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Thinkphp framework itself is to support read-write separation, how to do it? The simplest way to do this is to modify it in the configuration file: PHP code
' Db_type ' = ' mysql ',
' Db_deploy_type ' + 1, //Fight support multi-server
' Db_rw_separate ' =>true, //read/write
' Db_host ' = ' 192.168.100.78,192.168.100.60 ', //Database server address Master (write)/slave (read)
' Db_name ' = 'tes
databases (DBMS ):
MySQL
MariaDB
SQLite
PostgreSQL
CUBRID: version> = 9.3. (because a bug reference value of the php pdo extension will be invalid, you need to use 9.3 on both the client and server of CUBRID)
Oracle
MSSQL: version> = 2005.
Configuration
To start using a database, you must first configure the database connection component and add
Value: the historical default value is 8 M. The default value of the current version is 128 M;Maximum parameter value: limited by the CPU architecture, 32-bit or 64-bit is supported, and 32-bit or 64-bit is also limited by the operating system;Tip:The value of innodb_buffer_pool_size is set appropriately, which will save the physical IO for accessing data in table objects. In the official manual, we recommend that you set a dedicated database server
Label:The ORACLE11G database was installed on the virtual machine and was originally intended to be used in a C/s + + learning operations database. The result was a big pit. It took two days from the installation of the Oracle database to the configuration of the proc compilation options. But it made me realize that I
recommended to use S.M.P. Architecture's multi-symmetric CPU, for example: two Intel Xeon 3.6GHz CPUs can be used, now I would rather recommend 4U servers dedicated to database server, not just for MySQL.③ physical memory for a database server using MySQL, the server memory is recommended not less than 2GB, recommended to use more than 4GB of physical memory, but memory for the current server can be said t
connection of SQL Server.(1) SQL Server 2000:
① "START" | "All Programs" | "Microsoft SQL Server" | "Enterprise Manager", right-click the SQL server instance, for example, gsmajk (Windows NT), and right-click "properties ", the "SQL Server properties (configuration)" window is displayed, "connection" | "remote server connection ", select "allow other SQL servers to remotely connect to this SQL Server using RPC" and "Force Distributed Transaction Proc
Install MediaWiki database configuration information to fill in the SAE?
Reply content:
Install MediaWiki database configuration information to fill in the SAE?
Although not installed, but directly find the MediaWiki database con
:0Last_sql_error:Replicate_ignore_server_ids:Master_server_id:11 row in Set (0.00 sec)OK, you can see slave_io_running and slave_sql_running are yes, there is no error hint below.4. VerificationCreate a database in MySQLmysql> CREATE DATABASE Emlog;Query OK, 1 row affected (0.01 sec)And see if there's a database on MySQL from the top.mysql> show databases;+------
All-purpose Engine Features of The adodb php database:1. You can standardize the connection and use of various databases in PHP.2. It can help us provide development efficiency in PHP and quickly convert various databases3. relatively simple to use4. Strict writing requirements, case sensitive5. Rich built-in functions
How to configure and use ADODB PHP1. Download the compressed package of the ADODB For PHP class library2. decompress the package to an
: Note: Docbase is the location of your Web file, and I am using E:/myworkspace/test. Path can not write, but must be written on Linux, Windows does not write my test can be used, it is best to write. The test.xml specified here are not C:/Program Files/tomcat 5.5.7/webapps/test as we normally use, but the same purpose is to use http://localhost:8080/test/to access , which is equivalent to the virtual directory under IIS, can be arbitrary.
2. Establish context.xml under C:/Program files/tomcat 5
From: http://www.cnblogs.com/aodailiheben/archive/2008/08/06/1262227.html
For the sqlserverexpress database connection configuration, I have seen it several times before. I have seen it again in an open-source software this morning. I feel it is necessary to have a clear understanding of it, example:Connectionstring is used when sqlconnectionstringbuilder is instantiated, for example, sqlconnectionstringb
;
+--------------------+
| Database |
+--------------------+
| information_schema |
| MySQL |
| performance_schema |
| Test |
+--------------------+
4 rows in Set (0.01 sec)
Set Password mysql> set password for ' root ' @ ' localhost ' =password (' password ');
Query OK, 0 rows Affected (0.00 sec)
You do not need to restart the database to take effect. During the MyS
: ro_password
driver-class-name: com.mysql.jdbc.Driver hikari:
pool-name: HikariCP
auto-commit: false
...
In the development environment, it is not necessary to configure the master-slave database. Only need to set two users to the database, onerwwith read and write permissions, oneroonly select permission, this simulates the production environment of the master-slave
Tags: style blog http ar sp data on log BSAtitit.gui Control and panel ---- Database area-mssql Permissions Configuration Report view members1. Configure Server Connection Permissions 12. Configure Database Permissions 13. Set Table / view Security 21. Configure Server Connection permissionsConfigure Server logins -database
SQL Server 2008R2 or SQL R2 installed after the installation of Mirror,xenapp or XenDesktop installation, the database connection tool after installation, the local configuration file will also need to set the failover, details are configured as follows:Configure the database failover for the Mf20.dsn file for IMA. The config
Operating System: CentOS 7.0 64-bit
MongoDB database version:mongodb-linux-x86_64-2.6.5
preparatory work: MongoDB Database Installation
Specific actions:
First, configure the MongoDB main Library
The following actions are performed on the MongoDB main library server
1, cd/usr/local/mongodb/#进入MongoDB安装目录
Vi/usr/local/mongodb/mongodb.conf #编辑, add the fol
A Java-dependent JVM virtual machine, so that the JDK is installed in the systemSecond, the official website address download the Windows Community version of the compressed package: neo4j-x.x.x alpha05 (Windows)Thirdly, rename the extracted file to be placed under any drive letter: D:\neo4j-community-3.4.0Inside such as bin, conf, data, plugins folder and so on no longer do explain, installed so many software, do not look at the content also know these folders is what to do.Iv.
Tags: cmd span tar win Windows Learning storage configuration srcIntroduction Mean is a full stack development framework for JavaScript. More about The storage of persistent data with MongoDB is a part of mean web full stack development. MongoDB is a product between a relational database and a non-relational database, and is the most versatile and most like relat
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