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661: Oracle Form Builder experience in the use of tree
I. Introduction tree Developer 6.0 above provides a hierarchy tree (the tree-level) concept, htree control is very convenient, only a small amount of programming to show the hierarchical structure to achieve the purpose. Tree-specific attributes a...

662: SQL to solve the issue of how to capture the excessive CPU consumption problem
Problem description: Reporting system developers to run slow, and the impact of user access. 1. Sign the database host Use vmstat to check and found that CPU resources are depleted, a large number of tasks at run queue: bash-2.03 $ vmstat 3 pro...

663: ORACLE in the use of field research BFILE
Because the projects need to use the BFILE field stored image file, so some research. field bfile the actual file is stored in the file system, the field is stored in file pointer position. bfile of oracle is read-only, and not to participate in a...

664: Oracle 8 and Oracle 9 What are the changes in CPU_COSTING
What is the difference between cpu_costing in Oracle 9 and the old costing of Oracle 8? Oracle 8 and Oracle 9 in CPU_COSTING What changed? Author's name: Jonathan Lewis Author's Email: Jonathan@jlcomp.demon.co.uk Date written: 15th Dec 2...

665: Oracle9i waiting for a special event - null event
null event events is not empty, is not waiting for the incident, but Oracle has forgotten the events of just waiting for What is the name, but retained the real situation of the incident. Oracle's developer until the 9.2.0.3 update only the name...

666: Using ASP.Net (C #) to connect Oracle database
Today look to connect oracle database asp.net way to get the following code. This code opens the MyTable table and list the name of the operator. Field type is OracleString. When read with the field number, I do not know how to use field names to re...

667: How to Use DBMS_SUPPORT Package
DBMS_SUPPORT is a software package provided by Oracle. Used for internal support staff to more effectively track the SQL. This package there is no formal documentation, by default, the system does not install this package. If you need to use if the ...

668: Ora2html - the collection of Oracle database information
Sometimes, as a DBA, may require the deployment of a good collection of Oracle database information. Hardware configuration, operating system, the software installation path of a database of user information ...... so it may be enough of a headache....

669: oracle query tree in
Development in the project tree structure is often used, usually the result of our query sets using some js files free display will be able to achieve very good results, such as But sometimes we need to also provide the drop-down list on the tree s...

670: Oracle XDB change or turn off the ftp and http port
Oracle 9i database to create the default XDB features included. Once the database and the Listener, Oracle XDB occupy the http service on port 8080, just, and JBoss, Tomcat default port, such as conflict, Oracle XDB's port configuration file is ...

671: commonly used in the command oracle
Chapter I: Log Management 1.forcing log switches sql> alter system switch logfile; 2.forcing checkpoints sql> alter system checkpoint; 3.adding online redo log groups sql> alter database add logfile [group 4] sql> ( '/ disk3/l...

672: java connect oracle, access io the contents of the paper to replace substring
package common; import java.sql .*; import java.io. *; import javax.naming .*; import javax.sql .*; import java.util .*; public class DbAction ( public Connection conn = null; public PreparedStatement stmt = null; public Properties getPrope...

673: Write their own resolution of a string of oracle function
- In accordance with a given byte length of the interception of the largest possible string of mixed Chinese and English, to avoid the problem of half of Chinese characters create or replace function substr_gb (str_ varchar2, begin_ integer, leng...

674: Oracle date conversion on a small experience: the use of union of a strange phenomenon and solutions
Oracle9i installation is the default date format 'DD-MM-RR', this can select * from sys.nls_database_parameters; To view. Therefore, the input parameters for the DATE type of stored procedure has been a problem, in which the basic query f...

675: Oracle9i new features: SPFILE use
7. Set Events events Events event is an important diagnostic tool for Oracle and problem-solving approach, often through Events or change settings to shield the conduct of Oracle, we look at how the following amendments to spfile, increased Events ...

676: ORACLE generated serial number
Create a sequence: create sequence EXAMPLE_SEQ increment by 1 start with 1 minvalue 1 cache 20; EXAMPLE form in the creation of a flip-flop CREATE OR REPLACE TRIGGER "PORTAL". TRI_EXAMPLE_TABLE BEFORE INSERT ON EXAMPLE_TABLE FOR EAC...

677: oracle + jsp in big text blob types of storage methods of problem-solving
oracle + jsp in big text blob types of storage methods of problem-solving oracle storage large text has been a thorny issue. First, keep the database: <% @ page contentType = "text / html; charset = gb2312" language = "java"...

678: Ruin his database - to talk about Oracle security
People often hear of the security loopholes in Windows, suffered frequent virus attacks and so on, our traditional concept of Windows is too insecure; fact, Unix / Linux if configured properly, the risk is far higher than that of people's imagin...

679: Learn to read oracle SQL syntax diagram
My test environment: Hp rp7410 host, Hp-unix11.11 OS, Oracle8.1.7.4 the database, a table of about 90 test 100G tablespace TBS_TEST. Of the problem: Oracle in the use of drop tablespace <tablespace_name> including contents; delete data dictio...

680: oracle trigger in the treatment of variant form
AutoCommit solution can be used. For example: CREATE OR REPLACE TRIGGER TRIGGER_NAME [BEFORE | AFTER] ACTION ON TABLE_NAME FOR EACH ROW DECLARE PRAGMA AUTONOMOUS_TRANSACTION BEGIN ...... COMMIT; END; ...


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