Oracle

@ Echo off @ echo ========================================== =================@ echo in Windows environment, the Oracle database's automatic backup script @ Echo 1. The current date is automatically used to name the backup and export files. @ Echo 2.

This script can be used to identify the character set of the Oracle server in PLSQL and display the local Oracle client characters in the CMD window.The following script can be directly copied to the PLSQL command window to run. If there is a better

SQL statement for querying and deleting duplicate records   1. Search for redundant duplicate records in the Table. duplicate records are determined based on a single field (ID ).   Select * from table where ID in (select ID from Table group

Access Database 1: The link type selected by codesmith is adoxschema.2: The access link without a password is:Provider = Microsoft. Jet. oledb.4.0; Data Source = c: \ HH \ dB. mdb;3: Access link with a password:Provider = Microsoft. Jet. oledb.4.0;

"Oracle Database entity generation tool for Winston". Refer to the original Winston tool dbtoentity.(Note: This tool was designed and developed by our boss "feather fan towel". Thanks again for providing us with such a good development auxiliary

Title: Oracle simple logical backup Link: http://blog.csdn.net/jrq/archive/2006/01/13/577833.aspx Body: 1. Backup of a user (tablespace) Export Statement:Exp market/market @ ordb owner = market file = D:/market. dmp log = D:/market. Log

The following content is transferred from: http://www.cnblogs.com/royenhome/archive/2010/08/02/1790194.html After the installation of active perl5.10 is downloaded from the official website, a simple Perl script is written. Only one file copy

Rails connection to Oracle DatabasePreparations:1) InstallationActiverecordOracle Adapter Sudo gem install activerecord-Oracle-Adapter--Source http://Gems.rubyonrails.org 2)Install Oracle client

1. Create a userIi. user authorizationIii. Role MechanismIv. Configure templates and resource restrictionsAppendix The role of database security is to control whether users can perform operations on the database and its objects. To connect to the

1. Create and set tablespaces Create tablespace mydb2Datafile 'd: \ oracle \ product \ 10.2.0 \ oradata \ test \ mydb4.dbf'Size 30 m autoextend on next 10 m maxsize unlimited,'D: \ oracle \ product \ 10.2.0 \ oradata \ test \ mydb5.dbf'Size 20 m

The view depends on the existence of the base table. After the structure of the Base table is modified, the view may be impressed. If you want to use this attempt again, you need to compile the view. The basic table is as follows:   Base table

-- create a function type Create type strcat_type as object ( cat_string varchar2 (4000), -- set the initialization of a UDF, start a clustering function static function odciaggregateinitialize (cs_ctx in out strcat_type) return number, --

Oracle Network ConfigurationThe listener. ora, sqlnet. ora, and tnsnames. ora configuration files are all stored in the $ ORACLE_HOME/Network/Admin directory.1. sqlnet. ora ----- use this file to determine how to find a connection string that

Oracle Restoration Based on Time points What precision can Oracle restore Based on Time points be accurate?This is a concern. The following tests are used to illustrate the problem. 1. First, make a cold backup2. Create Test DataD: \>

To allow PL/SQL functions to return multiple rows of data, a ref cursor or a data set must be returned. Ref cursor is limited to the data that can be selected from the query. The entire set must be specific before it can be returned. Oracle 9i

Microsoft. net. net managed provider is a common requirement for accessing Oracle, But Oracle data provider. net (ODP) or ADO. net manged provider for Oracle has the same restrictions in the Chinese environment, that is, the setting of oralce

Today, Oracle's scheduled tasks are used for scheduled detection. So Goole made a hand and realized it after a moment of confusion. Therefore, we should keep a record as follows: 1. Make sure that the Oracle working mode allows start of the task

Address: http://steve-111.iteye.com/blog/750326 A few days ago, I accidentally truncate a table, and the data in the table is very important. In addition, the table data is not backed up, and the data backed up is not the latest. For a moment, I do

Dul10 restoration of oracle lob data 5.4 DUL test 5.4.1 of the LOB field prepare a table containing BLOB fields. The following shows how to import the LOB file from the operating system to the database. // CREATE a TABLE T_BLOB SQL> show

I. InstallationKey points during installation: Global Database Name, system identifier (SID, Instance name), server parameter file (SPFILEXXX (Instance name). ORA ).Listener Configuration: The parameter file (listener. ora, tnsnames. ora) in the