Home Database Mysql Tutorial 10 recommended articles about library configuration

10 recommended articles about library configuration

Jun 11, 2017 am 10:17 AM

MySQL New Version Selection The company mainly used the mysql5.5 version in the early days. This year we built the database configuration center and mainly promoted the mysql5.6 version. The performance and functions have been improved to a certain extent. Mysql5. 6 can also support gtid, but it cannot switch between gtid mode and normal mode online. At the same time, the synchronization performance of 5.6 is still unsatisfactory. It can only start parallel replication in the case of multiple DBs, which is difficult to do in business. Guaranteed, so once the write operation is intensive, slow synchronization will be a serious problem; therefore, I have been considering upgrading MySQL recently. One of the first problems faced when upgrading MySQL is to choose a suitable version. First, we consider using mysql5 .7 and 5.7 have been released in multiple official versions this year. They are currently used in a wide range of applications and can be considered for use in the official environment. So we conducted an online comparison test and found that there was a big gap in performance between mysql5.7 and our online version of mysql5.6 (perhaps it was because some parameters were not adjusted well, 5.7 is indeed much more complicated). At the same time, the company has frequently experienced some log storage issues recently

1. Share two problems encountered when using Mariadb

10 recommended articles about library configuration

Introduction: MySQL new version selection The company mainly used mysql5.5 in the early days. This year we built a database configuration center and mainly recommended mysql5.6. The version, performance and functions have been improved to a certain extent. Mysql5.6 can also support gtid, but it cannot switch between gtid mode and normal mode online. At the same time, the synchronization performance of 5.6 is still unsatisfactory, and it can only be done in When multiple DBs start parallel replication, it is difficult to have such a guarantee in business, so once the write operation is intensive, slow synchronization will be a serious problem;...

2. Configuring database connection and json conversion

10 recommended articles about library configuration

##Introduction: This article mainly introduces ASP Various configuration methods for connecting to databases in .NET, including a detailed introduction to MSSQL, Access, Oracle, SQLite, and MySQL database configurations. It has certain reference value. Those who are interested can learn more.

3. Step-by-step tutorial on OpenGL library configuration under VS2015

10 recommended articles about library configuration

Introduction: This article mainly introduces the configuration tutorial of the OpenGL library under visual studio 2015 in detail. It has certain reference value. Interested friends can refer to it

4. Detailed explanation of PHP operation of MySQL database (2)

10 recommended articles about library configuration

##Introduction: Reading and delete news list implementation code 1. First write a separate php file (conn.php) for PHP to connect to MySQL database //**********************PHP to connect to MySQL database* *******************##5.

CodeIgniter study notes Item4--Database operations in CI

10 recommended articles about library configurationIntroduction: The CI database configuration file is /application/config/database.php

6.

How to implement ThinkPHP custom Redis processing SESSION

10 recommended articles about library configuration##Introduction: This article mainly introduces ThinkPHP customization The implementation method of Redis processing SESSION is analyzed in the form of examples. ThinkPHP related database configuration and custom Redis processing session implementation techniques are analyzed. Friends in need can refer to

7. thinkphp Set DB_CHARSET to utf8mb4

简介:tp3.2.3数据库配置 'DB_CHARSET'=> 'utf8mb4',执行报错。如下 {代码...} 如果不用tp,使用原生的sql ‘set names utf8mb4’ 执行没问题。到底哪里出错了 求解决!谢谢!

8. thinkphp设置DB_CHARSET为utf8mb4

简介:tp3.2.3数据库配置 'DB_CHARSET'=> 'utf8mb4',执行报错。如下 {代码...} 如果不用tp,使用原生的sql ‘set names utf8mb4’ 执行没问题。到底哪里出错了 求解决!谢谢!

9. mysql - PHP的一个库,求详细信息。

简介:经常性闭门造车,对PHP其他的事了解甚少。今天在研究Typeche的时候又遇到了类似: {代码...} {代码...} 的数据库配置,想知道这个格式的配置的相关信息,百度也不好百度,今天跟踪代码也没找到,求各位大大指点一...

