how to improve database performance

Technical preparationHosted under the Ubuntu14.04.2 platform, based on the MYSQL5.5.46 version.Log files record the various types of MySQL database activities, as a daily location problem of the most common analysis means, MySQL database commonly

SQL Server Introduction Order: First level, Introduction to Indexesby David Durant, 2014/11/05 (first PUBLISHED:2011/02/17)Original address:Stairway to SQL Server Indexes:level 1, Introduction to IndexesThis article is part of the SQL Server cable

author David Durant,2014/11/05(First edition:2011/02/17)Original link:http://www.sqlservercentral.com/articles/Stairway+Series/72284/The seriesThis article is part of the "Stairway Series:Steps forSQL Server Indexing"indexes are the basis of

Introduction to SQL Server indexing: SQL Server index-level ladderby David Durant, 2014/11/05 (first PUBLISHED:2011/02/17)The seriesThis article is part of the Stair series: SQL Server index LadderIndexes are the basis of database design and tell

Transfer from http://blog.csdn.net/langkeziju/article/details/51094289Database of things, often a parameter involves n multiple knowledge points. So simply say it. Everyone knows that InnoDB is a storage engine that supports transactions. The four

1. Relationship between the original document and the entityCan be a pair of one or one-to-many, many-to-many relationships. In general, they are one-to-one relationships: a single original document corresponds to and corresponds to only an

What is the data engineSome of the concepts related to databases were mentioned in the preliminary data: Database table records, etc.===> files created in the Library ===> folder library in MySQL the files we use to store the data in real life

Once the Oracle database runs in accordance with the design goals, the database can be truly operational. The database operation marks the beginning of the basic completion of the development task and the Oracle maintenance work, but does not imply

Database is no stranger to program apes, but how much do you know about database locks? Database lock directly affects data performance, how to ensure data is not deadlocked and improve database performance under the premise of large concurrency?

No application can be separated from the data, so when learning python, of course, you should also learn how to use Python to manipulate the database. MYSQLDB is the Python module for MySQL database operations. Official INTRODUCTION:MYSQLDB is a

MySQL database design specification 1, the database naming specification uses 26 English letters (case-sensitive) and 0-9 natural number (often do not need) with underscore ' _ ' composition; The name is concise and clear (the length cannot

Now, with the proliferation of Internet users, some large sites are starting to use database clusters to improve database reliability and database performance. So before you introduce a database cluster, you need to figure out a few questions first.1

What is a storage engineLibrary ===== folder created in MySQLTables created in the library ===== "fileIn real life, the files we use to store data should have different types: for example, TXT type for storing text, Excel for Save form, PNG for

Original address: http://www.sqlpassion.at/archive/2014/04/08/improving-query-performance-by-using-correct-search-arguments/Improving Query performance by using correct Search Argumentsapril 8, 2014 • Klaus Aschenbrenner Improve database

What is a storage engineLibrary ===> folder created in MySQLTable ===> files created in the libraryIn real life, the files we use to store data should have different types: for example, TXT type for storing text, Excel for Save form, PNG for image,

I. Overview of storage enginesIn personal pc, different file types have different processing mechanisms to access from, such as text with TXT open, save, table with Excel reading, writing and so on. In the database, there are also many types of

Essay: Small series because years ago has been looking for work, and after years to find work and have been busy work, so also very little time to write something to everyone, in general, review a few times before the interview experience, also a

What is a storage engineThe storage engine is how to store the data, how to index the stored data, and how to update and query the data. Because the storage of data in a relational database is stored as a table, the storage engine can also be called

Good habits require constant cultivation and reinforcement until they become a habit, and then become part of the mind.Before or after work, I have to give my family a read "Zi Jing" or "disciple rules", he may not understand the content of these

First, the indexIndexes are a quick way to access data to improve database performance. Indexing makes it possible for a database program to find the data it needs without having to scan the entire table, like a book's directory, to quickly find the