Oracle

When querying by page in oracle, you may encounter data duplication problems. The following describes how to solve the data duplication problem in oracle paging query, hoping to help you. In oracle paging query, we use a widely recognized and

How can I configure an Oracle database as an Oracle Publishing Server? This is a problem that many people have mentioned. The following describes how to configure the Oracle database as a publishing Server on the SQL Server distribution Server for

The following two methods are applicable to the online and offline statuses of Oracle mobile data files in unix or linux environments. If you are interested, take a look. Oracle mobile data file: Online status of the alter tablespace method ):This

The method for setting the Oracle automatic archiving mode is not very complex. The following describes how to set the Oracle automatic archiving mode in detail, hoping to help you. Oracle Automatic archiving mode setting (Automatic archival, which

I believe you have some knowledge about ORACLE system tables and data dictionary views. The following describes the knowledge about ORACLE system tables and data dictionary views. If you are interested, take a look. 1. ORACLE system tableSystem

The Oracle COMMIT statement is expected to help you understand it. The following describes how to process the Oracle COMMIT statement. Oracle COMMIT statement processing sequenceWhen a transaction is committed, Oracle assigns a unique sequence

Guidance:When we sendDDLCommand is automatically added to the object to be processedDDL lockTo prevent objects from being modified by other users. When the DDL command ends, the DDL lock is released. We cannot explicitly request a DDL lock. Only

Introduction: Oracle DatabaseThere are three main security measures: user identification and authentication; authorization and inspection mechanisms; and whether audit technology is used by users for flexible selection ); in addition, Oracle allows

Guide:Oracle DatabaseWith its high reliability, security, and compatibility, It is favored by more and more enterprises. Many database administrators are concerned about how to maintain excellent performance of the Oracle database. The following

Create a temporary table: Create an Oracle temporary table. There are two types of temporary tables: 1. Session-level temporary table 2. Transaction-level temporary tables 1) SESSION-level temporary table because the data in this temporary table is

As we all know,TableInOracle DatabaseIn addition, fragmentation has a great obstacle to Oracle database space management. At the same time, if the disk space in the segment is large, it will also affect the database performance. Although the local

This article describes how ASP. Net cannot be connected.OracleIn this case, an old system developed by vs2003 has no problem in local debugging. After being released to the server, it is found that the database cannot be connected. The following

Preparations: 1) install ActiveRecord Oracle adapter Sudo gem install activerecord-oracle-adapter-source http://gems.rubyonrails.org 2) install the Oracle ClientHttp://www.oracle.com/technology/tech/oci/instantclient/index.html An error may occur

Oracle DatabaseWhat is the reason for the slow execution of GUID as the primary key? Next we will start to introduce it. First, introduce the environment. The database uses Oracle10g. All character fields are varchar2 [1]. All primary keys use Guid,

XDBProvides an XDB Server Service for Oracle databases to operate XML Object objects, including XML structure management and XML access control management. But XDB is actually quite familiar, but XDB Server Service, because of itsDefault portThe

In Red Hat LinuxVirtual MachineInstall OnOracleThe prompt is as follows:ORA-12514Error. How can this problem be solved? This article introduces the solution to this error. Now let's take a look at this process. Solution: [Oracle @

Oracle performance analysis tool statpackThe installation and usage are what we will introduce in this article. Through Statspack, we can easily determine the bottleneck of the Oracle database and record the database performance status, remote

ORACLE GOLDENGATEThe main component of is what we will introduce in this article. Let's take a look at it. 1. EXTRACT It is mainly responsible for capturing data from the online logfile of source db, or you can configure to capture data only from

OracleIn database operations, we sometimes useLock Table queryAnd unlock andKill ProcessSo how are these operations implemented? This article mainly introduces this part. The lock Table query Code has the following forms: Select count (*) from v $

InOracle 10gIn the database applicationUNDO tablespaceThe disk space is too large to crash. After analyzing the problem, the main reasons for the problem are summarized as follows: 1. There is a large volume of transactions that allow Oracle Undo to