engine myisam

first about the relationship between tables and tables 1. A One-to-many2. A One-to-many3. Multiple to One4. Multi-pair multi- parent table and child table 1. "One" is the parent table2. One side of "many" is how a child table handles a one-to-many

MySQL Storage engineUnderstand the architecture of MySQL before you become familiar with the storage engine1 connectors refers to the interaction of SQL in different languages2 Management serveices & Utilities: System Management and control tools3

Mysqlslap is MySQL's own benchmark tool, the advantages: query data, simple syntax, flexible and easy to use. The tool can simulate multiple clients concurrently issuing query updates to the server. The performance test data is given and the

Optimization technology of U MySQL DatabaseA comprehensive technology for MySQL optimization, mainly includingA: Rationalization of table Design (3NF compliant)B: Add appropriate index (index) [Four kinds: normal index, primary key index, unique

Optimization technology of U MySQL DatabaseA comprehensive technology for MySQL optimization, mainly includingA: Rationalization of table Design (3NF compliant)B: Add appropriate index (index) [Four kinds: normal index, primary key index, unique

--Create data Table php41_goods Product tableCREATE TABLE Php41_goods (goods_id mediumint unsigned not null auto_increment comment ' primary key ',Goods_name varchar (+) NOT null comment ' commodity name ',Goods_price decimal (10,2) NOT null default

MySQL Database optimization techniques:The optimization of the database is a comprehensive technology, which mainly includes: 1. The design of the table is reasonable (in accordance with the three paradigms, 3NF) 2. Add an appropriate index

MyISAM and InnoDB InnoDB and MyISAM are the two most common table types used by many people when using MySQL. The two table types have their own advantages and disadvantages, depending on the specific application. The basic difference is that the

In the process of using MySQL, there are some questions about the concepts of MyISAM and InnoDB, and the difference between the two engines has always been a question in my mind. To solve this puzzle, we searched the network and found the following

A simple expression.MyISAM is a non transactional storage engine.InnoDB is a storage engine that supports transactions.InnoDB engines are more suitable for inserting and updating operations than more applicationsand MyISAM is suitable for frequent

InnoDB and MyISAM are the two most commonly used table types used by many people when using MySQL, each with its own pros and cons, depending on the specific application. The basic difference is that the MyISAM type does not support advanced

Common Data Storage Methods in mysql include MyISAM and InnoDB. We don't need to think about any other memory. Let's introduce the advantages and disadvantages of MyISAM and InnoDB. When using MySQL, you will certainly access the MySQL storage

MySQL Databases have multiple storage engines: MyISAM, InnoDB, MERGE, MEMORY (HEAP), BDB (BerkeleyDB), EXAMPLE, FEDERATED, ARCHIVE, CSV, BLACKHOLE, etc, the most common ones are MyISAM and InnoDB. The following describes the differences between

MySQL, of course, will come in contact with MySQL's storage engine, as you will see when you create a new database and create a new datasheet. The MySQL default storage engine is MyISAM, and the other commonly used is innodb. As for what kind of

Create several tables ~ For a brief description, the tbl_post blog table tbl_comment comment table and the tbl_user table tbl_tag label table can directly run the following SQL statement. Create database /*! 32312 if not exists */'yii '/*! 40100

Matches the coincidence between the csdn user database and the official user, and filters out overlapping users. Process: 1. the user database obtained from csdn is imported to the local trial editplus. the system prompts that the memory is

Mysqlmerge table introduction in Mysql database, Mysql Merge table is a bit similar to view. Next let's take a look at the advantages of Mysql Merge tables and hope to help you. Advantages of Mysql Merge table:A: separate static and dynamic dataB:

The leakage of CSDN user data seriously threatens the security of official users. Therefore, we hope to compare the user data of the two sites and filter out the overlapping users, notify the user to change the password in time to minimize the risk.

Precautions for using the AUTO_INCREMENT column in MySQL: update auto-incrementing Column1. Description (1) For the MyISAM table, if you use UPDATE to UPDATE the auto-incrementing column, if the column value is the same as the existing value, an

Catalogue I. Project Analysis 1ii. Rights Management 1third, the site layout, Layout complete Home 4iv. Completion of admin login 7v. Settings for Rights Management 121 , add permissions 122 , permissions List 153 , modify Permissions 154 , delete