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 seven thousand nine hundred and fifty-five -
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 five thousand five hundred and seventeen -
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 ten thousand four hundred and eighty-six -
Various database connection codes in ASP MSAccess database connection uses DSN connection and does not have user name and password two thousand and eleven seven thousand two hundred and six -
Solve the problem of Chinese garbled code in MySQL database In MySQL Front, the: charset: UTF-8Unicode (utf8) collation: UTF8_general_ci source code file code is set to UTF-8, and the content of the database is displayed normally on the web page, but when you use MySQL Front to view the content of the database, all the Chinese content in the database is garbled. In the console mode, the contents of the viewed database are also garbled two thousand and eleven six thousand five hundred and sixty-two -
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--- Copy the php5apache2_2.dll file under PHP to apache/modules two thousand and ten nine thousand and ninety-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 eight thousand nine hundred and ninety-one