MySQL

This article mainly introducesMySQL databaseOfStored Procedure with CursorFor example, let's take a look at how to create a stored procedure with a cursor. The code example is as follows: DELIMITER $$    

MySQL databaseCreateMemory tableThe method is very simple. You only need to specify ENGINE = MEMORY: CREATE TABLE  `tablename` ( `columnName` varchar(256) NOT NUL)      ENGINE=MEMORY DEFAULT CHARSET=latin1      MAX_ROWS=100000000;  

MySQL databaseIf you do not selectCharacter delimiter setGb2312, utf, or gbk may cause garbled characters. This article describes how to set the character collation set as follows: Solution: Start --> Run --> cmd --> enter the doscommand form: (if

ForMySQL databaseIf you want to use transactions and row-level locks, you must useINNODBEngine. If you want to use full-text indexes, you must use myisam. INNODB is more practical, secure, and stable, but less efficient than MYISAM. However, some

MySQL database, We sometimes needModify MySQL passwordTo ensure database security. There are usually many ways to change the password, and it is easy to implement. This article summarizes six methods to change the MySQL password. These six methods

AndMySQLCompared with the official MySQL Proxy,AmoebaConfiguration is very convenient. It is easier to use SQLJEP syntax to write rules based on XML configuration files than MySQL Proxy Based on lua scripts. However, it is not perfect, and there are

The previous Mac OS x Snow Leopard server version provides two methods to access MySQL from the graphical user interface and command line. However, in the latest Mac OS X Lion server version, this open-source MySQL database has completely

We know that a goodDatabase DesignThe solution often achieves twice the result with half the effort for database performance. Therefore, as a Database Designer, we often need to consider some measures to optimize the database when designing the

Last time we introduced: Suitable for beginnersMySQLSummary of Common Operations of the Study Notes administrator. Here we will introduce the MySQL Study NotesCommon commandsNext, let's take a look at this part. Operation Skills 1. If you forget the

MySQL Performance AnalysisAndExplainUsage knowledge is what we will introduce in this article. Next we will introduce this process through some practical examples, hoping to help you. 1. Use the explain statement to view the analysis results For

ForData splitting, We may not be very familiar with it, but itMySQLThe database is also a very important technology. This article will introduce the knowledge of data splitting in the MySQL database in detail. Next, let's take a look at this

MySQL parameter DELAY_KEY_WRITEThe related knowledge is what we will introduce in this article. DELAY_KEY_WRITE refers to the update operation of the table to the disk without updating the index to the disk before the table is closed, record the

InMySQLDuring database operations, we always want to avoid full table scanning by the database engine during some queries, because the full table scan takes a long time, most of the scans are meaningless to clients. In fact, we can useLimit

MySQLDatabase creationThreadThe related operations in MySQL are described in this article. To improve system efficiency and reduce the system consumption of frequent thread creation and thread suspension, MySQL uses the concept of thread buffer,

MySQL releases the latest GA versions 5.1.61 and 5.5.20 of the 5.1 and 5.5 series. The previous versions are 5.5.19 of 5.1.60 of 2011-11-18 and 5.5.19 of 2011-12-08, respectively.Improvement: 5.1.61 http://dev.mysql.com/doc/refman/5.1/en/news-5-1-61.

PhpMyAdmin 3.4.10 official version is released. This version fixes the total number of records in RC1 with errors returned for the select distinct statement, updates the TCPDF library, and fixes a license issue. PhpMyAdmin is a popular web-based

The general idea of using Java for Mysql Database Import and Export is to use Java to call the command window to execute the corresponding commands. The command for MySql to export a database is as follows:

Guide] On the Internet, many people ask if mysql provides a boolean type? MySQL database does provide a BOOLEAN type. Keywords of this data type can be written as boolean or boolean. But is the BOOLEAN Type of MySQL database data the same as that of

When you migrate a large table from MySQL to Redis, you may find that every time you extract, convert, and import a piece of data, it is unbearable! Here is a tip: You can use pipelines to directly input MySQL output to the redis-cli input, which

The major improvements of this version are as follows: Mysql_upgrade improvement: now we will verify whether the compiled version matches the server version. If not, exit. You can use the -- version-check and -- skip-version-checking options to