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Connect Oracle database to ora 12557 error using Plsql:Solution:1: First make sure the service and the listener are turned on2:f:\app\administrator\product\11.2.0\dbhome_1\network\admin the string connection in the TNSNames configuration file is configuredThis path is based on your Oracle installation path3: If not, delete the environment variable Oracle_home in
Label:Just loaded sql2008 R2 today, when preparing for remote connection (version R2), the following error occurred.Then look at the various services and whether the protocols are open. The following are service statusesProtocol StatusThe Open service and protocol are all open, but this is still the problem. By looking up data, searching, the problem is that the TCP/IP service is a 5-digit number.After you
Tags: successful login prompt window PNG code res ARP configurationEnvironment:Django==1.9.13psycopg2==2.7.5python 3.6.5postgresql 1.18.1There was a problem configuring DjangoCheck setting, problem: The connection is unsuccessful because the user Postgres in the installed PostgreSQL does not have a default passwordSolution: Reconfigure UsersAt the window command prompt:C:\>psql-h localhost-u postgres //login without p
,name,open_mode from V$pdbs; the -con_id DBID NAME Open_modeWuyi---------- ---------- ------------------------------ ---------- the2 1902492643 pdb$seed READ only -3 3763780899 PDBORCL Mounted Wu -sql> Alter pluggable database PDBORCLOpen; About $The plug-in database has been changed. - -Sql>SelectCon_id,dbid,name,open_mode from V$pdbs; - Acon_id DBID NAME Open_mode +---------- ---------- -------------
Buffe His also solved, my trouble continues, still continue to look forScenario 3 Problem solved, unexpectedly is max_connections=1000 he said too much, and then changed to 500 also said more, but delete the problem solved. Or not?Scenario 4/var/lib/mysql all file permissions to Mysql.mysqlNo, No.Scenario 5 Summary: Resolve cannot pass MySQL . Sock connection to MySQL problem The main tip is that you cannot connect to
Tags: style blog color sp for strong data div onTest the connection condition:"1045-access denied for user ' [email protected] (using Password:no)" will appear if the remote login user is not added to the permissions that all machines can access, which indicates the need to add permissions;Add the following command:1 Grant all on * * to username @ "%" identified by " password "; 2 flush privileges;By completing the above steps, you can access the MyS
Tags: system error message "denied SELECT permission for a object" user SA is not available650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M00/54/6D/wKiom1SBw3aA81pLAAF8QwqrRuc897.jpg "title=" Qq20141205223825.png "alt=" wkiom1sbw3aa81plaaf8qwqrruc897.jpg "/>650" this.width=650; "src=" http://s3.51cto.com /wyfs02/m01/54/6b/wkiol1sbxbxglgxpaaggm4eu_di605.jpg "title=" Qq20141205223650.png "alt=" WKioL1SBxBXgLgXpAAGgm4eu _di605.jpg "/>.... For mor
When we use the client and its remote connection to the server MySQL database, the following problems are easy to appear:Problem Code CodeERROR 2003 (HY000): Can ' t connect to MySQL server on ' 192.168.0.19 ' (111)ERROR 2003 (HY000): Can ' t connect to MySQL server on ' 192.168.0.19 ' (111) The reason is the MySQL database
Database SQL Server ADODB You want to use ABODB to connect to the SQL Server database. PHP is version 5.2, installation path "C:\PHP\APMServ5.2.6\PHP" The site is deployed in "C:\PHP\APMServ5.2.6\www\htdocs\xjjxV2". Download Abodb and unzip to the directory where the website is located. test.php in the Site directory, the code is: Connect (' 192.168.127.43 ', ' sa ', ' 123456 ', ' BI '), $rs = $conn->
Yesterday, a customer called me and anxiously asked me to solve a problem. It turned out that a website I helped him four years ago suddenly had a problem. I connected the customer's website, an error was reported: ADODB. Connection (0x800A0E7A)No provider found. The program may not be correctly installed. I have never encountered this problem. I Googled it and found that the solution to this problem wa
Label:Original link: http://blog.csdn.net/trassion/article/details/7846299Go to the official Microsoft website https://www.microsoft.com/zh-cn/download/confirmation.aspx?id=26728Download the following three files:1, Sqlsysclrtypes.msi 2, Sqlncli.msi 3, Sharedmanagementobjects.msiInstall in order (note the order, because there are dependencies between them).You can also repair the installation VS2013 Select a database part of the installation. (not tes
When using owncloudDatabase Connection Error, Which is generallyMySQL user permission ErrorOf, weYou need to delete all the users and tables created by owncloud., Starting from scratch, the following is the solution. Solution: Drop database
Issue background:Client-----------LB----------RS (single) Access OKClient-----------LB----------RS (more than one) Access exceptionSpecific phenomena:401 Authentication failed for multiple RS accessCause: The session of the RS is stored locally and the two RS are not sharedSolution: Temporarily open the session to keep it good, long-term resolution needs to share session.Request Connection database authenti
Tags: ZabbixError message:4689:20141229:182600.308cannotconnecttothedatabase.exiting... 4993:20141229:182600.599startingzabbixserver.zabbix2.2.1 (revision 40808) .4993:20141229:182600.599******enabledfeatures****** 4993:20141229:182600.599snmpmonitoring: YES4993:20141229:182600.599IPMImonitoring: YES4993:20141229:182600.599WEBmonitoring: yes4993:20141229:182600.599 VMwaremonitoring:YES 4993:20141229:182600.599jabbernotifications:yes 4993:20141229:182600.599eztextingnotifications:yes4993:20141229
How to solve an error when connecting to the mysql database: bitsCN.com How to solve an error when connecting to the mysql database 1. mysql ERROR 2003 (HY000): Can't connect to MySQL server on 'localhost' Solution: disable the firewall and run commands in linux. [
WordPress "Unable to move uploaded files to" Error resolution, WordPress solution Today in the Web page upload pictures to the blog, the results prompt: "Unable to move the uploaded files to/home/wwwroot/wp-content/uploads/2013/", depressed, considered to be a permission problem, modified the file, have changed to 777 of the permissions, but still cannot write,
This problem in "solve WordPress upload picture appears" Upload error occurred, please try again "problem" has met once and can be resolved, but this time the problem seems to be different. To help friends move WordPress, in the editing content upload pictures when there are such error prompts, and the original waterma
Scenario: Com.microsoft.jdbc.sqlserver.SQLServerDriver JDBC Driver is selected in Iroport; Classnotfounderror error occurred while connectingWhen you see the following red database driver. Don't be silly to click on the test. Must be an error.1. Because the system does not have your SQL Server jar.So you should now download your corresponding jar.Here I offer the
WordPress's "unable to move uploaded files to" error solution: wordpress Solution I uploaded images to my blog on the webpage today. The result is: "The uploaded files cannot be moved to/home/wwwroot/wp-content/uploads/2013, I think it is a permission issue. I changed all my files to 777 permissions, but they still cannot be written and Images cannot be uploaded.Simply, I checked the permissions of the root
Today we're going to talk about a real job. To create a Web site using IIS: An Access database connection error, check the resolution of the database parameter settings in the conn.asp file 1, path design error, with Notepad open conn.asp, If you are an Access
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