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Recently because to write a project interface, the need to remotely connect the Oracle database, just at the beginning because I installed a local MySQL, so used to connect the local MySQL, the interface is generally finished in Tomcat test under, also can run through, but later to change the database, So you want to install a local
1.1 Data Management Overview 1.1.1 what is Data Management Compared with humans, the biggest advantage of computers is that they can run at high speed and accurately. The process of running computers is the process of executing program code and operation instructions and processing data. It can be said that data processing is the most basic function of a computer, and data
Management is an important part of data processing. Before further explanation, we need to clarify several basic concepts.
I
error_log; create sequence error_seq; create table error_log (error_id NUMBER, username VARCHAR2 (30), error_number NUMBER, sequence NUMBER, timestamp DATE ); create or replace trigger error_loggerAFTER SERVERERRORON SCHEMADECLAREv_errnum NUMBER; -- the Oracle error # v_now DATE: = SYSDATE; -- current timeBEGIN -- for every error in the error stack... FOR e_counter I N 1 .. ORA_SERVER_ERROR_DEPTH LOOP -- write the error out to the log table; no -- co
The Oracle installation configuration tutorial is shared with you for your reference, the details are as follows
1, installation
Oracle version: Oracle DatabaseG Release 2 (10.2.0.1)
Download Address:
Http://www.oracle.com/technology/software/products/database/oracle10g/htdocs/10201winsoft.html
Installation settin
; Management--> Service and application--> service", in the right-hand list of services to find Oracle service items, selected on its left can stop service;
2, in DOS run regedit open the registry, open the path:
Hkey_local_machine\system\currentcontrolset\services\
Delete the file with Oracle below it, and then locate the following path under the same path:
Hkey_local_machine\system\currentcontrolset\s
At the Oracle OpenWorld Conference in San Francisco in 2015, Oracle released the beta version of database 12.2, although the beta version is only available to some users, But the conference has unveiled 12.2 of the most important new features, and cloud and Emme are beta users of O
######################################################################1, Oracle Industry entry must look: Oracle DBA Database Senior Engineer Career Learning guide and career planning (free)Http://edu.51cto.com/course/8614.html2, Oracle Cloud
A few days ago, Oracle Database not only acquired Sun, but the database giant also acquired Java. Larry Ellison, the chief character of Oracle, also considered JAVA as the most important technology in all Oracle acquisitions. But now the fate of Java is in the hands of
oracle| Data | database
In order to protect the integrity of the data we used a lot of methods, such as data table primary key constraints, external
Key constraints, triggers, and so on, what we're talking about today is when we're dealing with data direct transactions
Wait, save the integrity of the data, for example, in a stored procedure I proc_savebill save a
Document, call a function Func_generat
Files that are remotely backed up on the client are saved on the host where the database resides and are not copied directly to the client. ——————————————————————————————————————————
First, whether your Oracle server is Linux or the Windows operating system, Oracle's backup and restore operations use Dbms_dump to implement import (backup) and export (Restore). First you have to install good pl/sql, use Pl/
Tags: is the log latest GPO blog font net Big data styleCommon versions of Oracle databases
In the development of Oracle database, the database has been in a state of continuous upgrade, with the following versions:
Oracle 8,
Larry Ellison, chief executive of Oracle, was in a good mood at the opening speech of the 2013 Oracle global conference. Part of the reason may be that the US team won the America Cup in San Francisco Bay earlier that day. Oracle is the main sponsor of the US Team.
Despite being absent from the conference call last Wednesday, Ellison seems to want to announce som
\ System-application.xml F:\app\Administrator\product\11.2.0\dbhome_2\oc4j\j2ee\OC4J_DBConsole\config\ System-jazn-data.xml F:\app\Administrator\product\11.2.0\dbhome_2\oc4j_applications\applications\em.ear F:\app\ Administrator\product\11.2.0\dbhome_2\oc4j_applications\applications\em\em.war [NS-20802]Oracle Net Configuration Assistant failure
Workaround: After downloading, there are 2 installation packages.
After decompression, the second package
The following articles mainly describe the Oracle Database Programming Application Instance using ADO in Visual C ++. If you are interested in it, you can click the following articles to view it. If you are curious about this newly developed technology, the following articles will unveil its mysteries.
1. Generate the application framework and initialize the OLE/COM library Environment
Create a Standard MFC
(conn, "LOG
In "),//The table name must be uppercase, remove all columns of the current table System.out.println (Tablelist.size ());
For (object object:tablelist) {string ss= (string) Object;
SYSTEM.OUT.PRINTLN (ss);
} catch (SQLException e) {e.printstacktrace ();
finally {if (conn!= null) {try {conn.close ();
catch (SQLException e) {e.printstacktrace (); }
}
}
}
}
The above is a small series for everyone to bring Java query Oracle
Blog.sina.com.cnsblog_68c266e701016dy3.html copies all the tables of task users in the oracle database on one computer (also known as computer A) to the oracle database on another computer (also known as computer B. Note: In order not to modify other items such as programs,
The http://blog.sina.com.cn/s/blog_68c266e701
It's a strange question. Just learn to do Oracle when you do a test when the database startup prompts ORA-08103 error, the following cloud Habitat Small series to give you a moment.
Database failed to start correctly due to ORA-08103 error in open procedure
The code is as follows
Copy Code
Attention:That Oci.dll file is not installed Oracle inside to be downloaded separately that compression package extracted inside theWhich D:\instantclient_11_1\oci.dll in the decompressionInstantclient-basic-win32-11.1.0.6.0.zip Compressed Package insideDLL file has been placed in the Baidu Cloud peer directory after decompression and put a position can be introduced in NavicatBaidu
,Username varchar2 (30 ),Error_number number,Sequence number,Timestamp date );
Create or replace trigger error_loggerAfter servererrorOn SchemaDeclare
V_errnum number; -- the Oracle Error #V_now Date: = sysdate; -- current time
Begin
-- For every error in the error stack...For e_counter in 1 .. ora_server_error_depth Loop
-- Write the error out to the log table; no-- Commit is required because we are in--
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