Database port number and other configuration (transfer), Database port number Configuration
I. Oracle
Driver: oracle. jdbc. OracleDriver
URL: jdbc: oracle: thin: @
Port_number: port
Normal database connection string configuration, which is the case where the MSSQL server port is 1433 (default).But sometimes, for the database server to be secure, the port is changed to something else, and then connecting to the database may report the following error:An
# Informixdir =/home/Informix
# Export informixdir
Since the directory structure of the Informix Online 921 installation package RPM downloaded by interware is/opt/Informix or/usr/Informix, not necessarily/home/Informix. The installation command is as follows:
# Rpm-IVH-Rel
shared memory through IPC (internal process Control) mechanism, which is generally used for server;Onsoctcp represents a network connection and uses the TCP/IP protocol, which is typically used by clients. hostname : Host nameMust correspond to the definition of the host name in the/etc/hosts file. ServiceName : Service Namemust correspond to the servicename in /etc/services . Edit the/etc/services file as root# vi/etc/servicesAt the end of the file add:SqlExec 9003/tcpsqlexec_net 9004/tcpand
INFORMIXDIRSince the directory structure of the informix online 921 installation package rpm downloaded by interware is/opt/informix or/usr/informix, not necessarily/home/informix. The installation command is as follows:# Rpm-ivh-relocate/opt/informix =/home/
sql2008 is already occupied, sql2012 consumes 3153 ports, and if the normal connection database is usually used to write IP only when the IP address of the server to which the data resides, it will not write the port number or be connected. But the machine installed two data, the engine does not know which to even, so if the direct write IP address, and do not s
statistical values to 0Onstat-g ATH Display threadONSTAT-G SEG Display Memory informationOnstat-g Rea Show Waiting threadOnstat-g Act shows active threadsOnstat-g IOF display Chunk Read and write informationOnstat-g IOQ Display AIO queue informationONSTAT-G NTU Display network port read and write informationONSTAT-G NTD display thread read and write information13. Programs that can be run under X-windows$ Onperf
This article assumes that everyone's use of informix starts from scratch, and will introduce the detailed steps from zero to maximize use of informix.
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1: Download the informix-online database server LI
exactly th E same number. I suggest that you read the Setting up TCP/IP section below and in particular the SERVICES file section Within that.could not find objectThis problem occurs because the machine for you are installing on has a incorrect or obsolete version of the Borland Database Engine (BDE) already present. This can is corrected by downloading to the BDE correction program, running it, and reinst
Informix IDS databases are widely used in various industries such as finance, telecommunications, and postal services. It is a multi-threaded relational database server that adopts symmetric multi-processor technology and single-processor architecture, it also has advanced technologies, performance, high reliability and high availability. It provides users with dynamic system management tools to monitor and
The normal database connection string configuration, which is when the MSSQL server port is 1433 (default. The normal database connection string configuration, which is when the MSSQL server port is 1433 (default.
But sometimes, for the sake of da
enabled.2. "IP Address" tabifThe "Listen to all" in the "Protocol" tab is "No", each IP address can have its own properties. If enabled is set to No, the NIC is blocked from listening for TCP/IP connection requests.if"Listen All" is already set on the "Protocols" tab, the "IP Address" tab is only valid for the settings of the "IPALL" property box. second, static ports and dynamic ports (1) static port The default instance of SQL Server listens for
Label:The Oracle default port number is 1521. It's easy for hackers to scan and remember your database every day. So it's necessary to modify the default port number. 1. Check the listening status first Lsnrctl status 2. Turn off monitoring Lsnrctl stop 3. Modify the Listeni
Normal database connection string configuration, which is the case where the MSSQL server port is 1433 (default).
But sometimes, for the database server to be secure, the port is changed to something else, and then connecting to the database may report the following error
Recently, using SQL Server as a Java database for development, when writing the connection string, think of a problem, how to find the port number of SQL Server? There are two ways1, using Stored procedures
--Query port numberEXEC Sys.sp_readerrorlog 0, 1, ' Listening '
The results are as shownWhich one do you
for INFORMIX20-100 disk count/2> 100 disks/4 cannot exceed 128)
2. CPU
The INFORMIX Dynamic Database Server uses an advanced multi-process multi-clue mechanism for CPU processing, that is, using virtual processer virtual processor (VP) to manage physical CPU resources and balance CPU loads, cpu vp has a major impact on performance. We can regard the cpu vp as a virtual CPU managed by the
Change the port number of the MySQL database in XAMPPIf you have a MySQL database installed on your computer and you want to use a database that comes with XAMPP, you need to change the port n
CPUs, 2 GB memory, and the hard disk uses raid 5 technology. The OS is SCO Unix 5.0.6, and the database is Informix 7.31uc5. During the test, the machine is basically idle. The onstat-d command output result is as follows:
Informix Dynamic Server Version 7.31.UC5 -- On-Line -- Up 7 days at 20:44:47 --
307200 Kbytes
Dbspaces
Address
One: Download informix-online database server Linux trial system
Address:
After registering successfully, enter the Evlaute (or evaluation or trial download) link page, login into the download page and select the Informix product you want. Because this article takes Linux as an example, download
informix_dynamic_server_2000 Bar is informix_dynamic_server_2000
, it contains the primary key used to identify a unique row and each row identifies a record. As shown in the following table, the primary key is (meter_id, data_date), that is, the electric meter number + time point uniquely identifies a record. An electric meter is recorded at each effective time point.
Figure 1. Table Structure of a relational table
2.2 Informix Time Series Model
The TimeSeries model st
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