MySQL

Date_default_timezone_set ('prc'); // Default Time Zone echo "Today:", date ("Y-m-d", time (), " "; echo "Today:", date ("Y-m-d", strtotime ("18 June 2008"), ""; echo "yesterday :", date ("Y-m-d", strtotime ("-1 day"), ""; echo "Tomorrow :", date

If I have a user table and want to query 10 users starting with 50th users that meet certain conditions, and cannot use the ID number between and, how should I write an SQL statement?The MySQL database has limit, and the offset statement can be

It is mainly used to migrate a database in the original MySQL database (exdb is used as an example here) to a new environment (the new environment means that you have installed MySQL on another computer, I want to migrate the data in the exdb

From: http://lz12366.iteye.com/blog/673290 The concept of null value is a common cause of confusion among SQL beginners. They often think that null is the same as an empty string. No! For example, the following statements are completely different:

Prompt. /The mysql-bin.index cannot be found (because MySQL has enabled the bin log function), to the database root directory to view the file is there, may be a file permission problem, the permission for viewing the root directory of the database

Error 1130: Host '192. 168.1.3 'is not allowed to connect to this MySQL Server Solution:Change the table. It may be that your account is not allowed to log on remotely, but only on localhost. At this time, you only need to log in to MySQL on the

I installed MySQL 5.1 and the same MSI installation file before. After I uninstalled MySQL, I re-installed it in a few days. After the installation is complete, When I configure the MySQL instance, the "Start Service" Step 3 fails. I tried to start

My system is ubuntu8.04. The newly installed MySQL always has an error prompt when it enters the MySQL tool:# Mysql-uroot-PEnter password:Error 1045 (28000): Access denied for user 'root' @ 'localhost' (using password: No) Use the methods described

Entering Chinese data on the JSP page and saving it to the MySQL database are garbled characters. After reading data from the database, it is still garbled on the JSP page. To solve this problem, consider the following:   1. Obtain the MySQL

MicrosoftInternetExplorer402DocumentNotSpecified7.8Normal0 Source: http://imysql.cn/charset_tips Author/Translator: ye Jinrong, source: http://imysql.cn, reprinted please indicate as/translator and source, and cannot be used for commercial purposes,

I always thought that MySQL would randomly query several pieces of data.Select * From 'table' order by rand () limit 5You can.However, the test results show that the efficiency is very low. It takes more than 8 seconds to query 5 data records in a

Now we have such a J2EE project, which is developed using Tomcat + MySQL. After the development is complete, the customer needs to package it into an installer and require the customer machine to run the project without any development

Group by and distinct Group by group, each group displays only one record Distinct is followed by multiple fields to ensure that each field combination record is unique (distinct ID, name from) Groupby having and where Select *, (sum (WIN)/count (*)

I want to directly back up the database in the PHP background, so I have never thought of any idea. At the beginning, I was thinking about using PHP to access the directory where the server installed MySQL, for example, in the/usr/local/MySQL/data

Reprinted: There are many methods, but we recommend that you first look at the MySQL development documentation, which is very detailed. If you are too lazy to read it, you can refer to the following1. There is a software PHP Excel parser pro v4.2

MySQL Chinese garbled characters (My isUbuntu LinuxSystem), read a lot of solutions on the Internet, many say that you want to modify the MySQL configuration file, so I follow the method below to modify:Method from:

There are two possible reasons for the garbled MySQL database: 1. MySQL database encoding problem (set during database creation ). 2. url encoding settings for connecting to the MySQL database. For the first problem, the current personal discovery

PHP + MySQL authentication method Author: Wutong Date: 2001/8/29 Recently, when I made an ICP filing for a school, I needed identity verification. After comparison, I decided to use PHP + MySQL for identity verification.　　 We have previously

If you want to directly store binary data, such as image files and HTML files, in your MySQL database, this article is for you! I will show you how to store these files through HTML forms and how to access and use these files.Overview:Create a new

I have tried many examples of failures in installing MySql in Linux on the Internet. I am very depressed. I wrote a detailed tutorial today. MySQL package: MySQL-server-5.1.44-1.glibc23.i386.rpm MySQL-client-5.1.44-1.glibc23.i386.rpm These two