tutorial to get all the specified database table name If you want to display mysql a specified database table name is very simple, mysql provides a show tables command, it returns a data, let me look at the detailed examples, Tested fully available * / $ cn = mysql_connect ('localhost', 'root', 'root'); mysql_select_db ('test', $ cn); print_r ...

Some commonly used MySQL command to collect and organize

MySQL command line is to learn the MySQL database must master the knowledge, here is to introduce you to 10 easy-to-use MySQL command line, I hope you learn MySQL command line can help. 1, the structure of the display data table: mysql> DESCRIBE table name; (DESC table name) 2, the establishment of data tables: mysql> USE library name; / / enter the database mysql> CREATE TABLE table name (field name VA ...

How to reset the root user's password in MySQL database

If you have never set a root password for MySQL, the server does not require a password when connecting as root. However, it is recommended that you set a password for each account. If you have previously set the root user password, but forgot the password, you can set a new password. The following steps are for the Windows platform. The rest of this section covers the steps for the Unix platform. On Windows platforms, this step is: Log in to the system as an administrator. Stop the MySQL server if it is running. For as ...

PHP processing from MySQL to export data to XLS garbled

PHP Tutorial Excel class from the MySQL tutorial to export data to XLS garbled $objPHPExcel->setactivesheetindex (0)->setcellvalue (' A1 ', iconv (' GBK ', '   Utf-8 ', ' Chinese Hello ')->setcellvalue (' B2 ', ' world! ') ->setcell ...

MySQL sometimes forget the password how to do?

MySQL sometimes forget the password how to do? I give a case and explanation!   The actual operation under Windows is as follows 1. Close running MySQL.   2. Open the DOS window and go to the Mysqlbin directory. 3. Enter Mysqld--skip-grant-tables carriage return.   If you don't get a hint, that's it.   4. Open a DOS window again (because the DOS window is already unable to move), go to the Mysqlbin directory. ...

MySQL function library: mysql_affected_rows

Mysql_affected_rows (PHP3, PHP4) mysql_affected_rows---&http://www.aliyun.com/zixun/aggregation/37954.html " >nbsp; Get the number of columns affected by the previous operation MySQL syntax: int mysql_affected_rows ([int link_identif ...

Mysql easy to solve problems in the case

The following article mainly introduces Mysql case-sensitive solution to some of the problems, this article is through Mysql sensitivity to its detailed study, the following is the article on the specific content of a detailed introduction, hope you browse after Mysql case-related issues have a better understanding. Database and Table Names In MySQL, databases and tables correspond to directories and files in those directories. Therefore, the inherent operating system sensitivity determines the case sensitivity of the database and table names. This means that the database and table names on Unix are ...

Several MySQL garbled problem handling

Several mysql tutorial garbled problem handling methods 1 set php tutorial myadmin language: chinese simplified (zh-utf-8) mysql character set: utf-8 unicode (utf8) mysql connection proofing: gbk_chinese_ci 2 to create a database tutorial set to gbk_chinese_ci 3 Sql build table engine = myisa ...

Php+mysql How to convert a datasheet to Excel output

PHP Tutorial MySQL Tutorial How to convert a datasheet to excel output $xlsname = "pour out information"; Header ("Content-type:application/vnd.ms-excel");  Header ("Content-disposition:filename= $xlsname. xls"); ?>.

php mysql export csv excel format and save

php tutorial mysql tutorial Export csv excel format file and save This is a paragraph I used in my own time to use a php export mysql database tutorial save the data into a csv file and provide download, the principle is very simple to mysql data found out, Then save it to a .csv file in csv format so that's ok. * / $ times = time (); $ filename = $ times. ". csv"; & nbsp; ...

Mysql limit the use of detailed explanation

Mysql limit usage: When we use the query, often to return to the first few or a few lines in the middle of the data, how to do this time? Do not worry, mysql has provided us with such a function. SELECT * FROM table LIMIT [offset,] rows | rows OFFSET & nbs ...

Php+mysql Page Paging Code

In the PHP tutorial +mysql Tutorial Database Tutorial in the paging code than the previous ASP tutorials, the ASP.net tutorial is relatively easy, because MySQL support limit,0,n so that you can easily and quickly get the records to read, so let's look at the instance function  GetPage ($talbe, $choose, $url) {global $page, $db, $sortname; $query = $db->quer ...

Get MySQL change character set scheme

Do you have a headache for getting MySQL to change the character set? Don't worry, the following article will give you the correct solution, the following article is mainly introduced to get the MySQL change character set scheme, the following is the specific description of the relevant content.   ROR+MYSQL5 UTF8 collocation problem Solution C # +mysqldriver.dll garbled problem 1, with the SET syntax to specify, do not add "GLOBAL" is only valid for this session. ...

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