Oracle

1. Loop DeclareX number: = 0;BeginX: = 0;LoopX: = x + 1;/* If x> = 10 thenExit;End if ;*/Exit when x> 10; -- this sentence serves the same purpose as the above if statement, but it is so concise.Dbms_output.put_line ('Internal: x =' | X );End loop;

Operating System: Windows XPOracle 10g 10.2Memory: 512 MBFull database installation: you must use the ctxsys user.Below is a simple full-text search that supports English-- Delete text usersDrop user text; -- Create a text userCreate user

Summary 1: Problem: Use the followingCodeWhen filling in dataset, Dataset DS = new dataset ();Try{ Oledbdataadapter command = new oledbdataadapter (sqlstring, connect );Command. Fill (DS, "ds ");}Catch (system. Data. oledb. oledbexception ex){//

Recently, I want to build a plug-in. ProgramThe Oracle database is called. I have never been familiar with Oracle before, but now that others use it for development, I can only pull the Oracle database. During the development process, everything is

The night before, I learned about Oracle Enterprise Linux and Oracle database. I didn't expect to go through so much Internet traffic, which is equivalent to spending 1500 RMB. It's hard to come by. You should cherish it. We installed Enterprise

Manually configure the server listener: The Listener Configuration includes parameters of the listener protocol, address, and other related information. Listener Configuration is stored in a configuration file named listener. ora, which is located

Oracle users are divided into system and object permissions based on the granted permissions. The highest permission is sysdba. Sysdba has the privilege to control all behaviors of Oracle, such as creating, starting, closing, and restoring databases,

Last week, ArcSde 9.2 sp4 + oracle 9iR2 was used for configuration. 1. register the DataSet as the version and select "compress directly to the base table". During editing, start StartEdit () of the IWorkSpaceEdit interface for the first time and

Oracle-merge usage Oracle9i introduces the MERGE command. You can execute the inserts and updates operations on a

Which of the following are frequently used in the use process. (In the future, we will add the parameter descriptions for optimization, parameters in the SGA area, Shared Pool, PGA, and so on spfile) 1. The Export tool is an Export

I. DataBaseSave data to present data in the form of tables Ii. SQLStructur query languageStructured Query Language is an object used to operate relational databases.DDL (Data definition language), used to create or Delete tables, and modify table

    Oracle databases can run in two modes: archivelog and noarchivelog ). The archive mode can improve the recoverability of Oracle databases. Production Databases should all run in this mode. The Archive mode should be combined with the

Oracle Spatial has a function that converts geometry to GML. The function name is sdo_util.to_gmlgeometry (GEO ). This GEO is SDO. geometry type, but the return value of this function is clob type geometry. Of course, we can use the to_char function

Because the system front-end uses the OpenLayers framework, the background database uses oracle spatial. We all know that the SDO_GEOMETRY of Oracle spatial is very complicated. If you use java APIs for a long time, you will have to deal with a lot

When you operate a csw table, you can find that the SQL statements for xml queries are described as follows: Select * from MDSYS. CSW_RT_6 $ t where existsnode (t. datacol, '// * [geoglobe: parentId = "-1"]', 'xmlns: geoglobe =

// Insert layer metadataPublic static boolean insertLayerMetadata (DataSource ds, String xml, String id) throws SQLException, ClassNotFoundException {Boolean flag = false;String metadataTableName = DBUtil. getLayerMetadataTableName (ds

Http://hi.baidu.com/cat_june/blog/item/0573a945fd8ead36879473e4.html I think I still have a good grasp of Oracle, but yesterday, my colleagues in the lab next door asked me a question, which made me depressed. In A database, she exports A user A's

Document directory Nvl () function   Recently, the company is working on Oracle database-related products. Here is a summary: ISNULL () function SyntaxISNULL (check_expression, replacement_value)Parameters Check_expressionWhether the expression

"In fact, there are many factors that have prompted me to leave oracle ." "The salary given by Oracle to me is a heavy blow to me," said Gauss Lin. They only gave me the base salary that sun computer systems originally gave me ." He

This article is only applicable to Crystal Reports in PULL mode.For non-embedded reports:1. Create a non-embedded Report # create a non-embedded report using region 2/** // 3 // create a non-embedded report 4 /// 5 // service name 6 // User