Oracle

Two red hat as 3.0 + Rose ha + Oracle 9i R2 environments have been built in these days, and the data is stored in the EMC array, the array is divided by LVM for multiple database instances. Each instance occupies one PE.During actual use, I used

Transfer from http://www.jiejingwang.com 2002-10-24 shortcut Network========================================================== =System Environment:1. Operating System: Windows 2000 Server, 128 MB of machine memory2. Database: Oracle 8i R2 (8.1.6)

Enter the User name: SYS/sys as sysdbaError:ORA-01031: insufficient privileges   Enter the User name: System/system as sysoperError:ORA-01031: insufficient privileges   Sys and system users cannot log on, and no permission is displayed: SQL>

After the password such as sys and system is changed during database creation, EM can log on normally, but the system prompts "the database status is currently unavailable. It may be because the database is in the load or not loaded state. Click

PL/SQL is an extension of Oracle's standard database language. Oracle has integrated PL/SQL into ORACLE servers and other tools, in recent years, more developers and DBAs have started to use PL/SQL. This article describes basic PL/SQL syntax,

Http://www.itpub.net/thread-1478468-1-1.html Http://tomszrp.itpub.net/post/11835/520574   Since version 11.2.0.1, Oracle has provided a new space allocation method: When you create a non-partition table, this table segment is not created immediately,

The Oracle to_char (datetime, FMT) function converts datetime values to a string in the format specified by the FMT option. MySQL has the date_format function that allows datetime values converting to a string in the specified format. Sqlways

SQL Server temporary tableYou can also create a temporary table. Temporary tables are similar to permanent tables, but temporary tables are stored in tempdb. They are automatically deleted when they are no longer used.There are two types of

In Oracle databases, the tools used to execute scheduled tasks are generally dbms_job packages. This package is easy to use and has a long history and is still widely used. Frankly speaking, this package's functionality satisfies the scheduling task

Processing date in Oracle To_date formatDay:Dd number 12Dy abbreviated FriDay spelled out FridayDdspth spelled out, ordinal twelfthMonth:MM number 03Mon abbreviated MARMonth spelled out MarchYear:YY two digits 98Yyyy four digits 1998 The time range

The racle database system is a complex software system. Without understanding its internal structure principles and relationships, it is impossible to design and Compile High-Quality application software systems or manage a complex application

Check Metalink and stick it to the topI have studied it myself, but since discoverer and OLAP viewer have not developed a unified solution, I will handle it separately. Oraclebi discoverer Workbook ID Method for searching the ID of a workbook1.

Oracle Table: Data Definition Language (DDL) ) 1 Naming rules and conventions:The maximum length of the table name and column name is 30. The table name and column name must start with a letter. The table name or column name cannot contain blank or *

  In Oracle, partitioned tables are stored in segments. Common tables are stored in one segment, while partitioned tables are divided into multiple segments, therefore, the process of searching for data is to first locate the partition range based

PLSQL variables can be of the following four types: -Scalar) -Composite) -Reference) -Lob type (large object) 1. scalar type:-Only variables with a single value can be stored.-When defining a scalar, you must specify the data type. 1.1 common

HD anime big picture 10th set 380 sheets size 3000*2000 or above 115 download Oracle 10g database migration experience Windows Environment 13:58:11 | category:Development | label: Oracle programming Import and Export| Large font size, medium/small

-------------------------------------- Search for a blog on the Internet to facilitate future viewing -------------------------------------------------------------------- There are many users who use ORACLE as a database management

Oracle Advanced Training Course 6th Study Notes by jackyang (JackYang.sh@gmail.com) Date: This course contains multiple experiments, has not yet passed the computer verification. Tspitr (recovery of tablespaces Based on Time points) is introduced to

Oracle9i Database Release 2 Enterprise/standard/Personal Edition for Windows NT/2000/XP Http://download.oracle.com/otn/nt/oracle9i/9201/92010NT_Disk1.zipHttp://download.oracle.com/otn/nt/oracle9i/9201/92010NT_Disk2.zipHttp://download.oracle.com/otn/

People who have just been familiar with ORACLE will feel helpless when they learn, how to learn, what tools are available, and what operations should they perform. So before learning to use ORACLE, first install ORACLE 10 Gb to master its basic