Oracle

By using oledb to operate the Oracle database, the image is successfully uploaded to the Blob type field, but sometimes the problem of ORA-01036 error occurs, the query is the error prompt is illegal variable name/number, I don't know who can

Let's take a look at the following section.Code Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--> Oracle uses the bottom-up sequence to parse the WHERE clause. Based on this principle, the

I believe that many applications still use the master-slave method when using the database, because this method is the most realistic and may only need one DB server at first, as the data volume increases, one server will be overwhelmed. At this

Oracle is the world's leading information management software developer and is well known for its complex relational database products. This article introduces the Oracle optimizer, which is a very useful tool.Before executing an SQL statement,

Install Oracle10g in XP The following error occurs when you restart the sqlplus connection after installing sqlplus yesterday afternoon. Error:A ORA-01034: Oracle not availableORA-27101: Shared Memory realm does not exist After I started the

1. Start-> Settings-> Control Panel-> management tools-> servicesStop all Oracle services. 2. Start->Program-> Oracle-orahome81-> Oracle Installation products-> universal InstallerUnmount all Oracle products, but the universal installer cannot be

1. Use Oracle built-in functions or the effects that can be achieved by using their functions. Use Oracle functions as much as possible because their functionsAlgorithmAnd the language used to implement functions are very efficient, which is

Oracle recently released Oracle Data Access Component (odac) 11.2 rel 4, which supports Entity Framework 4.1 and 4.2. This allows. NET developers to use Oracle databases to apply this popular ORM tool and use LINQ to entities for data access without

BenArticleIt is written in the process of creating a database manually under Oracle10g ~ The steps are summarized as follows: 1,Create a database instance Open the command line and enter oradim-New-Sid royen. This command creates a database

    Code Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--> Create   Public   Database Link Data Link name connect To Login username identified By Password using ' (Description

Code Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--> Create   Or   Replace   Function Getroleuser(Proleid admin_list.roles_id % Type) Return   Varchar2   -- Function return type

From Oracle 9i, Oracle Installation includes XDB by default. After the database is started, the HTTP service of Oracle XDB automatically occupies port 8080, which makes it unnecessary for Java Web development using JBoss or tomcat. This article

Memory Optimization:SGA consists of three parts. Data Buffer, log buffer, and sharing pool Data Buffer: The size is determined by the db_cache_size parameter. Select name, value from V $ parameter where name in ('db _ cache_size ', 'db _

This kind of vision locking occurs when the process will die when an object is deleted, and the process will also die when it is created. My colleagues may explain the following reasons:When an object is created, it is disabled or not executed.

The notebook accidentally got into the water yesterday, forced shutdown. This problem persists in the morning. The database cannot be opened and an error is reported, After logging in with sysdba Code Code highlighting produced by

The school offers database practice courses, and instructors choose Oracle database as the course objects. Just installed Oracle10g yesterday, and today we are eager to try it. So, with a little excitement, open the command line and type sqlplus/As

Module: Batch import of ERP price list Error message: Solution: cross-border map transfer between JavaScript and Java When calling the price list batch import function (Chinese name --- QP: Batch import price list; English name ---), EBS

Cause: in fact, the system version is in English and the environment variable is also in English. After it is changed to Chinese, the JDK/JRE character set is the default English character set. Solution: install and use the new character set to

//////////////////////////////////////// // Some Oracle stored procedures Create or replace package pack_page is   Type type_cur is ref cursor; -- defines the cursor variable used to return the record setProcedure proc_page(Pindex in number, --

When I ran the unit test today, there was a sudden problem. Code It is roughly as follows: 1 [Test] 2 Public   Void Testselectsql () 3 { 4 Try 5 { 6 // Create temporary table 7 Dbfactorysingleton.