mysql storage

MyISAM Storage Engine Features:1. Do not support transactions2. Table-level locking (locks the entire table on update, whose index mechanism is a table-level index, although it can make the implementation cost of locking very small, but also greatly

MySQL commonly used storage engine in 4 kinds, namely:MyISAM, InnoDB, memory, MERGE. The difference between MySQL's common storage Engine:1. MyISAM is the default storage engine for MySQL. MyISAM does not support transactions or foreign keys, but it

MySQL's physical file composition includes error logs, query logs, slow query logs, transaction logs, and binary logs.Log files record the changes that occurred during the MySQL database operation, log the client connection status of the MySQL

The stored procedure can be easily understood as a collection of one or more SQL statements.The operations of the storage process include creating a stored procedure, viewing the storage process, updating the storage process, and deleting the

Some of the text refers to other blogs or text.Official explanation:· MyISAM: The default MySQL plug-in storage engine, which is one of the most commonly used storage engines in the Web, data warehousing, and other application environments. Note

Features of several common storage enginesHere we focus on several common storage engines and compare the differences and recommended usage between each storage engine. features Myisam BDB Memory InnoDB

First, INNODB support affairs, MyISAM not support, this is very important. Transactions are an advanced way of handling, such as in some column additions and deletions, as long as the error can be rolled back to restore, and MyISAM will not

MySQL architecture-MySQL Storage Engine-Summary MySQL architecture-MySQL storage engine-Choose the right engine MySQL architecture-MySQL storage engine-other storage engines MySQL architecture-MySQL storage engine-examples of practices MySQL

Most interviewers prefer to ask questions. Let's talk about the choice of the MySQL storage engine. There are too many MySQL storage engines, and there are seven or eight well-known ones. The specific ones are not listed one by one. There are only

Analysis of the performance of MySQL database and its optimization effect on the performance of MySQL database one. Hardware limitations of the server two. The operating system used by the server is three. The configured parameter settings for the

1. Does MySQL 5.1 storage programs and functions work for replication? Yes, the standard behavior executed in the storage program and function is copied from the master MySQL server to the slave server. 2. Can the stored programs and functions

Does MySQL 5.1 storage programs and functions work for replication? Yes, the standard behavior executed in the storage program and function is copied from the master MySQL server to the slave server. Can the stored programs and functions created on

Next let's answer some questions:◆ Does your database have a foreign key?◆ Do you need transaction support?◆ Do you need full-text indexing?◆ What query mode do you often use?◆ How big is your data?Thinking about the above questions can help you

MyISAM is the default storage engine of MySQL. MyISAM does not support transactions or foreign keys, but it has fast access speed and has no requirements on transaction integrity.The InnoDB Storage engine provides transaction security with commit,

MySQL's common storage engines are MyISAM, InnoDB, MEMORY, and MERGE. InnoDB provides transaction security tables, and other storage engines are non-transaction security tables. MyISAM is the default storage engine of MySQL. MyISAM does not support

Description of 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

The stored procedures pre-compile a series of SQL statements, and store the execution in the database. If you need to use SQL statements to access this set of SQL statements, you can directly extract ( The stored procedures pre-compile a series of

This time has been trying to use Python in the SAE, the initial selection of the web.py framework as a development framework, but poor SAE on the poor data, a little problem basically can not solve, today solve a session in the session of the

First, we should understand an important feature of the plug-in storage engine in mysql. from the name, we can see that in mysql, users can choose any storage engine based on their own needs. In fact, this is also the case, even in the same database,

In MySQL, the storage engine is not only Innodb, but also MyISAM, MEMORY, and MERGE. What are the differences between these storage engines ?? When designing databases, how can we select an appropriate engine to maximize the efficiency ?? Mysql