storage engine

InnoDB supports transactions, while MyISAM does not support transactions.Definition of a transaction:When multiple users access the same data, one user may change the data in the process of other users to initiate a change request, in order to

Source code compilation MySQL5.1 generate InnoDB storage engine bitsCN.com Compile MySQL 5.1 with source code to generate the InnoDB storage engine Here we will only list the main steps: [plain] ./configure --prefix=/home/mysql51/mysql/

MySQLInnoDB storage engine lockConcept:A lock is used to manage concurrent access to shared files. Innodb locks the database at the row level. However, the innodb Storage engine uses locks in multiple places inside the database to allow concurrent

I installed MySQL version: MySQL Ver 14.14 distrib 5.7.18, for Win64 (x86_64), view MySQL version number way: cmd--"MySQL--version will show the version of MySQL1. What is a database storage engine?Storage Engine is an important feature of MySQL

1 The concept of the MySQL storage engine The data in MySQL is stored in files (or memory) in various different technologies, using different storage mechanisms, indexing techniques, locking levels, and ultimately providing a wide range of

what is a storage engine? Relational database tables are data structures for storing and organizing information, and you can interpret tables as tables of rows and columns, similar to the form of spreadsheets in Excel. Some tables are simple, some

This article describes how to select a mysql Storage Engine. it explains how to use the storage engine and the features of several common engines. For more information, see Introduction to main storage engines 1. InnoDB storage engine InnoDB is the

How to choose the right storage engineFeatures of several common storage enginesHere we focus on several common storage engines and compare the differences and recommended usage between each storage engine.Features

MySQL, as an open source free database, is often used in regular projects, while our focus in the project is generally designed to use the database rather than MySQL itself, so when it comes to MySQL's storage engine, it is not generally known, This

1. Insert BufferA.insert BufferIt makes sense to listen to a name. The insert buffer is part of the buffer pool. It's not like that. The InnoDB buffer pool has insert buffer information, but insert buffer is a part of the physical page as well as

MySQL Storage Engine MyISAM and InnoDB configuration MyISAM and InnoDB Maximum features: MyISAM: ① does not support transactions. ② table-level locking, where data locks the entire table when it is updated. ③ does not support foreign key

ObjectiveThe database storage engine is the database's underlying software organization, and the Database management system (DBMS) uses the data engine to create, query, update, and delete data. Different storage engines provide different storage

MySQL: storage engine, mysql storage engine Storage engine: also called the table type, it is equivalent to the table storage mechanism, index solution, and other supporting functions. Different storage engines provide different functions or

Mysql uses the InnoDB Storage engine by default from 5.5. to use the InnoDB Storage engine, you must add the compilation parameters when compiling and installing mysql. The different compilation parameters of the versions are also omitted. Mysql

The MySQL server adopts a modular style, and each part remains relatively independent, especially in the storage architecture. Storage EngineManage data storage and MySQL indexes. Through the defined API, the MySQL server can communicate with the

Original address: http://dev.mysql.com/doc/refman/5.7/en/memory-storage-engine.htmlThe MEMORY Storage Engine (formerly known as HEAP ) creates special-purpose tables with contents that is stored in memory. Because the data is vulnerable to crashes,

Let us answer some of the following questions: Do you have a foreign key in your database? Do you need business support? Do you need full-text indexing? What kind of query mode do you often use? How big is your data? Thinking about these issues

First, InnoDB primary research:1. mysql log file:The ①:slow.log file records the slow query log, which is recorded in this file when a statement execution time exceeds the value specified in the configuration parameter long_query_time;②:error.log

##########################################################MySQL index:A directory similar to a bookType:--"Normal index"--"Unique index uniquely--"PRIMARY key primary Key"-Foreign key foreign keyAdvantages:Improve query speedDisadvantages:Slows down

TableOriginal: http://yingminxing.com/mysql%E6%8A%80%E6%9C%AF%E5%86%85%E5%B9%95innodb%E5%AD%98%E5%82%A8%E5%BC%95%E6%93%8E% ef%bc%8d%e8%a1%a8%e7%b4%a2%e5%bc%95%e7%ae%97%e6%b3%95%e5%92%8c%e9%94%81/4.1. InnoDB Storage Engine Table typeInnoDB tables are