Oracle

This is a user's database, is said to be not archived, do not know why the host forced to restart after the database can not open. First, let's take a look at the error he reported here on open: sql> ALTER DATABASE open;ALTER DATABASE Open*Line 1

1 Running Sqlplus Tools Sqlplus 2 The default identity of the OS Connection /As Sysdba 3 displaying the current user name Show user 4 go directly to the Sqlplus command prompt Sqlplus/nolog 5 connecting at the command prompt with OS

This article mainly describes the PHP environment and the Oracle database is not on the same server, the installation of PHP environment compiled According to official documentation http://cn2.php.net/manual/zh/oci8.installation.phpPHP to compile

Oracle Wallet use and maintenance Starting with ORACLE10GR2, the use of Oracle wallet to reach any user without a password login database (not operating system authentication method) is very useful for scripting database operations, especially for

Here a simple note, the National Day overtime recovery of a customer's 2 sets of Oracle RAC database, the entire recovery process, 2 sets of RAC similar, so here is a set of database recovery process as an example of simple analysis. Because the

First, the concept of the index Index is similar to look up a dictionary, through pinyin, strokes, only a few steps can find the word. Database, through the index, as long as a small amount of reading, you can find the required records.

The concept of a temporary table There is also a type of table in the Oracle database, called a temporary table. The biggest difference between this temporary table and the permanent table is that the data in the table doesn't exist forever. When

This article is a simple tutorial on Oracle Database Clean temp table Space Oh, if you're looking for an Oracle database to clean up the temp table space just come in and have a look. Law One, restart the library Library restart, the Smon process

single-record functions in SQL 1.ASCII Returns the decimal number corresponding to the specified character; Sql> Select ASCII (' a ') a,ascii (' A ') a,ascii (' 0 ') zero,ascii (') space from dual; A A ZERO space --------- --------- --------- ------

Files that are remotely backed up on the client are saved on the host where the database resides and are not copied directly to the client. —————————————————————————————————————————— First, whether your Oracle server is Linux or the Windows

The Oracle tutorial you are looking at is a common database system that compares Oracle databases. To bring up the database, the first company to think of, is usually oracle. The company was founded in 1977 and was originally a company specializing

The Oracle tutorial you are looking at is a common database system that compares Oracle databases. To bring up the database, the first company to think of, is usually oracle. The company was founded in 1977 and was originally a company specializing

The Oracle tutorial you are looking at is: Oracle SQL Performance Tuning Series learning three. 8. Use the Decode function to reduce processing time Use the Decode function to avoid repeatedly scanning the same record or repeating the same

Oracle database is often encountered in the use of such or such a problem, and these problems often confuse us, we summarized the Oracle database in the use of some of the problems, and the solution, we begin to analyze these issues. First, after

The Oracle tutorial being looked at is: Oracle's data dictionary technology analysis. The data dictionary is where Oracle holds information about the database, and its purpose is to describe the data. For example, a table creator information, create

The Oracle 11g listening and warning logs are both in the/u01/oracle/diag/tnslsnr/oracle/listener directory and the/u01/oracle/diag/rdbms/db1/ The DB1 directory has the following names, respectively, listener directories and DB1 directories. Both

First, create and manage tables1. CREATE TABLE syntax CREATE TABLE table name (column datatype [default Expr][,column ...]) The description of default constraint is slightly 2, use the subquery to create the table CREATE TABLE Table name As SELECT *

NO Money Day 1 23 1 1 43 2 1 -45 3 2 42 1 2 -10 2 2 50 3 3 100 8 In order to conform to the

JSP connection MySQL Database methodFirst copy the MySQL database connection driver to the Tomcat/common/lib package Download Mysql-connector-java-5.1.6.zip Http://mysql.cs.pu.edu.tw/Downloads/Connector-J/mysql-connector-java-5.1.6.zip Configure

Failure Phenomenon Oracle 11g Database Common user logon prompt ora-28002:the password'll expire within 7 days [11:01:00oracle@dvd db_1] $sqlplus wang/oracle Sql*plus:release 11.2.0.1.0 Production on Fri Nov 16 11:01:23 2012 Copyright (c) 1982, 2009