10 recommended articles about yum sources
code show as below: #Install yum-config-manager yum install yum-utils-y # Disable the source of MySQL5.6 yum-config-manager --disable mysql56-community # Enable the source of MySQL5.7 yum-config-manager --enable mysql57-community-dmr # Use the following command to check whether the configuration is correct yum repolist enabled | grep mysql code show as below: # mysqld --initialize --user=mysql --datadir=/var/lib/mysql or code show as below: # mysqld --initialize-insecure --user=mysql --datadir=/var/lib/mysql In addition, when you use mys
1. How to install the MySQL5.7 database using MySQL's yum source_MySQL
Introduction: This article mainly introduces the relevant information on how to install the MySQL5.7 database using MySQL's yum source. Friends in need can refer to
2. yum source Unable to find php54w
Introduction: rpm -Uvh http://repo.webtatic.com/yum/... Mine is php5.4, centos6.7, But after updating the yum source, I still cannot find php54w-devel. Where is the available yum source? Or do you need to yum install php54w after downloading the yum source, and then execute php54w-devel?...
3. linux - php54w cannot be found in the yum source- devel, please use yum source
Introduction: rpm -Uvh http://repo.webtatic.com/yum/... Mine is php5.4, centos6. 7. However, after updating the yum source, php54w-devel still cannot be found. Where is the available yum source? Or do you need to yum install php54w after downloading the yum source, and then execute php54w-devel?
4. linux - After installing php5.5 using Webtatic's yum source Can no longer install phpize and pecl
Introduction: I installed php5.5 using the method at http://www.blogjava.net/nkjav..., but then When trying to install phpize, the following error occurs. How to solve it? This problem has troubled me for a long time, and I still don’t know how to solve it. The default yum source is now 5.3, but my project is a yii2.0 box...
Introduction:: This article mainly introduces the Linux system CentOS uses the yum method to install the specified version of PHP. Add the yum source to upgrade from PHP53 to 54/55/56. Students who are interested in PHP tutorials can refer to it.
##Introduction::This article mainly introduces the nginx’s yum source. Students who are interested in PHP tutorials can refer to it.
7. Linux PHP53 upgrade PHP5533 linux php upgrade 5.5 php5.2 for linux linux libphp5.s
Introduction : Linux, php5: Linux PHP53 upgrade PHP5533: Since laravel5.1 is used, php needs to be upgraded to 5.5 or above. The specific environment is Aliyun Cent OS 7.0. Since Alibaba's yum source lastest is only 5.4, laravel5.1 requires php5.5, and several online yum sources have been added, which caused various problems, so I can only compile and install it troublesomely. First of all, there are many such articles on the Internet. Everyone's purpose of upgrading and the components to be upgraded are not exactly the same. The best documentation is the official installation document. If the installation of the PHP official website fails, search for related issues
8. Build an nginx reverse proxy server under CentOS7 to enable the external network Intranet applications centos7.2 centos 7.0 centos 6.7
can be accessed by the second-level domain name. Introduction: centos7: Build an nginx reverse proxy server under CentOS7 so that the external network can access the second-level domain name. Intranet application: Create local yum source of nginx [root@localhost ~]# yum list |grep nginx No package nginx available. [root@localhost ~]# //What the hell, why is there no nginx rpm? Forget it, just manually configure an official website repo yourself [root@localhost ~]# //Visit the nginx official website, enter the dowload page, and turn to the Pre-
9 at the bottom. Svn server installation and configuration to build Svn server
Introduction: svn server setup: svn server setup Svn server installation and configuration: 1. Install svn server software Download and install SVN server software from the mirror server or YUM source: yum install subversion mkdir /usr/local/ svn //Create the SVN installation directory chmod -R 777 svn //Modify the directory permissions to 777svnadmin create /usr/local/svn/sunny //Create an SVN version warehouse sunny (sunny can be customized
10. Linux PHP5.3 upgrade to PHP5.5.33, php5.3php5.5.33_PHP tutorial
##Introduction: Linux PHP5.3 upgrades to PHP5.5.33, php5.3php5.5.33. Linux PHP5.3 upgrades to PHP5.5.33, php5.3php5.5.33. Due to the use of laravel5.1, php needs to be upgraded to 5.5 or above. The environment is Aliyun Cent OS 7.0. Since Ali's yum source lastest is only 5.4,
[Related Q&A recommendations]:
linux - Some problems with yum sources
##linux - How to add missing sources to the local yum source image?Job for docker.service failed. Problem appears when installing Docker.Can the php-mysql package and PDO work normally after installing mariadb in centos7?The above is the detailed content of 10 recommended articles about yum sources. For more information, please follow other related articles on the PHP Chinese website!

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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.

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.

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.

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.

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.

In MySQL database, the relationship between the user and the database is defined by permissions and tables. The user has a username and password to access the database. Permissions are granted through the GRANT command, while the table is created by the CREATE TABLE command. To establish a relationship between a user and a database, you need to create a database, create a user, and then grant permissions.

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.

Data Integration Simplification: AmazonRDSMySQL and Redshift's zero ETL integration Efficient data integration is at the heart of a data-driven organization. Traditional ETL (extract, convert, load) processes are complex and time-consuming, especially when integrating databases (such as AmazonRDSMySQL) with data warehouses (such as Redshift). However, AWS provides zero ETL integration solutions that have completely changed this situation, providing a simplified, near-real-time solution for data migration from RDSMySQL to Redshift. This article will dive into RDSMySQL zero ETL integration with Redshift, explaining how it works and the advantages it brings to data engineers and developers.
