Oracle

  Oracle sequence is mainly used to generate sequential numbers, which is often used in Oracle EBS systems. However, when you need to modify the sequence Initial Value (start with), many people think that: Alter sequence sequencename start with N.

See the original http://support.microsoft.com/default.aspx? SCID = KB; ZH-CN; 330126 Our system is experiencing this problem and Microsoft cannot fix it online.ProgramI don't know which program to download to Microsoft. The download link is

Introduction Oracle Database is a commercial database with the highest market share. With the intelligence of Oracle management tools, such as Oracle em provides powerful management and tuning functions, oracle DBA management tends to be

1. To optimize the query, try to avoid full table scanning. First, consider creating an index on the columns involved in where and order. 2. Try to avoid null value determination on the field in the WHERE clause. Otherwise, the engine will discard

Original article: Http://qa.taobao.com /? P = 7887   Since Oracle introduced the automatic management of memory parameters for 10 Gb, it seems that the problem of sga pga parameter settings that had plagued DBAs has been gradually ignored. Yes.

This article only discusses the most common index in Oracle, namely the B-tree index. The database version involved in this article is Oracle8i. 　　1. view User indexes in the system table In Oracle, the system table is automatically created when

In a sense, it can also be said that the comparison of common functions of sqlserver and MySQL. Mathematical functions 1. Absolute ValueS: Select ABS (-1) ValueO: Select ABS (-1) value from dual 2. INTEGER (large)S: Select ceiling (-1.001) ValueO:

Reference: http://blog.csdn.net/llxsharp/article/details/3888030 Http://blog.csdn.net/yxm1014/article/details/5225080   After installing Oracle 9i, I forgot the password of the database administrator I just changed, and did not reinstall it. It was

SYS: has the role or permission of DBA, sysdba, and sysoper (System Operator). It is the user with the highest Oracle permissions and can only Log On As sysdba or sysoper, but cannot log on as normal.System: Has dBA and sysdba permissions or roles.

A storage function is a named PL/SQL block. It can accept parameters and can be called. Generally, a function is used to calculate a value. A function has a similar structure with a process, but a function must return a value to the main call

In the past two days, after processing sqlserver, you can connect to the server to connect to the Oracle database to write data to the Oracle database, In the SQL Server Stored Procedure, Begin tran Insert oracle ..... Commit; When the SQL Server

In win2003 and win2000 enterprise operating systems, uninstall Oracle 9i: 1. Stop all Oracle services2. Delete All Oracle items in the Registry(1) Delete the Oracle directory under HKEY_LOCAL_MACHINE \ Software(2) Delete All Oracle items under HKEY_

Monitoring Method: LoadRunner monitors OracleHttp://www.docin.com/p-92077154.html   Counter introduction: 1. sorts (Disk) (V $ sysstat)If the number of disk writes is non-zero for a given sort operation, then this statistic is incremented. sorts

I. query basic table information SelectUTC. column_name, UTC. data_type, UTC. data_length, UTC. data_precision,UTC. data_scale, UTC. nullable, UTC. data_default, UCC. CommentsFromUser_tab_columns UTC, user_col_comments UCCWhereUTC. table_name = UCC.

The configuration environment is correct. After the restart, the database cannot be connected. Active-passive relationship1. Let listener actively load the serviceThe reason is to add(Sid_desc =(Sid_name = orcl)(ORACLE_HOME =/data/cache1/oracledb/

Set auto-increment of model primary keys It indicates that the primary key field of the moviemodel data table is auto-incrementing and assigned by the database. It does not need to be processed. The setting method is as follows. Select the primary

Oracle Indexing TechnologyBasic InformationAuthor: (US) Darl Kuhn Sam R. alapati Bill padfield [Translator's profile]Translator: Lu TaoSeries name: Turing programming SeriesPress: People's post and telecommunications PressISBN: 9787115296269Mounting

Microsoft's overall e-government framework (used in Qingdao) Basically, it is also a layer-4 structure:1. Surface Layer (or display layer, unified portal Support Platform ):Provides unified access interfaces and Identity Authentication

After installing the latest oracle11g R2, open SQL developer and find that the interface is different from the previous one. I am not very used to it. I occasionally find that I can change the topic in the settings, so I changed the Windows topic,

Rownum is a pseudo column that generates a serialized number based on the returned records. With rownum, we can produce some output results that were originally hard to implement, but because it is a special feature of pseudo columns, we also need