We must have used phpMyAdmin inside the database import, export function, very convenient. But in practical applications, I found the following questions:
1, the database exceeds a certain size, such as 6M at this time using the export generally no
Each line command ends with a semicolon (;)
For MySQL, the first thing you have to keep in mind is that each line of its command is terminated with a semicolon (;), but when a row of MySQL is inserted into the PHP code, it is best to omit the
HP layer to MySQL layer
The PHP to the SQL component hierarchy is shown in the following illustration:
Ext/mysqli and Ext/mysql are the client's extender libraries (library functions), which are extended libraries at the client-side scripting
MyISAM: This is the default type, which is based on the traditional ISAM type, and ISAM is the abbreviation for indexed sequential access method (indexed sequential access methods), which is the standard way to store records and files. Compared to
Mysql
A. 10 words1. Do not rely on register_global=on environment, from you just know how to configure PHP to run the environment not even understand Register_global On/off will have any impact on their own day, you should be brave to set it off.2.
MySQL uses MySQL built-in replication functionality to optimize availability
2001-10-05 21:31
Published by: Fei Read times: 142
In Soundbreak we play live audio and video 24 hours a day without interruption, so we can't make a convincing test of
6.3 Client program 2-Increase error checkingOur second client program will be like the first client program, but will modify them to consider the possibility of error occurrence. Projects such as "practice error checking as a reader" are fairly
3.3 Creating, deleting, and selecting databasesMySQL provides three database-level statements: Create database for creating databases, drop database to delete databases, use to select the default database.1. CREATE DATABASE StatementCreating a
mysql|window| compilation
[HOW-TO] How the Windows platform compiles MySQL code
Author: Wang Mei (HeartIcy@163.com)
Revision: Initial
Date: July 13, 2003
Description: This is not a paper nor code reading guide, the purpose of writing this
mysql| performance This file contains the results of different benchmark tests.
The number in the after test result () represents the number of SQL commands executed in the exact test. A test can have a lot of different parameters, and here's just
Lighter Wamp, the program installation process it prompts you to change the default 80 port for the service port, the software has no Control panel, but all operations in the Start menu to add a shortcut.
Software Download Address:
Js|mysql Webmaster Management page is established: This page can be viewed and deleted from other people's messages.
The structure is similar to board.jsp, except that a single check box is added to each message to facilitate deletion:
Expert
Php+mysql realize the number of online Web site, the background has MySQL database support. You can directly calculate the current number of online Web site.
The first is to create a MySQL database table.
CREATE TABLE TableName (field type
mysql| server before discussing how to start a MySQL server, let's consider what user should be running the MySQL server. The server can be started manually or automatically. If you start it manually, the server starts with the user you logged on to
Installation steps:1. Extract the compressed package into the C:\PHP directory.2. Copy all the files in the "C:\php\dlls" directory to the "C:\WinNT\System32 (Winodws98 system C:\Windows\System)" directory and overwrite it with the presence of an
As a result of the work, these days have been studying the installation of Linux+apache+php+mysql. Initially, Google search the next "Linux MYQSL Apache Php", search out the n more records installed articles, from the inside picked a few try to
By looking up data on the web and trying it myself, I think the following system parameters are more critical:
(1), Back_log:
Require MySQL to have the number of connections. This works when the main MySQL thread gets a lot of connection requests
First we are talking about logic errors and grammatical errors:
The biggest difference is that the syntax error does not pass the compiler compiler, logic errors can be passed. Specifically, the grammatical error means that the error violates the
The default location for a UNIX socket file that the server uses to communicate with the local client is/tmp/mysql.sock. This can cause problems because, on some versions of UNIX, anyone can delete files in the/tmp directory.
In most UNIX versions,
INNODB provides MySQL with transaction security (acid-compatible) storage engine with Commit, rollback, and crash recovery capabilities. InnoDB locks the row level and also provides an oracle-consistent, unlocked read in the SELECT statement. These
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