Oracle

This period of time to maintain a customer's system, the system uses the Oracle database, previously developed using MSSQL, and did not use Oracle. Although these two databases are relational databases, the specific operation is very different, here

First ask the table space name and size of the other database, then create the appropriate tablespace in your Oracle, and finally use the command to import and export the data.Add:1. To create a new database;Oracle data import and export imp/exp is

First, MySQL database paging queryMySQL database implementation paging is relatively simple, providing the limit function. It is generally only necessary to write directly to the SQL statement immediately after the line.The limit clause can be used

I'm going to talk about a problem here. Added a header file to the practice example#include And then I can't compile, I always say I can't find oraca.h.And then I changed it.EXEC SQL INCLUDE Oraca;This will be the successful compilation of the

It is said that the use of Hibernate framework can easily enable your research and development platform to support a variety of different types of databases, but the practice shows that the "easy" here is relative.It's not a simple thing to have a

Today on the Internet to see a friend asked: Why in the way of ASM storage Management is clearly set only log_archive_dest_1 to specify the path of the archive, but in ASM found two archived log files? (Not open Flashback)I looked up some

Triggers using tutorials and naming conventionsDirectoryTriggers using tutorials and naming conventions 11, Trigger Introduction 12, trigger Example 23, trigger syntax and features 34, example one: row level trigger 145, example two: row level

The archive log (Archive log) is a non-active redo log backup. By using archived logs, you can keep all the redo history, when the database is in Archivelog mode and log-switched, Background process Arch will save the contents of the redo log to the

The Server.xml configuration for Tomcat is as follows: The error message is as follows:Java.sql.SQLException:Io Exception:connection refused (description= (tmp=) (vsnnum=169870592) (err=12505) (error_ Stack= (Error= (code=12505) (emfi=4))))

Oracle post-installation directory structure[Email protected] admin]$ cd/u01/oracle[email protected] oracle]$ LLTotal 20Drwxr-x---3 oracle oinstall 4096 06-04 16:19 admin--oracle trace files and log filesDrwxr-x---3 oracle oinstall 4096 06-04 16:21

In 9i, Oracle introduced the concept of flashback, which can return data to a point in time, but is not yet supported for DDL statements such as Drop/truncate. Entering the oracle10g, this flaw has been remedied. The missing table can be retrieved

1.su Oracleand start the listener.1.lsnrctl startYou will see the interface to start successfully;1.lsnrctl stopStop the Listener command.1.lsnrctl statusView listener commands.The security of an Oracle database consists of two parts:1. Part of the

The distribution of data stored in the database is clearer than the Oracle optimizer, where the optimizer cannot make the most of the query path selection, using the hint (hint) artificial fixed query path to a certain extent to generate a better

#!d:/python/bin/python__author__ =  ' Stone ' #引入oracle支持包import  cx_oracleimport tracebackfrom  pip.backwardcompat import raw_input# Defining Functions #+++++++++++++++++++++++++++++++++++++++++++++++++++++

* Definition: The AWR report is a performance collection and analysis tool provided under Oracle 10g that provides a report of the overall system resource usage over a period of time, and through this report, we can understand the whole operation of

1. Configuring MonitoringThis assumes that the CDB database named Orcl,pdb is under the CDB name PDBORCLListener.ora Add (#后面为注释, do not add in)Sid_list_listener = (sid_list = ( Sid_desc = (global_dbname = ORCL) (sid_

Background introduction:Environment: Linux 5.5 + Oracle 10.2.0.4A normal table T, due to improper design of the previous period of time, the amount of data has reached 900 million +, the space occupied about 350G, the online redefinition of the

--create user test identified by 1 account unlock;--grant Resource--grant Create any table, alter any table, drop any table, lock any table, select all table to test;-- Create a test table, the following uses online redefinition to convert a table

Oracle Log File LocationOracle log files include warning logs, trace logs, audit logs, redo logs, and archive logs.Warning log: the alert log, which corresponds to the background_dump_dest set in the system initialization parameter file.Trace log:

ORACLE does not have parameter files and control files. How can I restore databases through rman?Scenario: a dev tells me that a user's table cannot be seen in the production environment and needs to be restored. At this time, the disk directory