Oracle

Bug 9772171-database startup hangs on Windows if machine have more than cores [ID 9772171.8]This article has been explained: fix (fix) the bug in 11.2.0.2.The 11GR2 version is now available in 11.2.0.4, and 11.2.0.4 is the final 11GR2 version. So we

I. What is PL/SQL?PL/SQL (procedural language/sql) is an extension of Oracle in the standard SQL language.PL/SQL not only allows the embedding of the language, but also defines variables and constants, allows the use of conditional and circular

Before deploying Oracle products, it is first to determine whether the current version of the platform is certified by Oracle, and it is recommended to deploy Oracle products on a certified platform. Without certification, it is not recommended to

Hibernate configuration to connect to the database can facilitate our operation of Pojo, saving a lot of time and code. The following is a description of the configuration required to connect different databases in Hibernate.cfg.xml.Need a database

The Oracle database has been used throughout the project, and since I've been focusing more on the ORM Mapping framework, with little attention to Oracle features, a lot of things that are not known, and the probability of a database being swapped

For the result set that is often checked, a small number of records are returned, the server side is cacheable, the result set is stored in the shared pool, the binding variable is assumed, and the value of the bound variable is the same.Sql> Show

I. Differences in the types of BLOBs and CLOB in OracleBLOBs and Clob are large field types, blobs are stored as binary, and CLOB can store text directly. The two are interchangeable, or you can use LOB fields directly instead of the two. But in

In oracle11g, Oracle has a lot of security improvements, and in terms of network permissions control, there is a new concept called ACL (Access control List), which is a fine-grained permission control. Before the ACL, we have some packages, such as

ASM (Automatic Storage Management) is a new feature introduced in oracle10g R2 to simplify the management of Oracle databases, which is Oracle's own volume manager, which is used primarily to replace the LVM provided by the operating system. It not

--User sql>--Create a user named Grace password is password, the new user does not have any permissions sql> create user grace identified by password; Authentication User: Password authentication method (user name /password) external authentication

The lock table condition statement for the query database is as follows: SELECT p.spid,a.serial#, c.object_name, B.session_id,b.oracle_username,b.os_user_name from v$process p,v$session A, v$locked_object b,all_objects c WHERE p.addr=

Classification of single-line functions in Oracle:1. Character Functionssubstr (): String interceptSelect substr (' I love you, you know? ', 0,4) from dualExecution result: I love you,Length function: string lengthsSelect Length (' I love you, you

 First, the logical system structure diagram　　Two, the logical structure diagram composition IntroductionAs can be seen from the table above, a database consists of multiple table spaces (tablespace), a table space consisting of multiple segments (

After following the first three posts on Oracle installation, you should finish installing Oracle successfully. We'll further discuss how-to-start and shutdown Oracle related services manually and automatically in the this post. Manually 1) Start up

Utility functionsDECODEThe syntax is as follows:DECODE (value, IF1, Then1, If2,then2,if3,then3, ... else) value represents any column of any type of a table or any result that is computed. When each value is tested, if value is the result of the If1,

Modify the read checkpoint and write checkpoint of each process in OracleGoldenGate (ogg) Note: exercise caution when modifying the Read and Write checkpoints of each process in Oracle GoldenGate (ogg. Make sure that you have mastered the specific

Example of ORA-19527 and ORA-00312 error resolution in 10gDG In the past few days, we have set up a 10g DG Windows 2008 R2 testing environment, mainly to re-build a production database DG for a customer tomorrow. Some problems have been found, so I

[Oracle] RMAN for OGG data Initialization Lab environment: Source and target: DataBase: 10.2.0.1.0 OS: OEL5.6 OGG: fbo_ggs_Linux_x86_ora11g_32bit The source uses rman to back up the entire database: RMAN> run { Allocate channel ch00 type disk

. NET using ODP. NET to connect to Oracle Database notes, odp. netoracle 1. Development side install ODP. NET.: http://www.oracle.com/technetwork/topics/dotnet/downloads/index.html Note: We recommend that you download the same odp version as the

Oracle obtains table structure information: Table Name, view or not, field name, type, length, non-empty, primary key, and oracle View select a.TABLE_NAME as "TableName", case when (select count(*) from user_views v where v.VIEW_NAME