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MySQL row lock and table lock

A lock is a mechanism by which a computer coordinates multiple processes or a purely thread concurrently accessing a resource. in a database, data is a resource that is shared by many users in addition to the contention of traditional computing

MySQL row-level locks, table-level locks, and page-level locks _ MySQL

MySQL row-level lock, table-level lock, page-level lock details page-level: engine BDB. Table-level: engine MyISAM, which is interpreted as locking the entire table and reading at the same time. Row-level: engine INNODB, locking a single row of

MySQL row-level locks, table-level locks, page-level locks, mysql details

MySQL row-level locks, table-level locks, page-level locks, mysql details Page Level: Engine BDB. Table-level: Engine MyISAM, which is interpreted as locking the entire table. It can be read at the same time but cannot be written at the row level.

MySQL row-level locks, table-level locks, and page-level locks

Page Level: Engine BDB.Table-level: Engine MyISAM, which is interpreted as locking the entire table and reading at the same time.Row-level: Engine INNODB, locking a single row of records At the table level, the entire table is locked directly.

Mysql row-level locks, table-level locks, page-level locks detailed introduction _mysql

Page level: Engine BDB.Table level: Engine MyISAM, understood to lock the entire table, can be read at the same time, write notRow level: Engine INNODB, separate one-line record lock Table level, locking the entire table directly, and other

MySQL row-level lock, table-level lock, page-level lock detailed

page level: Engine BDB. Table level: Engine MyISAM, understood to lock the entire table, you can read at the same time, write No Line level: Engine INNODB, a separate row of record lock table level, directly lock the entire table, during your lock,

MySQL row-level lock, table-level lock, page-level lock Detailed introduction

Original link: http://www.jb51.net/article/50047.htmPage level: Engine BDB.Table level: Engine MyISAM, understood to lock the entire table, can read at the same time, write NoRow level: Engine INNODB, single row of records plus lockTable level,

MySQL Lock table detailed

In order to better optimize MySQL in high concurrency, it is necessary to understand the locking table mechanism when MySQL query is updated.I. OverviewMySQL has three levels of Lock: page level, table level, row level.MyISAM and MemoryStorageThe

MySQL table lock and row lock issues

Overview compared to other databases, MySQL's locking mechanism is relatively simple, and its most notable feature is that different storage engines support different locking mechanisms. MySQL can be broadly categorized into the following 3 types of

MySQL row-level lock, table-level lock, page-level lock Detailed introduction

This article mainly introduces the MySQL row-level lock, table-level lock, page-level lock detailed introduction, while enumerating some examples, the need for friends can refer to the followingPage level: Engine BDB.Table level: Engine MyISAM,

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