optimize db

I. Introduction to Berkeley DB(1) Berkeley DB is an embedded database that is suitable for managing massive, simple data. If Google uses it to save account information, Heritrix uses it to save Froniter.(2) Key/value is the basis on which Berkeley

Transferred from: http://mp.weixin.qq.com/s?__biz=MjM5ODYxMDA5OQ==&mid=2651959442&idx=1&sn= Feb8ff75385d8031386e120ef3535329&scene=1&srcid=0518a2wv8vhdfj0fs8kihanx#wechat_redirectThe origin of demandMost of the internet business is "read more write

Implementation principle of DB database horizontal segmentation-Database Sharding, table sharding, master/slave, cluster, and server load balancer bitsCN.com Chapter 2 Introduction With the popularization of Internet applications, the storage and

first, the origin of demandMost of the internet business is "read more write less" scenario, database level, read performance is often a bottleneck. For example, the industry usually adopts the database schema of "one master, multiple slave, read

Introduction to OLE DB Wait eventsThe OLE DB wait type is one of the most common wait types in a SQL SERVER database. It means that a session (SPID) has a call request through SQL Server Native Client OLE DB provider and waits for the database to

I. Introduction to Berkeley DB(1) Berkeley DB is an embedded database that is suitable for managing massive, simple data. If Google uses it to save account information. Heritrix use it to save Froniter.(2) Key/value is the basis for Berkeley DB to

Database Storage Architecture The files that make up Oracle DB can be categorized into the following categories:?Control Files:Contains data related to the database itself, which is the physical database structure information. These files are

How to optimize the MYSQL database and optimize the mysql database 1. select the most suitable field attribute Minimize the length of the defined field and set the field not null, for example, 'province, gender'. It is best to set it to ENUM. 2. Use

Mysqlcheck is a tool that MySQL comes with, the function is the 保养 table, actually is examines, analyzes, fixes and optimizes. Here's an introduction to the simple use of the Mysqlcheck tool, the official documentation here Original URL:

? Determine what types of failures can occur in Oracle DB? Describe how to optimize instance recovery? Explain the importance of checkpoints, redo log files, and archived log files? Configure the quick recovery area? Configuring Archivelog Mode