Oracle

You can see this article on scid.ArticleFor ORACLE data import, the method is simple and effective, and it is useful for data preparation for performance testing, so let's take a look. Before you perform a performance test, make sure that there is

: Http://www.oracle.com/technetwork/topics/winsoft-085727.html It seems that six files have been downloaded. Installation instructions at the end of the page: Installation steps: 1. Download the appropriate Instant ClientPackages for your

Compared with the ACCESS database and SQL Server, which have automatic numbers, how does one implement automatic Field Numbers in Oracle databases? The sequence value is called when data is inserted by creating a sequence in the Oracle database. //

Because the project uses an Oracle database, it has never been used. So I started learning a week ago .. The following are some notes about learning: The extension is DBF, sqlserevr is MDF, and access is MDB.Installation:Instance name:

A problem occurred in the examination system a few days ago.ProgramSo I checked the source program for a long time, and debugged the breakpoint n times. No problem was found. The program has never been moved. How can this problem suddenly happen!

A common table in Oracle is called a heap table. The data in the heap table is stored unordered and often becomes unordered after a period of time. As shown in, the data corresponding to the same key in the index is stored in different blocks. In

ArticleDirectory 1. Table 2. View 3. Synonyms 4. Sequence An important part of Oracle databases is data dictionary. It is the knowledge base of all object information stored in the database. The Oracle database management

I. Cluster Environment: 1. hardware environment: Server.IBM 365 ServerSingle-channel Xeon SMP CPU6 GB memoryThree 36.4g hard drives (RAID5)Local Gigabit NIC (private_lan)Add an IBM Gigabit Optical Fiber NIC (public_lan)Server B.IBM 365

Sequence and trigger are used to create tables using Oracle client today. record their usage: Create sequence and trigger to realize auto-increment of the table's primary key. First, create a sequence. The syntax format of the sequence is:

Oracle Study Notes --- (5) V. 1. define abstract data types/*Create or replace type animal_ty as object(Breed varchar2 (25), -- animal typeName varchar2 (25), -- nameBirthdate date, -- Date of birthMember function age (birthdate in date)

. NET remote connection to the Oracle database seems simple, but it still encountered many problems in practice. Share with you the experience I have learned about this thing today. There are many ways to access the Oracle database. I provide two

After a long period of learning to create Oracle tablespaces, I would like to share with you that you will certainly have a lot of gains after reading this article. I hope this article will teach you more things. 1. First query free space

Oracle Study Notes --- (1) I 1. Oracle IntroductionOracle is a large-scale relational database based on advanced Structured Query Language (SQL). It is an object relational database management system (ordbms ). It provides the functions of the

1. Create a role Create role "qiudingrole" not identified; Grant "Connect" to "qiudingrole ";Grant "dba" to "qiudingrole ";Grant "resource" to "qiudingrole "; 2. Create a tablespaceCreate smallfile tablespace "diaocha" datafile 'd: \ oracle \

Turn: http://blog.sina.com.cn/s/blog_49605b460100b1pi.html Elect *From dba_tablesWhere owner = 'Peter 'create tablespace data01Datafile 'd: \ oracle \ ora92 \ oradata \ dB \ data01.dbf' size 200 mUniform size 128 K;# The size of the specified area

1. Basic server maintenance 1. 1. Create an Oracle database in the Windows operating system. After the Oracle database is installed, the database has been created. You do not need to create a database again. You only need to create a tablespace

Reprinted from: Http://blog.csdn.net/picklove/archive/2008/01/25/2065022.aspx I,Installation preparation: Download files L Oracle Database 10g Release 2 (10.2.0.1) Software Decompress the file Command to decompress the file: Unzip 102

Oracle Study Notes --- (2) II Implement Chinese-English character set conversion under sqlplus Alter session setNls_language = 'American ';Alter session set nls_language = 'simplifiedChinese '; Key knowledge points:I. Operations on tables 1)

Reprinted: http://www.cnblogs.com/BeautyOfCode/archive/2010/09/21/1832205.html 1. Database Administrator Overview: Each Oracle database should have at least one Database Administrator (DBA). For a small database, one DBA is enough, however, for

Oracle expert advanced programming learning notes I. Preparations1. Create a basic debugging environmentCreate demo Schema (create Demo mode)Sqlplus> Start $ ORACLE_HOME/sqlplus/demo/demobld. SQL 2. Create login. SQL--------------------------------