Oracle

32-bit SQL connection to Oracle See this article.Article Http://www.cnblogs.com/jjiac/archive/2008/07/03/1234643.html   It is worth mentioning that the "New linked server" mentioned in this article is located under the "Server Object" on the

$ LSNRCTL start Error message: the listener supports no servicesthe command completed successfully: the following error occurs when the remote connection is started: Oracle ORA-12514: TNS: Listener does not currently know of Service requested

SQL> startupORA-01078: Failure in Processing System ParametersLRM-00109: cocould not open parameter file '/opt/Oracle10g/product/10.2/db_1/dbs/initora10g. ora' The file does not exist. It is estimated that the shutdown is caused by illegal

View Oracle character encoding:SQL>Select * From nls_database_parameters; Follow these steps: SQL> shutdown immediate;/* shut down the database to re-mount and log on */ SQL> startup Mount; SQL> alter system enable restricted session; SQL>

  If Oracle client x86 is installed, the system. invalidoperationexception error is returned when you access the Oracle database using. Net: badimageformatexception is thrown when you attempt to load the Oracle client database. This problem occurs

When I came back at noon yesterday, there was still a drizzle on the streets of Beijing! Fortunately, Oracle thought very well. No one gave me a small gift after we filled out the meeting evaluation form! When I arrived, I gave me a wooden umbrella!

We often handle errors like this in Oracle stored procedures: Declare V_errorno number (10 ); V_errormsg varchar2 (255 ); Begin -- Some SQL here Exception When others then V_errorno: = sqlcode; V_errormsg: = sqlerrm; Rollback; Return;

Http://space.itpub.net/13316/viewspace-468368       After the National Day, the power station crashed,OracleIt is about to be restored.After recoveryWindowsAfter the system is installed, Oracle8i is installed and DB recovery. The recovery

We organized a technical salon on Oracle databases at on Saturday, September 8. gao Guoqiang was "Bundled" by me as a guest lecturer. (I am very grateful to him for his support for our activities, as well as the careful preparation of the PPT and

Oracle Performance Tuning practices In many cases, when the application administrator notifies us that the application is slow and the database is slow, when we go to the database, we do a few examples of select and find the same problem,

1. Sessions Among the restrictions set by initialization parameters, the most well-known estimates are sessions and processes. The sessions parameter specifies the number of concurrent users that can exist in an instance at the same time, or the

It takes three steps to start the Oracle database. When we directly enter startup to start the database, the database has implicitly executed the three steps together. In fact, the Oracle startup process includes the startup routine, loading the

Requirements for installing Oracle 10gr2 on rhel_oel 5 (x86) [ID 419646.12.16.htm Requirements for installing Oracle 10gr2 on RHEL 5_oel 5 (x86_64) [ID 421308.12.16.htmRequirements for installing Oracle 10gr2 RDBMS on RHEL 5 on Linux itanium (IA64) [

Tomcat4 (5) provides an initialcontext implementation instance that is compatible with Java Enterprise Edition application services. Its initial data is set in the $ catalina_home/CONF/server. xml file. And may be referenced by the following

Start listening: LSNRCTL start/stopStart the service:Su OracleSqlplus/nologConnect/As sysdba(Start :) startup (stop: shutdown immediateOemapp dbastudio open the Enterprise Manager GUIOpen the graphical interface of the enterprise manager on the

SQL> Conn/As sysdbaConnected to an idle instance.SQL> startupOracle instance started. Total system global area 276824064 bytesFixed size 778736 bytesVariable Size 137371152 bytesDatabase buffers 138412032 bytesRedo buffers 262144 bytesORA-01102:

A view can be simply considered as an alias for a query: It can restrict data access and simplify queries. The statements for creating a view are as follows:   SQL Server:Create view empv20 as select * from EMP where deptno = 20; Modify View: Alter

Method 1:   1. Both commit and rollback can be unlocked in the current session. 2. Pass Search for user locks Select S. username, Decode (L. type, 'TT', 'table lock ', 'Tx ', 'row lock ', Null) lock_level, O. Owner, O. object_name, O. object_type, S.

1. Switch users and log on: Conn system/password @ myoracle as sysdba; myoracle is the database name or service name. As sysdba logs on as an administrator. If the database name is not added, a protocol adapter error may be reported. If you have

I have summarized some SQL skills in some SQL tips. Please take a look. 1. Scope of use in caseI wrote a query like this: Selectcase avalue when avalue = 0 then' no data 'when avalue> 100 then' out of range 'when avalue This query is