Oracle

When installing Oracle RAC 11g, set the environment variable oracle_sid of the two nodes under the grid user to + ASM1. After installing the grid infrastructure, the oracle_sid of the second node is not changed to + asm2, after you manually change

The providername of the connectionstrings node configured in Oracle is system. Data. oracleclient or hxj. Data. Oracle. Other operations are similar. However, it is different from the auto-growth column in Oracle, so we need to handle it as

Transferred from: Http://qing.weibo.com/tj/5445fc0f330001xg.html SQL> exec p_create_table;ORA-01031: insufficient Permissions Even if you have DBA role, you cannot create a table. Role is not available in the stored procedure.In this case, we

How to prohibit specific IP addresses from accessing Oracle databasesUse sqlnet. the ora file can be used to prohibit the specified IP host from accessing the database, which is of great help to improve the security of the database. At the same time,

Varchar2 is a specific data type provided by Oracle. Oracle can ensure that varchar2 is compatible with the data type up and down in any version.Varchar is not recommended in Oracle. The difference between nvarchar2 and varchar2 is that nvarchar2

 Writing a simple SQL statement in Oracle Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->-- 1 remove spaces on both sides of the field content in SQL statements. Rtrim (ltrim ('Demo ')) --

Sqlserver: Select * from(Select top (Pagesize) * From(Select top (Pagesize*Pageindex)*From articlesOrder by ID DESC)Order by ID ASC)Order by ID DESC ORACLE: Select * from ( Select rownum num, T1 .* From table T1 where fast = 0 ) Where num>

Create global temporary table tablename (Col1 varchar2 (10 ),Col2 number) On commit preserve (delete) rows; -- On commit Delete rows indicates that the temporary table is specified by a transaction. After each commit, Oracle truncates the table

1. Connection --- Internal connectionSelect * From Dali. test1 A, Dali. Test2 B where a. A = B.; --- Left joinSelect * From Dali. test1 A, Dali. Test2 B where a. A = B. a (+ ); --- Right joinSelect * From Dali. test1 A, Dali. Test2 B where a. a (+

Data conversion methods for data instances of different data character sets: Problem: The character set of an Oracle data instance is: us7ascii, american_america.us7ascii Character Set of an Oracle data instance: zhs16gbk, simplified

Background: Oracle 9.2.0.1.0 is installed on Windows 2003 Server. We plan to upgrade it to version 9.2.0.8 and install the latest security patch April 2008. 1. Upgrade Oracle (administrator user permissions) (1) download the upgrade package from

Procedure: 1. Write a startoracle. SQL statement in the/directory. VI/startoracle. SQL Add the following two rows to save Startup Exit 2. Configure/etc/rc. Local Add the following content to VI/etc/rc. Local and save Su-Oracle-c '$

During recent development, we found that if the Oracle database is not closed every time we restart the server, we must first shut it down and restart RedHat advance server before oracle can run properly. I feel so troublesome to think about whether

An exception occurs when the database access code is correct, as shown in figure Error message: system error... (Oracle in ora92 cannot load the driver) There may be two reasons: 1. MDAC is not installed or its version is low. 2.asp.net users do

Author: flyingis The direct connection methods are basically the same. I wrote an article "ArcIMS 9.2 direct connection to ArcSDE for SQL Server 2005 Express". The following lists the direct connection methods of ArcSDE 9.2 For Oracle10g, if the

Oracle SQL MS Assignment Select col1 into v_name from employee Select @ name = Name from employee Statement Declare v_user varchar2; Declare @ user varchar (200 ); Create a table with an existing table

1. Run the PL/SQL block creation stored procedure in Oracle sqlplus or other tools. -------------------------------------------------------------- Paging Stored Procedure-------------------------------------------------------------- Create a

I. Preparations To integrate the above environment, you must first prepare the following software packages: (1) database Perl Interface 1. perl5 Oracle dbi driver: DBD-Oracle-1.03.tar.gz 2. perl5 universal database interface program: DBI-1.13.tar.gz

In Linux, how does one add Oracle user information? The following describes how to add Oracle user information in detail, hoping to give you a deeper understanding of Oracle user information. Create a user group oinstall:# Groupadd oinstall Create a

When setstring (I, S) of preparedstatement is used: Can refer to post: http://community.csdn.net/Expert/topic/3936/3936672.xml? Temp =. 2879145. Java. SQL. sqlexception: The data size exceeds the maximum value of this type: 3000 The value following