Oracle

With Oracle's standby technology, a single-instance database can be upgraded to a RAC database. This approach can effectively reduce the downtime for single instance migration to the RAC environment. This article describes the establishment of the

For the in-memory characteristics of 12.1.0.2 Many friends already know that there may be this confusion now I have a table to enable in-memory how much memory? How do you estimate this value? Here, I'm telling you, you can do what you want with

1. Brief Introduction: Oracle's Sql*plus is a client tool that interacts with Oracle. In Sqlplus, you can run the Sqlplus command and the Sqlplus statement, and the DML, DDL, and DCL statements that we normally refer to are sqlplus statements that,

The Oracle tutorial being looked at is the concept, usage, and planning of the Oracle rollback segment and resolution of the problem. Rollback segment management is always a difficult problem in Oracle database management, this paper introduces the

The Oracle tutorial you are looking at is Oracle 9i product documentation. I. Enhanced ScalabilityOracle9i Real application clusters is Oracle's next-generation parallel server series. Oracle9i Real application clusters provides transparent

What is CPU/PSUThe full name of the Oracle CPU is critical Patch Update, where Oracle releases a security patch package for each quarter of its products, usually to fix security risks in the product.The full name of the Oracle PSU is patch Set

Question: How to implement import and export between Oracle and Access tables in form programs. Answer to the question: Preparatory work: 1. Install OCA. Run the developer installation disk, select the custom installation, and select the Oracle

Rman can be used to back up primary or standby databases, such as tablespaces, data files, archive logs, control files, server files, and backup sets. 4.1 File copies Copies of the original file, somewhat similar to OS hot backup, can copy the

TRANSLATE (' char ', ' from_string ', ' to_string ') Translate returns a string that replaces each character in the from_string with the corresponding character in to_string. Translate is a superset of the functionality provided by replace. If the

The author has made a small system accessibility feature that can periodically access a URL, execute an SQL statement, or execute a system command. The execution of SQL statements and system commands is simpler, and there is no more detail here,

In Java, System.currenttimemillis () takes the number of milliseconds from 1970-01-01 00:00:00.000 to the current time, a long value.This value is now accessed in a table in the Oracle database and needs to be converted to a readable date

The JDBC Connection database uses the difference between SID and Service_Name most recently using JDBC to connect to the Oracle times error:ORA-12505, Tns:listener does not currently know of SID given in Connect descriptor the Connection descriptor

BackgroundUsing the EXP command after Oracle 11g does not export empty table (rowcount=0), is recently encountered in the work of a very pit problem, and even has been a pit more than once, so this lesson from the bitter experience, ready to solve

Previous Oracle backups were all exp, but exp has a problem with 11g, that is, the empty table cannot be exported.Recent Oracle Data migration, you need to export the empty table together, after searching, found expdb so this article.This article

The recent need to maintain an ASP. NET program that was developed almost more than 10 years ago, encountered a variety of bizarre problems, the more difficult to identify the problem is recorded as follows:Question one:The same SQL query results in

Oracle R12 Multi-organization access Control-MOAC (multi-org access Control) MOAC (multi-org access control) is a key new feature of Oracle EBS R12 for multi-organization access controls It enables the operation of multiple operation Unit (OU) under

Prior to the project because of the need to use the Oracle database, due to limited time to start learning from the foundation, and Oracle operation of the command interface is too unfriendly, so found the PL/SQL developer This very useful software

Oracle Video Tutorial GoalsOracle Video tutorial, wind Brother this set of Oracle Tutorial training to learn Oracle software version number, master Oracle patch classification, Current PSU release, Opatch patch tool and installation case, Nterim

Run the configuration and the net configuration Assistant in the Migration tool to configure the listener. Delete the configuration, and then reconfigure it.Remember to remove the configuration and reconfigure it first, not the new

In the near future, install Oracle 10g RAC on the customer based on SuSE SP3, and receive an error message when the Clusterware runs/u01/app/crs/root.sh is installed. Failed to upgrade Oracle Cluster Registry configuration because the current