how to use sqlplus

Common SQL commands @ oracle Data Type summary @ permission, role, User Creation and use @ pseudo column and precautions 1. user system permissions with different permissions: User name: sys/system (the default user name is sys, system); Password:

How can I recover the Oracle database for the first time! I have been familiar with oracle for several years, but I have been engaged in development for a long time, and there are very few opportunities to back up data. Recently, the company's ERP

Today I encountered a strange problem:Using sqlplus on the client allows normal users to log on, but neither system nor sys users can log on, prompting ORA-12154: TNS: unable to resolve the specified connection identifierSQL> conn system @

For Oracle10g: 1. If you do not remember the sys user password, use the following method to change the password: (1) Open cmd, enter sqlplusnolog, and press Enter. (2) Input For Oracle 10 GB: 1. If you do not remember the sys user password, use the

To install Oracle8irelease3 (8.1.7) in redhat7.3, you must first find the following software packages: To install Oracle 8i release 3 (8.1.7) in redhat 7.3, you must first find the following software packages: How to install Oracle 8i release 3 (8

Oracle migration in Different windows systems is an Oracle system running in a Windows operating system environment. Unfortunately, Oracle cannot be used when the Windows System of disk C is reinstalled. What will you do at this time. The most

  Use the emp, dept, and other tables under the scott user as an example, and use sqlplus for demonstration.       First, create two blank e1, e2:   SQL code SQL> create table e1 as select ename, sal, hiredate from emp where 1 = 2;   The table has

During this period, when purchasing storage and communicating with many storage vendors, we mentioned that it supports dynamic expansion of storage capacity. For example, if the original storage capacity is 5 TB, A lun will be allocated. Later, due

Use putty's SSH tunnel to connect to Oracle1. Set SSH tunnel on putty of localhost, for example:In this way, the port 1511 connecting to the local machine will be forwarded to port 1521 of remoteIP. Click "Add", and then log on to the remoteIP

I installed Oracle10g on windows2008 after porting Oracle10g to Windows. After some tossing times, I found that it was impossible to follow the normal method. The current situation is that there is no installation package for 10.2.0.3 for vista.

This is also a boring problem. Although the problem is too big, let's look for it! Oracle has not been installed for a long time, today when the installation of 11g, with PLSQL Developer Connection, there is a common problem: ORA-12154 TNS cannot

How to install and uninstall Oracle databases ========================================================== ============================================== ====================================== 1. If there are two files when installing the database,

In some cases, for example, you only want to install some client software to connect to the database for basic operations or testing. To achieve the connection, you need to install the oracle client, for this orac In some cases, for example, you

Today, Oracle has encountered this problem ora-01033: oracleinitializationorshutdowninprogress, after analysis and research finally solved, write down to commemorate Today, the study of Oracle encountered this problem ora-01033: oracle

1. On the oracle server, $ ORACLE_HOMEbinnetca can be used for configuration. The server listens. If the configuration listening does not use the default listening name (listener), it is changed to other 1. You can use $ ORACLE_HOME/bin/netca to

Multiple ORACLE databases physically stored in the network can be viewed as a single large database logically. Users can access the data in the remote database through the network. Multiple ORACLE databases physically stored in the network can be

ORA-1157 and ORA-01110 error practices often encounter related ORA-1157OR1110 errors in the backup experiment, related error information, nothing more than data files, log files, and control files and a series of related file problems, in general,

Use sqlplus to execute *. summary of common problems in SQL Files case 1 Description: After using sqlplus to log on to the database, enter @ file name full path to execute *. SQL file example: assume there is a test. the path of the SQL file is/home/

1. Set SSH tunnel on putty of localhost, for example: In this way, the port 1511 connecting to the local machine will be forwarded to port 1521 of remoteip. Click "add", and then log on to the remoteip through SSH. The sshtunnel is created. On

The following database version is Oracle 9i (9.2.0). When the database is installed, the database system creates a database instance. The installation directory is/Oracle, enter the Database Name and database SID number ora9i. 1. parameter