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JBuilder several issues to be aware of when connecting Oracle 9i correctly
Oracle8 above should all use the Classes12.jar file as JDBC driver;
Correctly set up the enterprise Setup, configure libraries in Windows Classpath and JBuilder, and add the Casses12.jar path to the place where you need t
management, at the same time, the bank is further healthy development of the power and security. therefore, the establishment of the Data Warehouse, for China's banking sector, has a huge, extremely realistic significance for us to meet The challenge of WTO, to play its own advantages, in the market competition in an invincible position, is crucial. 3. Oracle 's financial industry data warehousing SolutionWith its technology, resources and experience
Oracle database is often encountered in the use of such or such a problem, and these problems often confuse us, we summarized the Oracle database in the use of some of the problems, and the solution, we begin to analyze these issues.
First, after the Oracle listens to start, stops immediately.
TNS-12545: Connection f
The following articles mainly introduce how to obtain the actual operating solutions for Oracle System Performance Statistics. Recently, many computer companies have asked me questions about Oracle performance. What is the concept of slowness? How to quantify performance statistics? I will not list the issues one by on
Because 111 of the group companies, there is such a business: 222 of the business after receiving the sales order, from 333 of the company delivery to the customer, but from the customer's receipt is 222 of the business.
For such a business, we have the following three solutions.
solution 1 using the integration relationship between Oracle Applications, the company invoicing function of the inv
Handle the Oracle SQL statement in clause (where ID in (1, 2, ..., 1000, 1001)), and if more than 1000 items in the clause will be an error. This is primarily a limitation that Oracle considers performance issues. If you want to solve the minor problem, you can use the where ID (1, 2, ..., +) or ID (1001, ...) PackageWindy.learn;Importjava.util.Collection;Importo
On-site solutions to Oracle customers
I. OverviewOracle Database Service has a huge market demand. There are a lot of vendors working on Oracle third-party services in China. In the face of so many seller choices, there are dazzling service providers, it can be said that both love and hate. What I love is that sometimes it can help me solve problems, relieve pre
, least recently applicable) list, you should try to store smaller tables to avoid repeating them again and again.==================================================The p1text=file#,p1 of this type of event is File_id,p2 is block_id, and the Hotspot object (table or index) can be determined by dba_extentsSelect Owner,segment_name,segment_typeFrom Dba_extentswhere file_id = file_idand block_id between block_id and block_id + blocks-1;================================================== This event
an attempt to find changes in Web. config, added under system.webThe webservice can be accessed normally. The reason is that IIS does not allow access to WebService by default (what is the rule?).Well, the website can finally open all the pages. The mood is joyful. Oh,man.what is going on? Why is there garbled characters? Isn't the database character set wrong? Hurry Plsql Compare the next two databases what's the difference? As a result, shit. The same. Continue Baidu, and wen.lu. After being
recently) list, we recommend that you store small tables as much as possible, to avoid reading them again and again.========================================================== ============P1text = file # for this type of event, P1 is file_id, P2 is block_id, and dba_extents can be used to determine the hotspot object (table or index)Select owner, segment_name, segment_typeFrom dba_extentsWhere file_id = file_idAnd block_id between block_id and block_id + blocks-1;=============================
problem resolution.Next choose the data source service, I choose Oracle, then need to load OJDBC, there are two buttons below, usually choose to load from the hard disk,If add failsThen copy the jar package directly to the \java\lib in the tool root directory and restart the tool to take effect.Error when connecting to an Oracle server, such asThere are two kinds of reasons: 1. Database connection paramete
client if you are using Plsql.2. Oracle_home directory (i.e. ORACLE home directory)Looking for Oracle_home to find Tnsnames.ora. Tnsnames.ora Stores database connection information. Tnsnames.ora can be configured with the "Net configuration Assistant" or directly from another computer to be placed in the Oracle client home directory \network\admin.The Oracle_home home directory can be configured in an envi
can be accessed normally. The reason is that IIS does not allow access to WebService by default (what is the rule?).Well, the website can finally open all the pages. The mood is joyful. Oh,man.what is going on? Why is there garbled characters? Isn't the database character set wrong? Hurry Plsql Compare the next two databases what's the difference? As a result, shit. The same. Continue Baidu, and wen.lu. After being bombarded by various solutions on t
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