Oracle

Problem Status:SYS, System user's password expires, unable to login.Error--ora-28001:the Password has expired (DBD Error:ocisessionbegin) after running the EM consoleWorkaround:1. Open SQL PLUS, enter user name sys/oracle as Sysdba2. Execute script--

Directory1 pre-conditions2 download transparent gateway3 Unzip the installation transparent gateway4 configuring TNSNames5 Configuring listeners6 Configuring the Gateway7 restarting Oracle Services8 configuration test9 creating

1, Oracle date in the internal representation is numeric format, precision from century to seconds.2. The default date representation format is DD-MON-RR (not yy)The difference between YY and RR:3. Date Operation functionExample:The second parameter

ODAC InstallationDownload ODACIn the. NET Framework 4.5, System.Date.OracleClient.dll contains many of the methods that Microsoft has given up. The. NET access to Oracle has a better choice, which is the components provided by ODAC.: http://download.

Oracle FOREIGN KEY (Foreign key) cascade Delete (delete CASCADE)TargetExamples of how to use cascading deletions in Oracle foreign keysWhat is cascading delete (DELETECASCADE)? Cascade Delete is when a record in the primary table (parent table) is

ScenarioThe columns in the original table are defined as VARCHAR2 types, and it is well known that the maximum support length for the VARCHAR2 type is 4000. If you want to convert this column to a CLOB type due to business needs, it is not feasible

Official Document: Http://docs.oracle.com/cd/E11882_01/nav/portal_11.htm1: Basic EnvironmentRedhat Enterprise Linux 6.132bitMemory: 1GBDisk space: 30GB2: Check the required packages for Oracle 11g, if not found in the Redhat Enterprise Linux 6.1

3.6. Cluster Management Command 3.6.1. Startup and shutdown of RAC Oracle RAC is powered on by default and can be used with the following commands if maintenance is required: Shut down:crsctl Stop cluster Stopping this

1. EnvironmentWin7 x64,oracle 11g r2,jdk6 x642. QuestionsThe first time you start Oracle SQL Developer will let us fill in the path of Java.exe, I found in the JDK installation directory of the bin Java.exe, but fill in the following error:3.

Non-Oracle DB is illustrated with SQL Server as an example:My train of thoughtA:oracle DB production B:oracle DB Intermediate machine C:sqlserver db destinationa-> b->c Note: B on both the rep process and ext process, at this time, C also need to

In this paper, the import and export of Oracle data IMP, exp Two commands are introduced, and its corresponding parameters are described, and then through a number of demonstration examples to drill, deepen understanding.At the end of this paper, we

As a loyal user of the command line, server-side software operations tend to use commands or scripts to complete, very annoying resources occupy a large GUI. The Oracle database is an important server-side software, and its installation operations

Soccer with Oracle Series (4): From Brazil fiasco in Germany, think of the difference in RAC topology comparison!Pre-review:Originally wanted to say tonight, back to think, it should be the second semi-finals this morning will be war! First to

One, using Microsoft OLE DB Provider for ODBC link MySQLInstalling MySQL's ODBC driver MYODBC1, for MySQL to establish an ODBC system data source, for example: Select the database as test, the data source name is MyDSN2. Establish a linked

The World Cup is the world each country in the football field the most coveted sacred glory, which national football team can get the champion, is the world first of the justified, and the whole worlds will be crazy boiling. The player who plays

guess: The SQL text in Oracle Ash report appears "* * SQL text not Available * *" for reasonsToday is doing HVR data synchronization software data synchronization test, due to the large amount of data (1 records 14M, contains LOB fields, 3,000

Original works, from the "Blue Blog" blog, Welcome to reprint, please be sure to indicate the source, otherwise hold the copyright legal responsibility.Deep Blue Blog:http://blog.csdn.net/huangyanlong/article/details/45854385Today, when the upgrade

1. Download Oracle 11g R2 for Windows version: http://www.oracle.com/technetwork/database/enterprise-edition/downloads/index.htmlThese include two compressed packages: Win64_11gr2_database_1of2.zip,win64_11gr2_database_2of2.zip2, unzip two

First, Creating the Database Schema/*1th Step: Create a temporary table space*/Create Temporarytablespace user_temp tempfile'C:\app\ORACLE\oradata\orcl\user_temp.dbf'size 50m Autoextend on Next50m maxsize 20480m extent management local; /*2nd Step:

Is null and is not null in SQL SERVER cause index failure ?, Sqlnull In fact, there is nothing to say about this problem. I encountered an SQL statement during optimization today. Because it is interesting, I have cut and simplified the SQL