The concept of change sets is introduced in conformance CDC. A change set can include several tables that have relationships with each other, such as a primary foreign key reference relationship. The CDC can guarantee data consistency when capturing and releasing changes in a change set. This exercise describes how to use a CDC that guarantees consistency.1 Environment PreparationSOURCE table: Odi_src. Dept,odi_src. Emp Target table: Odi_tag. DEPT, Odi_tag. Emp Configuration topology See the cre
Oracle client connection remote Oracle service Chinese garbled problem, oracle Chinese
When the local machine remotely connects to the remote Oracle service, the following retrieval statement is written:
Select * from sys_employee
Chinese garbled characters appear in the results, but the remote server's PL/SQL retri
Oracle
Oracle DAB two day crash course
The purpose of this course is to supplement the DBA's two-day quick (2 days dba) manual. In this course, you will learn more about the tasks outlined in the DBA's two-day quick (2 days dba) manual, and include step-by-step instructions. To view the information for this course, click the following Chapter title: Course List 1 What are the elements of the Management
Label:If we encounter the need to take data from the database of other systems for statistical analysis, the suspect chooses to use ORACLE 's ODI tool for the number of votes, but the other side of the database provided by the user does not have any objects, just have to query all the table permissions, so the data can not be reversed. So decided to use materialized view, the data in the other database to t
Summary
Oracle Database is a well-known leading database system on Unix hardware platforms. Oracle users and administrators are therefore familiar with the Oracle architecture on the UNIX platform and the tools and skills above it, and get the greatest benefit from their databases. On the contrary, Oracle architecture
1. Products used: ArcSDE 9.3 + Oracle 10.2.0.1
2. Problem description: arcmaploud is used for spatial data, and the operation is performed within several minutes. The arcmapis does not respond, the CPU usage of the data warehouse server is 100rmb, and the number of gsrvr.exe processes is 10 +.
3. Solution: Upgrade Oracle from 10.2.0.1 to 10.2.0.3 or. 2.0.4.
4. Cause: According to ESRI engineers, oracle10
Today, with the NAVICAT for Oracle connection Oracle because it used to be connected with pl/sql, since the use of a period of time navicat for MySQL found good, the whole software is very small.
When you can connect, the username, password, and address are all correct, just can't connect. The following error occurred:
It means: You cannot create a OCI environment;
The problem is that we need to co
If we encounter the need to take data from the database of other systems for statistical analysis, the suspect chooses to use ORACLE 's ODI tool for the number of votes, but the other side of the database provided by the user does not have any objects, just have to query all the table permissions, so the data can not be reversed.So decided to use materialized view, the data in the other database to take ove
How to uninstall oracle and uninstall oracle
Oracle Database, also known as Oracle RDBMS, or Oracle for short. It is a relational database management system of oracle. It still occupies a major share in the database market. Lawren
How RAC Works and related components (iii)
Overview: write down the original intent and motivation of this document, derived from the Oracle Basic operating Manual of the previous article. The Oracle Basic Operations Manual is a summary of the author's vacation on Oracle's foundational knowledge learning. Then form a summary of the system, a review review, the other is easy to use. This document is
How to view and modify the oracle Character Set and view the oracle version ?, Oracle Character Set1. view the database Character Set
Database Server Character Set select * from nls_database_parameters, which is derived from props $ and represents the character set of the database.
Client Character Set environment select * from nls_instance_parameters, which is f
Oracle (zero) --> pseudo-column and group aggregation (starting from Oracle, relatively beginner ~), OracleIn the beginning ~It's time to start school .. What does it have to do with me ..), After all, I took up my job even though I didn't know what it was during the summer vacation. I watched my classmates show around me. = It's too much. Just try again .. I learned Or
ORACLE-013: kill deadlock process in oracle, oracle-013oracle
In oracle, stored procedures or functions that frequently access packets may cause deadlocks. Scripts of deadlocked objects cannot be run, causing freezing or an exception: too many connections are opened.
In this case, you need to use the dba account to k
ORACLE-018: ORACLE tip 001 string processing, oracle-018oracle
1. truncate a string
Oracle uses a function substr to intercept a string. The parameter is substr (string, start position, and truncation length ),
For example, if the string 123,112 needs to be removed by a comma, the truncation function is as follows:
Method One: Use the Pl/sql Developer tool to export:Menu bar---->tools---->export Tables, the following figure, set the relevant parameters can be:
Method Two: Use CMD's Operation command to export, the details are as follows:The 1:g:\oracle\product\10.1.0\client_1\network\admin directory has a Tnsname.ora file that reads as follows:
Copy Code code as follows:
Cmstar =
(DESCRIPTION =
(Address_list =
(address = (PROTOCOL = TCP) (H
Oracle User Management
First, the concept of the user
Users, or user, is a popular way to access Oracle database "people." In Oracle, the user's various security parameters can be controlled to maintain the security of the database, these concepts include schemas, permissions, roles, storage settings, space quotas, access resource constraints, database auditing
EXP Export Oracle database table: (as native administrator), refer tohttp://jiqinlin.iteye.com/blog/758469 Export TABLE: Exp username/password @localhost (IP address): Port number/Database instance name file= local address \ Want to generate an indication. DMP owner= (username, Password) eg:exp C # #tjuser/TJUSER@LOCALHOST:1521/ORCL file=c:\adc160624.dmp owner= (C # #tjuser, Tjuser)//tables under the current user
database name, instance Name query: (A
Tags: process build rail info from BSP content lag stop For non-Oracle DB, SQL Server is a sample description: My train of thought A:oracle DB production B:oracle DB Intermediate machine C:sqlserver db destination a-> b->c Note: B on both the rep process also has the EXT process, at this time. There is also a need to establish a rep process for B.A->b can complete the online initialization synchronization (EXPDP based on SCN number)After the initializ
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