Oracle

Oracle different versions of Official documents online reference and packaging Download The address summary, listed here, for your reference.1.9iOracle Official Document1) Online BrowsingHttp://www.oracle.com/pls/db92/homepage2 download in hand,

Ash (Active session History) Ash is based on V$session, sampled once per second, and records events waiting on the active sessions. Inactive sessions do not sample, and the sampling is done by the newly introduced background process MMNL. The ASH

Oracle CBO RBO Detailed url:http://blog.163.com/love-love-l/blog/static/21078304201010175035270/ Http://blog.csdn.net/cnham/archive/2010/04/13/5482318.aspx First part What is Table analysis. Simply put, it is the information that collects tables

There are many interfaces in the current project, the data source may be different database or different users of the table, to access the table caused a certain amount of trouble. This time you can use synonyms to simplify. The syntax for synonyms

a project: data that needs to be migrated from the old server to the new server and exported with expIMP encountered the following error message when importing EXP export backup:IMP-00017: following statement failed with ORACLE error 2298: "ALTER

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After completing the Ogg Studio12.2.1.3 installation, use repository Creation Utility (abbreviation: RCU) to create a repository that stores information about projects, solutions, mapping, and deployment.Now let's start creating a repository.1 ,

CONFIGURE encryption for DATABASE OFF; # DefaultCONFIGURE encryption algorithm ' AES128 '; # DefaultThree strategies for Rman backup security are password security, Oracle Wallet security, and hybrid encryption securityRman> show encryption for

PL SPL provides 3 different types of cyclic structures--Example: Index loop_counter starting from 1, ending at 10, looping total 10 times forLoop_counterinch 1..TenLOOP ... Executable statement ...ENDLOOP;--index Loop_counter starting from 10, to 1

--Most of the dba/all/user/v_$/gv_$/session/index starts with a view-Dba_tables means all the relational tables that the DBA has or can access.--All_tables All relational tables that a user has or can access.-User_tables means all the relational

Oracle SQL * Plus is a client tool that interacts with Oracle. In SQL * Plus, you can run the SQL * Plus command and the SQL * Plus statement. The DML, DDL, and DCL statements we usually call are SQL * Plus statements. After they are executed, they

JDBC course objectives:1. Design a multi-layer database application architecture2. Create a multi-level database application using Java programming language contentAnd jdbc1.0 APIs3. Relational Database Design for objects4. Introduce jdbc2.0 API and

[Tips] key points for migrating an Oracle database to PostgreSQL Recently, I tried to port an Oracle database, along with Java applications built on this database, to the PostgreSQL environment. During the transplantation process, I summarized some

Oracle job sample executed at every dayDeclare X number; Begin SYS. dbms_job.submit (Job => X, What => 'etl _ run_d_date ;', Next_date => to_date ('2017-08-26 01:00:00 ', 'yyyy-mm-dd hh24: MI: ss '), Interval => 'trunc (sysdate) + 1 + 123

Table creation:Create Table blobimg (ID int primary key, contents BLOB );1. dedicated access to blob storage:1) JDBC examples that are most common in OracleGenerally, the Blob column is first locked Through select... for update, then the Blob value

Oracle Database 11g Release 2 Standard Edition and Enterprise Edition software downloadsOracle Database 11g 2nd Standard Edition,Download Enterprise Edition SoftwareMicrosoft Windows (32-bit) disc 1, disc 2 (2 GB) 1Microsoft Windows (x64) disc 1,

1. Oracle Introduction Oracle is the first word for English translation of oracle (Oracle bone inscriptions) Unearthed from Yin.. Oracle is the world's largest supplier of information management software and services. It was founded in 1977 and is

The stored procedure created in oracle is inconsistent with the syntax in sybase and SQL server. The following example shows how to use stored procedures in different databases. --------------------------- Oracle: Create or replace function MY_FUNC (

Differences between drop, delete, and truncate in oracle: droptruncate Differences between drop, delete, and truncate in oracle you can use the drop, delete, and truncate commands to delete tables in the database, there are many articles and

What is the Oracle database shutdown and startup command ?, Oracle commandsPreface Log on to sqlplus with sysdba and run the following command. On windows, the background processes that constitute instances in oracle are implemented by threads