Oracle

Error1. First check whether the current Windows account user name is full English, no new one, most users fail at this step, and the official did not explainHow to create a new: Start-to-control Panel-user account and home security-user

first, start and stop Oracle Stopping and starting Oracle needs to be switched to Oracle users so that no other user has permission to start and stop Oracle (including root and no permissions). 1. Run Sqlplus without logging on to

Oracle Import IMP-00010: Not a valid export file, header validation failedProblem Description:Oracle Import IMP-00010: Not a valid export file, header validation failedImporting a DMP file exported by Oracle 11g to oracle10gProblem: Import table

Pre-Export command:[root@powerlong4 ~]# su - oracle[oracle@powerlong4 ~]$ ORACLE_SID=pt1;[oracle@powerlong4 ~]$ expdp \‘sys/systestpd as sysdba\‘ DIRECTORY=dir_dump_t3 FULL=YES DUMPFILE=expdpfull_pd_20150529_02.dmp......1, start importingSet up the

Open VMwareSelect Install LaterCustom InstallationThe niche is a 64-bit CentOS installation.Set the name and installation location for the virtual machineSet up the virtual machine to hit the processor and allocate memory (ORACLE12G I recommend more

Oracle Database installation process is cumbersome, and uninstall more cumbersome, if the uninstallation is not clean, the next time you install Oracle will not succeed. Here's a way to remotely connect an Oracle database using the PLSQL Developer

Fix Sqlplus, began to use SQL Developer, landed after the big strange:The network adapter could not establish the connection(+﹏+) ~ Crazy DizzyLook at the process and estimate that the problem we are experiencing should be the same:First, open the

Practicing Oracle's RAC build process, the first step is to practice installing Oracle 10.2.0.1.0 on 4U4 first. Installing RAC directly is somewhat difficult. From a simple start. For the total RAC Step, refer to the RAC form of the teacher.1. Start

Oracle acquired Sun on April 20, 2009, which means that MySQL belongs to Oracle. More than 400 days have passed, what is the outcome of this merger? Please read this article.Last year's acquisition of Sun, let Oracle smooth a potential opponent

Oracle databases are powerful, performance-rich, and, at the same time they are created, Oracle accounts for more memory. In response to this question, how do we take its essence to its dross? Workaround: We are able to install a large Oracle

Oracle q ' Simplified single quote escapeCategory: SQL & pl 2014-03-10 22:42 633 person reading Comments (0) Favorite ReportQoracle introduced this feature from 10g onwards. The characters following the Q ' Can be:![ ]{ }( )The premise is that these

First, why need data backupThe main reasons for data loss:1, media failure.2, the user's error operation.3, the server's complete collapse.4, computer viruses.5. Unforeseen factors.The fault types in Oracle are divided into the following 4

Chartorowid (C1) "function" conversion varchar2 type is ROWID value "parameter" C1, string, string length 18, string must conform to ROWID format "return" rowID value "Example" SQL> SELECT Chartorowid ('aaaadeaabaaaazsaaa') from DUAL; Chartorowid

SQLLDR Data Migration--oracle TXT import and exporthttp://coupling001.blog.163.com/blog/static/174925389201262093959635/First, SQLLDR import txt1. Preparationa). txt fileThis is to be saved as unsigned UTF-8.b). Oracle Build Table2. Write the

Step 1:start the Ggsci on Source and Target Source Target Oracle GoldenGate Command interpreter for SybaseVersion 12.1.2.0.0 17185003 oggcore_12.1.2.0.0_platforms_130924.1316Linux, x86, 64bit (optimized), Sybase 1

Oracle11gR2: Node Connectivity check failed solution The prompt "Node connectivity check failed" is displayed during the installation check on the oracle11GR2 GUI, as shown in: There are two main reasons for this problem:1./etc/hosts not properly

Oracle FORALL usage (batch addition, deletion, and modification) A key improvement of FORALL statements, which greatly simplifies code and significantly improves performance for programs that want to update many rows of data in PL/SQL

This is the opening article for Oracle Database beginners. Due to project reasons, I recently started to study Oracle databases. Oracle is currently one of the most popular databases, with powerful functions and excellent performance. It is

Oracle Application Express (APEX 4.2) for ajax calls, apexajax Oracle Application Express 4.2 (APEX 4.2) is a quick web Application development tool. Ajax requests are sometimes used during web page development.   How to create an ajax request: 1.

New Features of Oracle 11g (1)-virtual column, oracle11g Database Version: Oracle Database 11g Enterprise Edition Release 11.2.0.2.0-64bit The Oracle11g introduces new features of virtual columns, which are described as follows: 1> You can only