Oracle

Ubuntu installs JDK in two ways: 1: Installed through the PPA (source) mode. 2: Download the installation package through the official website. 1th is recommended here because you can easily get the JDK upgrade using the Apt-get upgrade method

Veritas Cluster Server for Oracle dual-Machine hot standby configuration -Overview There are two reasons to put Oracle's two machines behind the DB2 dual machine: First, the DB2 configuration is simpler than the Oracle configuration, and the

Install XP system with Oracle company VM----XP is easier to install ... Linux system installation is really troublesome anyway Oracle is the native test use so it doesn't matter. XP system is best to download the official version of the installation.

Oracle Data Warehouse creation tutorial. How to create a data warehouse, create an example, think of graduation design requirements, recently began Oracle's Warehouse modeling practice, detailed records of the graphical interface Oracle database 12C

Read the Electrictoolbox on Php,mysql,javascript several languages on the topic of taking integers, but also dots collation of Oracle's take the whole function description, this is the origin of this article. floor--the number of digits to a given

The following figure shows two steps for installing the Oracle database server software and client software: Through the above process, we know that the server and the client have a file to be configured, the server is the listener

In Oracle, fields of the lob (large object, large object) type are increasingly used. This type of field has a large capacity (up to 4 GB of data), and a table can have multiple fields of this type, which is flexible, applicable to business areas

This is an online database http://www.dbonline.cn.       Oracle expert tuning secret   Preface　　 In the past decade, Oracle has become one of the world's most professional databases. For IT experts, it is to ensure that their company's productivity

From: http://blog.163.com/gaofx_hk/blog/static/193999289201172893813254/ Oracle does not have the update from syntax. There are two implementation methods:1. subquery:UpdateSet field 1 = (select field expression from B where ...),Field 2 = (select

Reprinted please indicate the source: http://blog.csdn.net/sunyujia/ I have never used clob because I did not have this problem on the Forum. But how can I find a solution as quickly as possible to compete for points, because spring encapsulates ORM

My Oracle 10g version is 10.2.0.1.0. (10.1 is the same as that for advanced installation.) The system prompts "the program is terminated abnormally and an unknown error occurs ". 1. modify Oracle 10g \ database \ stage \ prereq \ dB \ refhost.

 1. Description of unique constraints on the official website Http://download.oracle.com/docs/cd/E11882_01/server.112/e16508/datainte.htm#CNCPT1642   Uniquekey constraint requires that every value in a column or set of columns beunique. no rows of a

Today, a friend from a project team asked: how to call the stored procedure of Oracle in. NET and input it as an array. Oracle's PL/SQL statements are very powerful. They support fixed-length arrays and variable-length arrays, and support any custom

In Oracle learning, architecture is the top priority. At the beginning, we can grasp its physical composition, file composition, and various file composition from a macro perspective. The deeper the knowledge, the better. Problems encountered in

/**//* -- Create a table Create table student ( Recordid number (38 ), Sid int not null, Sname varchar2 (50 ), Sdate date, Sage number (3) ); */ -- Delete a table -- Drop table student; -- Insert data /**//* Set serveroutput on -- allow server

Today, I will talk about my understanding of these two operation modes and give some feasible suggestions to improve the security of Oracle databases. I. Advantages and Disadvantages of non-archive mode. The non-archive mode is a log operation

Fully uninstall ORACLE in Windows: You can use OUI to uninstall the database. However, after uninstalling the database, there will still be some residues in the Registry and file system. These residues not only occupy disk space, but also affect

Many DBAs are still in Oracle 9i or 10g, probably because of the price of Oracle 11g. This article will explain how to install Oracle 11g in Windows 7, and hope you can see some new features of the 11g. Not long ago, I uninstalled my Windows Vista

This article is followed by Oracle SQL * Loader User Guide (Part 1)5. Set the row end flag (STR), which is useful when importing large objects!LOAD DATAINFILE 'C: \ data \ mydata.csv '"str '*****'"Replace into table bookFields terminated by ","

Oracle Block scn/commit scn/cleanout scn description 1. description: The cache header part of the Block records a block scn, which is the timestamp of the last change of the current Block. To be exact, this update does not refer to the latest update