Oracle

'|' + 'Is used for string connection in Oracle '. Select Rec. sheet_id, Rec. orgid, Org. orgname, Case When Rec. receive_flag = 2 then (Case When exists (select count (1) Fromeosorg_t_organization Where a. orgseq like '192. 999

Portability has always been the strength of Oracle. It seems that this time is no exception. Http://www.eweek.com/article2/0,1759,1618428,00.asp The Redwood Shores, Calif ., database behemoth will announce Wednesday at Apple Computer Inc.'s

A stored procedure is one or more SQL commands stored as executable objects in the database.Definition is always abstract. The stored procedure is actually a set of SQL statements that can complete certain operations, but these statements are stored

What functions does Oracle provide? Time: 11:17:16 Source: Network Author: Unknown CLICK: 159 times Note: Sid-Database ID home_name-Oracle Home Name, such as orahome92, orahome81 (1) oracleservicesid Database Service, this service automatically

Oracle stored procedure, cursor Create or replace procedure p_tb_task_log is -- function: Insert a task to the task log table v_task_start_date date;V_task_end_date date;V_ SQL _code number;V_ SQL _msg varchar2 (4000): = ''; -- SQL error

 Oracle enable and disable scripts for Windows Luo Weifeng 2010-7-9 The original Article is published to the QQ space. I think everyone will be heartbroken because the huge Oracle guy occupies so many system resources! On the one hand, we need to

Oracle vs SQL server script syntax Luo Weifeng 2010-7-9 The original Article is published in the QQ space.     In other words, du boss (which cannot be called now) will use Oracle and SQL Server to write scripts for ** respectively. This is terrible

Refresh Oracle Materialized View The materialized view is like a real table for front-end database users. It has the same select operations as general tables, but it is actually a view, A view that is regularly refreshed by the system (the specific

Hibernate. cfg. xml "-// Hibernate/hibernate configuration DTD 3.0 // en" Http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd> true org. hibernate. dialect. oracle9dialect Oracle. JDBC. Driver. oracledriver JDBC: oracle:

Oracle Stored Procedure writing experience and Optimization Measures 1. If developers use tables or views of other databases, they must create a view in the current database to perform cross-database operations. It is best not to directly use

Create user SQL code 1.SQL code SQL> create user visiontv identified by visiontv default tablespace visiontv quota 10 m on users; Grant privilegeSQL code SQL> grant connect, resource to visiontv; Create tablespaceSQL code 1. SQL> Create tablespace

Install and configure VCs in Linux, with Oracle dual-host 1. Prepare VCs before installation.Check whether the operating system version of Veritas meets the installation conditions.# Ssh-keygen-t dsa // generate the DSA key# Chmod

Tracking Stored Procedure instances using scripts in Oracle Post from: http://www.ninedns.com/oracle/200742218400613147.html 1. Use a script to start and Set Tracing examples We can use scripts to track stored procedures. Of course, we need to

This is because the work needs to monitor which users have modified the data tables in the database. After reading the content in http://www.psoug.org/reference/ddl_trigger.html, we made the following design: 1. Log On As A system user.2 -- create

1. Data Buffer AdjustmentSGA memory parameter size QuerySelect name, value from V $ parameter where name in ('db _ block_buffers', 'db _ block_size ', 'shared _ pool_size', 'sort _ area_size ');Select name, value from V $ parameter where name in

1. symptom description: Yesterday, colleagues at the site reported that the stored procedure sent to him over the weekend caused sqlplus to fail to respond for a long time during deployment, and the stored procedure could not be deployed at the

From: http://blog.chinaunix.net/u1/34159/showart_278968.html Steps for changing the archive mode in Oracle RAC Archivelog: SQL> alter system archive log current; manual archivingSQL> alter system archive log start to '/Oracle/.../arch ';SQL> select *

The Enterprise Manager Web Console of Oracle 9iAS is blank without any display and no error is reported. Restarting the HTTP server has no effect on this phenomenon. It is not helpful to stop Oracle services that run automatically in sequence. Go

Optimization of an SQL statement:Recently maintained a project. One of the SQL statements seriously affects the performance and needs to query two massive tables (icasuser has 3000 records and logon_info has nearly 0.4 million records .) the page is

When my colleague retrieved the database, it was Oracle 10 Gb. The previous deletion method was Delete. I do not know whether to use trancate. The SCN (System Change number) is spelled as system change number, which is a very important data