MySQL

Client does not support Authentication Protocol requested by Server 1 -- error Cause Analysis A problem encountered when the system was launched today: executableProgramUse static library compilation provided by mysql4.0.22. The database server

The DBD: MySQL module of Perl installed in Solaris has two problems. The following is a summary:Problem 1: mysql_config cannot be found1. Download DBD-mysql-3.00002. Extract3. Make makefile. pl4. The error message "mysql_config" is not

1. System ManagementConnect to MySQL (in MySQL/bin) mysql-H host address-u username-P MySQL 3306 127.0.0.1 RootExit MySQL Command exitChange Password (in MySQL/bin) mysqladmin-u username-P old Password New PasswordUser authorizationGrantselect

First, both functions are used to process databases. First, mysqli connections are permanent connections, while MySQL does not. What does it mean? MySQL will re-open a new process whenever it is used for the second time, while mysqli only uses the

The query cache of the MySQL server is enabled. The following command is used to view the query cache parameters: # Whether to enable the current featureSelect @ query_cache_type;# Current application or notShow variables like 'have _ query_cache ';

[ArticleAuthor: Sun Li link: http://www.cnblogs.com/sunli/ updated by: 2010-09-19] This is a MySQL speech that I will give at the beginning of OTN glad tour in Lima, South Africa, MySQL best practices suitable for DBAs and developers Learn the

MySQL C API There is nothing to do during the internship. I used Delphi for development. I really don't get used to Pascal. I'm bored with studying MySQL's C interface. Today I summarize it as a note, generally, I am used to making summary items

View the MySQL database size 1. Enter the specified schema database (storing information about other databases) Use information_schema 2. query the size of all data select Concat (round (sum (data_length/1024/1024 ), 2), 'mb '

I believe that MySQL strings are familiar to everyone. MySQL string sorting often encounters some problems, such as the following: Today, we have solved a strange problem about MySQL string sorting. The varchar type is defined in the data, and the

This tutorial is mainly written because I want to try django1.2 today and need a runtime environment of Django. It also serves as a record to allow others to build the Django environment smoothly. Before installation, make sure that the python

21.4.5.1. MySQL connector/C ++ connecting to MySQL 21.4.5.1. MySQL connector/C ++ connecting to MySQL A connection to MySQL is established by retrieving an instanceSQL: ConnectionFromSQL: mysql: mysql_driverObject.SQL: mysql:

MySQL: MySQL 5.1 Reference Manual: 26. Connector Chapter 2: connectors Directory 26.1. MySQL connector/ODBC 26.1.1. myodbc Introduction 26.1.2. General

Kill syntax Kill [Connection | Query]Thread_id   Each AndMysqldAre running in an independent thread. You can useShow processlistStatement to check which threads are running and useKillThread_idStatement to terminate a thread.

Create an index The syntax for creating an index is: Create [unique | Fulltext |Spatial] index index_name [using index_type] On tbl_name (index_col_name,...) index_col_name: col_name [(length)] [ASC| DESC] ForCharAndVarcharYou can create an

C ++ 07: Use OTL to operate MySQL Databases C ++ 07: Use OTL to operate MySQL Databases   I. WritingCode Note: The following code is from the OTL example and is slightly modified. # Include using namespace STD; # include # include #

When connecting to MySQL on your computer today, the system prompts "Access denied for user'' @ 'localhost' to Database ". The preliminary judgment is that the user is wrong, because there is no user name before localhost, And I log on with a

The specific usage of the command line is as follows: mysqldump-u uses the anonymous name-P password-D Data Warehouse name table name Script Name; 1. Export the table structure of the database named dbname (the database name is root, the password

Restore A Database: mysql-H localhost-u root-p123456 WWW Back up a database: mysqldump-H localhost-u root-p123456 WWW> D:/www2008-2-26. SQL(Note: If you are running the mysqldump command on Windows, you need to go to the bin directory of the

The installed MySQL does not have a data folder, but it can be used normally. Do you have any of them? How can I see the data folder? If there is no data folder, where should I store my database files? I did not find the entire computer.How can this

MySQL database performance optimization-Cache Parameter Optimization Databases are IO-intensive applications. Their primary responsibilities are data management and storage. We know that the time for reading a database from the memory is