We sometimes encounter data that needs to be accessed not only on the local server, but also on the remote database server, for example, if we store data with the same table structure on the two servers, what should we do if we combine the two data
When using SQL Server, many beginners will encounter the problem that SQL Server Management studio cannot connect to a remote database instance. The error is described as follows:
An error has occurred while establishing a connection to the server.
Oracle 11g RAC remote database login time and OS time difference 16 hours solution
Help colleagues install the RAC database of Oracle 11.2.0.4 for project stress testing. The operating system is red flag server 3.
Today, my colleague suddenly called
D:/Oracle/product/10.2.0/db_2/Network/admin
6. Modify the tnsnames. ora file D:/Oracle/product/10.2.0/db_2/Network/admin/tnsnames. ora in the Oracle installation path and addXxx =(Description =(Address_list =(Address = (Protocol = TCP) (host = 19
PHP read remote database transfer speed problem?
I now have some pages to hang on to someone else's website, and then to read data from my database to those pages display, if the direct mysql_connect () connection to read the data will not be very
When using SQL Server, we will encounter the problem that SQL Server Management Studio cannot connect to a remote database instance. The error description is excerpted as follows:An error has occurred while establishing a connection to the
In the same LAN, the client can not access the remote server, and after the personal summary of the online data, the following settings are required(1) The exception must be set on the Oracle server servers:Control Panel->windows Firewall, advanced
--To view the current link situation:Select * fromsys.servers;--use Sp_helpserver to display the available serversExecsp_helpserver--Delete a link that already existsExecSp_droplinkedsrvlogin server aliases,NullExecsp_dropserver Server Aliases--use
Mysql.class.php file See http://www.jb51.net/article/25496.htm
Copy Code code as follows:
Include MySQL operations class
Include_once ' Mysql.class.php ';
Local MySQL Data
$mysql _local_data = Array (' db_host ' => ' localhost '),
'
The work often tells a database server about JDBC connection information, not the database version, so that development is not afraid to use the latest features of the database. I wrote a small program to detect the remote database server
First step: Open the/phpmyadmin/libraries directory
Step Two: Modify the config.default.php file (Vim editor available under Linux, vi or EE editor under FreeBSD) to find the "Allowarbitraryserver" code content$cfg [' allowarbitraryserver '] =
1. The following error occurred: Ora-12541:tns:no Listener, as shown in:The reason for the error is that we do not have the Listener listener service open and the workaround is to open the service in the service as shown in.2. The following error
If you encounter the exception prompt in the client tool such as Dbeaver:At this point, you need to log in to the server and set up your MySQL and restart MySQL as follows
Vim/etc/mysql/my.cnf
Configure the bind-address inside = 127.0.0.1
The Oracle database is not installed locally, but you want to use PL/SQL to connect to the server-side database.1. Create a new network folder, under which you create a new admin folder under which to create a new Tnsnames.ora file (copy the
Title Createtime--author:marydon1. Scene reproduction2. Problem resolutionThe Oracle database is not installed on this machine, so the plsql does not start.3. SolutionCopy the instantclient_10_2 to the Plsql installation directory--The absolute path
First, install PL/SQL Developer: Https://yunpan.cn/cM3njKpfK8MnT access Password 996aSecond, re-install Instantclient_11_2: Https://yunpan.cn/cM3nYJv6KJg5V access Password c864After the download is complete, unzip to any disk, as follows:Open
Security, access to the database is mostly limited, so there is a direct problem is that often, on other machines (such as their own local), is not able to access the database, to daily use caused great inconvenience. So a few days ago to do a
--View Current link situation:SELECT * from Sys.servers;--use sp_helpserver to display the available serversExec sp_helpserver--Delete a link that already existsExec sp_droplinkedsrvlogin Server alias, NullExec sp_dropserver Server Aliases--use
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