Oracle

The new company to work the next day, received a task: the data on the production library to the development of the library, when I am ready to use EXPDP export data, the following internal error, no wonder before the DBA placed EXPDP/IMPDP this

In previous versions of Oracle 12C, if you wanted to achieve column growth, you would need to implement a sequence + trigger, and then 12C ORACLE introduced the Identity columns new feature, enabling the column to grow, and Mysql,sql server-like

Oracle database is widely used in all fields of society, especially in Client/server mode, but application developers often encounter the problem that the performance of the whole system decreases significantly with the increase of data volume, in

I. BACKGROUND DB2 Federated database is a special form of distributed database management. In federated database Systems, a command request to multiple data sources can be issued through an SQL command. Before replicating between DB2 and DB2

RMAN is actually installed, and we don't usually need to make any adjustments to it. However, the Rman architecture also contains a number of components that, when they form a whole, must adjust the Rman settings to get the best performance from the

ECCPRD to Q05 system copy 2018.01.25 first part V7000 storage for storage LUN copy Using a consistency group for LUN cloning To map a clone volume to a new host Force the import of the volume group on the new host because the AIX image is

1. Database design:For user-specific needs, then we create a most practical and high performance database!Steps for database design:01. Demand Analysis02. Conceptual Structure Design03. Logical Structure Design04. Physical Organization Design05.

This article comes from:Requirements for installing Oracle Database 12.1on RHEL7 or OL7 64-bit (x86-64) (document ID 1961997.1)This article does not do translation, only for the original reproduced:Applies To:Oracle database-enterprise

Problem Description:Oracle uses PL/SQL developer to export data to CSV format, VARCHAR2 Type field if the value (for example, 3307830000004059) is too long, the CSV file is represented in scientific notation, even if the column is selected, click

QUESTION 4In which of the scenario would the DBA perform recovery? (Choose all, apply.)A. The alert log file is corruptedB. A Tablespace is accidentally droppedC. One of the redo log members is corruptedD. A database user terminates the session

SCN in the control file SCN for data file header SCN in a data block SCN in the log file header Transaction SCN In-memory SCN The SCN in a control file 1.1 Database SCN Database SCN represents the SCN for the most recent full-volume checkpoint

Install Oracle 11G Single-instance database on Linux under VM virtual machine1. Environment and pre-installation planning: virtual machines and OS as followsEnvironment: VMware wordstation Ace Edition 6.0.2Operating system:

BrieflyInstallShield has built-in support for MySQL and Oracle. However, this functionality is implemented through ODBC, which is very strict in the format of SQL scripts, so the scripts that have been tested by the official client are often given

1. Log in to PL/SQL DeveloperThis omits the installation steps for the Oracle database and PL/SQL developer, and note that when you install the PL/SQL developer software, do not install in the program Files (x86) directory, or PL/SQL will not start

4. Oracle Cloud Solution 4.1 Oracle Cloud computing Cloud computing is the development and integration of technology trends that have been driving the development of enterprise data centers and service providers over the past few years,

Oracle tutorial pl/SQL introduction, oracle tutorial plsql This example describes Oracle pl/SQL. We will share this with you for your reference. The details are as follows: I. What is pl/SQL? Pl/SQL (procedural language/SQL) is an extension of

Install Oracle 11g R2 and windows711g in 64-bit Windows 7Win7 bit64 is installed with a 64-bit client.  1. Connect PLSql to the database(1) download the instantclient-basic-win32-11.2.0.1.0.zip to extract to the current Oracle project, and create a

  1 Overview In addition to permanent tables, the ORACLE database can also create temporary tables. These temporary tables are used to save the data of a SESSION or the data required in a transaction. When the session exits or the user commits a

After 12.1.0.2, when duplicate target database for standby from active database, hang will always die in restore controlfile. This error is caused by a Bug of 19664695. (Both Bug22468652 and Bug 20721271 can be attributed to Bug 19664695 .)The

Q: $ archived_log shows many creator types. If it is FGRD, it may be alter system archive log current. Then we can see that it is RMAN. How does this happen?A: It may be that these archives have been used by rman catalog. See the following testcase:[