data base
MySQL statement creates database and database table 1. Use the SHOW statement to find out what database currently exists on the server: mysql>SHOWDATABASES two thousand and eleven five thousand eight hundred and ninety-four Detailed explanation of pure IP database format Since the IP database came into being, the display IP function attached to QQ also came into being. I have a rather narrow experience. It is unknown whether there are other applications. However, the IP database is really a good thing. I think the most popular IP database on the network today should be a pure version (don't beat me if you are wrong). So far, the number of IP records has been close to 30000. For some IPs, it is not too happy that they can even be accurate to the floor two thousand and eleven three thousand four hundred and sixty-five SQL Clause Details Where is different from having1. The WHERE clause acts on tables and views, and the HAVING clause acts on groups. eg:SELECTcityFROMweatherWHEREtemp_ lo=(SELECTmax(temp_lo)FROMweather); 2. WHERE selects input lines before grouping and aggregation calculation two thousand and eleven four thousand six hundred and thirty-one Various database connection codes in ASP MSAccess database connection uses DSN connection and does not have user name and password two thousand and eleven four thousand five hundred and one Solve the problem of Chinese garbled code in MySQL database MySQL Front: charset: UTF-8Unicode (utf8) collaboration: UTF8_ general_ The ci source code file code is set to UTF-8, and the database content is displayed normally on the web page. However, when viewing the database content with mysql front, all Chinese content in the database is garbled. In the console mode, the contents of the viewed database are also garbled two thousand and eleven four thousand four hundred and eighty Method of building PHP running environment 1 -- Extract the PHP package to D:/php 2 -- Install Apache to D disk networkdomain: localhostservername: localhostadministrator 'semailaddress: toyean@msn.com3--- Put php5apache2 under PHP_ 2. Copy the dll file to apache/modules two thousand and ten five thousand five hundred and fifty-two Application of Database in ASP One of the most important functions of asp is that it allows you to easily connect to the database. It is usually connected to an access or SQL database. Because Access is the easiest to start, and your machine may already have Access installed, we will use Access as an example in the following examples. Once you learn the core technology of ASP and Access database connection, when you start using SQL server, you will find that two thousand and ten five thousand six hundred and sixty-five