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CI Configuration Multi-database access method, CI database access
The example in this paper describes how CI configures multiple database access methods. Share to everyone for your reference, as follows:
1, modify the datebase.php file, will:
$db [' XXX '] [' pconnect '] = TRUE;
Modified to:
$db [' XXX '] [' pconnect
Blood cases caused by improper SVN configuration of the Global Network (unauthorized access to Redis/GETSHELL/database configuration information leakage)
Blood cases caused by improper SVN configuration of the Global Network (unauthorized access to Redis/database
default, the log clears the previous log, writes, and if you want to append, you can use the Logappend=trueTo start the process after configuration:6. Close service: Db.shutdownserver ()Second, the data backup recovery:MONGO Database Backup Recovery1. File backup (Cold)Directly back up the MongoDB data directory. You need to stop MONGO server copy data directory for a full and effective backup.2. Tool Back
In hibernate , you can configure many kinds of databases, such as MySql , sql Server , and oracle
. Here are a few major databases 1. MYSQL Connection Configuration MYSQL Hibernate connection settings for the database, in the hibernate.cfg.xml file --> - true indicates that the SQL sent by Hibernate to the database is displayed
EntityFramework-based Master/Slave database read/write splitting architecture (2)-Improved Configuration and added transaction support, and database Master/Slave SeparationGo back to the directory and check the complete code.Directory in the (https://github.com/cjw0511/NDF.Infrastructure): src \ NDF. Data. EntityFramework \ MasterSlaves last in the middle (http:/
Label:A project was previously deployed in Wuhan and deployed in Nanjing. Because it is in line with others to do, the database is built by others to complete, we are only responsible for the database of several tables of data processing. The previous database name is Projectwh, when the deployment of Nanjing, the beginning is also used by the name of the Project
MySQL database master-slave separation configuration method, mysql database master-slave Separation1. Introduction
Setting read/write splitting for the MySQL database enables write and read operations on the database to be executed on different servers, improving the concurr
MySQL database server master-slave configuration, mysql master-slave ConfigurationA B is two MySQL servers with binary logs enabled, database Version MySQL 5.5 I. server parameters [A server 192.168.1.100] server-id = 1binlog-do-db = testbinlog-ignore-db = mysqlreplicate-do-db = testreplicate-ignore-db = mysql sync- binlog = 1 [B server 192.168.1.101] server-id =
01. Data Access Object Pool TdbapoolA. Assigning Access objects: Dbapool.allocateobject; Create a new one every timeB. Return to the object of Access: Dbapool.releaseobject (tdbaccess); Release and log OutC. Number of allocated objects: dbapool.allocatedobjects;02. Processing of server-side database configuration information: TdbconfigA. Taking the existing registered d
Add Resource in Tomcat 5.5/CONF/Catalina/localhost/XXXXX. XML (XXXXX. XML is your web configuration XML file)
Type = "javax. SQL. datasource"Driverclassname = "com. MySQL. JDBC. Driver"Password = "********"Maxidle = "2"Maxwait = "5000"Username = "root"Url = "JDBC: mysql: // localhost: 3306/jnestore"Maxactive = "10"/>
The above is the configuration of Tomcat 5.5. Only in this way can Tomcat 5.5 be effect
" errortracingenabled= "true" maxrequests= "32"
defaultstatementtimeout= "2"/>
The defaultstatementtimeout unit is seconds, depending on the business configuration.
If you want to set the timeout for only one statement, consider:
The front line reported the following error, because statement execution timed out.
CAUSE:JAVA.SQL.SQLEXCEPTION:ORA-01013: User requests to cancel the current operation
3. Spring Transaction Manager
Master-slave switchover for mysql database master-slave Database ConfigurationMySQL: master-slave Replication (Replication) setup introduces the MySQL master-slave configuration process. This article introduces the manual master-slave switchover process.I. Environment InformationMaster database 192.168.1.60/3306 host n
1, the problem
When you start activiti-explorer when you configure the Activiti database, you find the general report "ORA-12505, Tns:listener does not currently know the SID given in Connect desc." 2, solve (1) using the instructions on the Web, modify the Oracle listener configuration file and cannot be resolved.
Modify Listener.ora, (Find-name Listener.ora can find the file) as:Sid_list_listener =(Sid_l
Tags: thinkphpBecause all applications (projects) of the entire site need to be connected to the database, they should be set up separately in each project's configuration file. In the future if the database connection information has been modified, you have to modify the configuration file one, so it is not suitable f
Summary of MySQL database optimization technology configuration skills, mysql database
This article describes how to configure the MySQL database optimization technology. We will share this with you for your reference. The details are as follows:
(1) reducing Database Access
Tags: profile user name database connectionIf the configuration file is Dblink.properties, under the Conf folder in the root directory of the project,The contents of the configuration file are as follows:JDBCURL=JDBC:ORCALE:THIN:@172.16.5.22:1521:XXDB (database name) user=xxxx (user name) password=xxxx (password)The
This article mainly describes how to use the property injection and constructor injection implementation of our project to be used in the database parameters to the XML file, to facilitate deployment.
Spring MVC 4.2.6 ProjectSQL Server 2008 Database
This article describes the main use of applicationcontext and its implementation class implementation. The main use is classpathxmlapplicationcontext.Classpathx
Tags: har led Ted object encoding row injection base postConfiguration through the configuration file XML method You can use a very concise service class The UserService class code is as follows: Package Com.swift;
Public class userservice {
private Userdao Userdao;
Public void Setuserdao (Userdao userdao) {
this. Userdao = Userdao;
}
Public Boolean Add () {
return userdao.add ();
}
} UserService to call
Database port number and other configuration (transfer), Database port number Configuration
I. Oracle
Driver: oracle. jdbc. OracleDriver
URL: jdbc: oracle: thin: @
Port_number: port number. The default value is 1521.
Ii. SQL Server
Driver: com. microsoft. jdbc. sqlserver. SQLServerDriver
URL: jdbc: microsoft: sqlserve
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