10. PHP的一个库,求详细信息。

简介:经常性闭门造车,对PHP其他的事了解甚少。今天在研究Typeche的时候又遇到了类似: {代码...} {代码...} 的数据库配置,想知道这个格式的配置的相关信息,百度也不好百度,今天跟踪代码也没找到,求各位大大指点一...

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Explain InnoDB Full-Text Search capabilities. Explain InnoDB Full-Text Search capabilities. Apr 02, 2025 pm 06:09 PM

InnoDB's full-text search capabilities are very powerful, which can significantly improve database query efficiency and ability to process large amounts of text data. 1) InnoDB implements full-text search through inverted indexing, supporting basic and advanced search queries. 2) Use MATCH and AGAINST keywords to search, support Boolean mode and phrase search. 3) Optimization methods include using word segmentation technology, periodic rebuilding of indexes and adjusting cache size to improve performance and accuracy.

When might a full table scan be faster than using an index in MySQL? When might a full table scan be faster than using an index in MySQL? Apr 09, 2025 am 12:05 AM

Full table scanning may be faster in MySQL than using indexes. Specific cases include: 1) the data volume is small; 2) when the query returns a large amount of data; 3) when the index column is not highly selective; 4) when the complex query. By analyzing query plans, optimizing indexes, avoiding over-index and regularly maintaining tables, you can make the best choices in practical applications.

Can I install mysql on Windows 7 Can I install mysql on Windows 7 Apr 08, 2025 pm 03:21 PM

Yes, MySQL can be installed on Windows 7, and although Microsoft has stopped supporting Windows 7, MySQL is still compatible with it. However, the following points should be noted during the installation process: Download the MySQL installer for Windows. Select the appropriate version of MySQL (community or enterprise). Select the appropriate installation directory and character set during the installation process. Set the root user password and keep it properly. Connect to the database for testing. Note the compatibility and security issues on Windows 7, and it is recommended to upgrade to a supported operating system.

Difference between clustered index and non-clustered index (secondary index) in InnoDB. Difference between clustered index and non-clustered index (secondary index) in InnoDB. Apr 02, 2025 pm 06:25 PM

The difference between clustered index and non-clustered index is: 1. Clustered index stores data rows in the index structure, which is suitable for querying by primary key and range. 2. The non-clustered index stores index key values ​​and pointers to data rows, and is suitable for non-primary key column queries.

What are some popular MySQL GUI tools (e.g., MySQL Workbench, phpMyAdmin)? What are some popular MySQL GUI tools (e.g., MySQL Workbench, phpMyAdmin)? Mar 21, 2025 pm 06:28 PM

Article discusses popular MySQL GUI tools like MySQL Workbench and phpMyAdmin, comparing their features and suitability for beginners and advanced users.[159 characters]

How do you handle large datasets in MySQL? How do you handle large datasets in MySQL? Mar 21, 2025 pm 12:15 PM

Article discusses strategies for handling large datasets in MySQL, including partitioning, sharding, indexing, and query optimization.

Explain different types of MySQL indexes (B-Tree, Hash, Full-text, Spatial). Explain different types of MySQL indexes (B-Tree, Hash, Full-text, Spatial). Apr 02, 2025 pm 07:05 PM

MySQL supports four index types: B-Tree, Hash, Full-text, and Spatial. 1.B-Tree index is suitable for equal value search, range query and sorting. 2. Hash index is suitable for equal value searches, but does not support range query and sorting. 3. Full-text index is used for full-text search and is suitable for processing large amounts of text data. 4. Spatial index is used for geospatial data query and is suitable for GIS applications.

MySQL: Simple Concepts for Easy Learning MySQL: Simple Concepts for Easy Learning Apr 10, 2025 am 09:29 AM

MySQL is an open source relational database management system. 1) Create database and tables: Use the CREATEDATABASE and CREATETABLE commands. 2) Basic operations: INSERT, UPDATE, DELETE and SELECT. 3) Advanced operations: JOIN, subquery and transaction processing. 4) Debugging skills: Check syntax, data type and permissions. 5) Optimization suggestions: Use indexes, avoid SELECT* and use transactions.

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