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Clerk7566 JONES MANAGER7902 FORD ANALYSTModify:UPDATE VW_EMP20SET deptno=20WHERE empno=7902;An error will be generated:UPDATE VW_EMP20*The ERROR is on the first line:ORA-01402: View with CHECK OPTION violates the WHERE clauseDelete of view:Drop View view_name statement to delete views.Deleting a view's definition does not affect the data in the base table.Only the view owner and the user with the Drop view permission can delete the view.After the view is deleted, other views or apps that are ba
Oracle rman backup tutorial, mongolerman backup Oracle rman backup tutorial Rman must be in oracle archive mode to check whether the database is in archive state. Enter archive log list in the command line of the oracle database.
Basic Oracle Tutorial: objects under sys cannot be exported in expdp. Basic Oracle Tutorial: objects under sys cannot be exported in expdp. Objects in sys users cannot be exported. SQL> select owner, segment_name, tablespace_name from dba_segments where tablespacE_name = 'users '; OWNER SEGMENT_NAME TABLESPACE_NAM
Oracle GoldenGate Quick Start Tutorial: Basic Concepts and configurations 1. Introduction to GoldenGate Oracle Golden Gate is a log-based copy and backup software for structured data. It parses online logs of the source database or archive logs to obtain incremental data changes, apply these changes to the target database to synchronize the source database with t
must be uppercase and lowercase plus numbers, and must be more than 8 digits.) Trouble, you can enter the usual oneself habit of short password can be)8. If the password entered is short and simple, the installation will prompt the following. Just confirm Y to continue with the installation.9. Prerequisite checks. The installer checks to see if the hardware and software system meets the minimum requirements for installing this Oracle version. The imm
Linux NTP service configuration for Oracle RAC tutorial, ntprac When installing Oracle 11g RAC, We need to configure the ntp service. There are many ways to configure the clock synchronization mode when using virtual machines. You can use the clock synchronization feature provided by vmware or directly use a local node as the time server. This article describes
Oracle Installation tutorial in win10 system, win10oracle How to install oracle in win10 When installing Oracle, copy all the files under winx64_12102_database5of2databasestagecomponents of two software packages to the winx64_12102_database_1of2databasestageComponents folder. When installing
Non-Data guard patch installation tutorials refer to the [Oracle] cpu/psu patch installation tutorial, where Data Guard requires primary and standby to be patched at the same time, so the steps are more complex and the main steps are as follows: Stop log transport service at primary; Close the standby database, standby software on the patch (note: Do not need to make a patch for the standby database), sta
The following is the data Guard CPU/PSU patch installation method for a detailed analysis of the introduction, the need for friends can refer to the next Non-Data guard patch installation tutorials refer to the [Oracle] CPU/PSU patch installation detailed tutorial, where Data Guard requires primary and standby to be patched at the same time, so the steps are more complex and the main steps are as follows:1
shown in, click Next. Management options. Click Next directly, as shown in. Database storage. Click Next directly, as shown in. Backup and recovery. If you need to back up your data, enable automatic backup, and select "Do not enable automatic backup" here, as shown in, click Next. Scheme password. For ease of testing, the same password is used here, and the actual deployment can be done at your own discretion. Profile. After you complete the prerequisite check, click Finish to start
Connecting Oracle database instances through ASP.net tutorial For a long time, I have been using the MS SQL server/access database, access to Ms Home through. NET almost nothing trouble. In the recent project, Oracle was used as a database to learn about some. NET access to Oracle, and found a lot of problems.1. Syste
Oracle index creation and SQL optimization tutorial, oraclesql Oracle index creation and SQL optimization tutorial Database index: The index has a single column index. Compound Index If a field in a table has primary key constraints and uniqueness constraints, Oracle automa
Installation of Oracle in Virtual Machine use PLSQL Developer Connection tutorial in host machine, oracleplsql To meet the development requirements, install the XP system and Oracle on the VM, and install the Oracle Client and PLSQL Developer on the host to simulate remote Oracle
In a 64-bit Win8 system, the Pl/SQL connection Oracle setup tutorial, win8oracle On Windows 8 64-bit system, 64-bit Oracle is installed, but there is no 64-bit PL/SQL, And the Oracle database cannot be connected. What should I do? There are some methods: we can install a 32-bit Or
) and Instant Client for Microsoft Windows (32-bit). Installation process Please refer to: Click to open the link After the installation is complete, configure the environment variables and add the following two variables, respectively: NBSP; value: d:\oracl11_64\product\11.2.0\client_1\network\admin Nls_lang Value: American_america. Zhs16gbk Edit path: add:D:\Oracl11_32\instantclient_11_2 " Plsql Developer 8 "→" Tools "→" preference " " Oracle_home " :NBSP; d:\oracl11_32\
In Oracle, how does one implement a function similar to automatically adding an ID ?. We often use an ID automatically assigned by the system as our primary key when designing a database, but this feature is not available in ORACLE, we can use the following features to implement that we often use an ID automatically assigned by the system as our primary key when designing a database. However, this feature i
In fact, according to the previous problems I have done a few days debugging, found the problem, and successfully in my own small project to use the normal practice, then I will now share my experience.1, the database connection and the contents of the configuration file I do not say, the above has been explained. I'm only here to illustrate my operation based on an example of a datasheet. 2, the table structure is as follows: 3, there are 3 fields in this table, ID primary key, username use
Graphic tutorial on connecting eclipse to oracle 11g Database Eclipse is an open-source and Java-based scalable development platform. Eclipse comes with a standard plug-in set, including Java Development Kit (JDK ). 1. First, create a project DB, right-click the DB, and select Build Path --> Configure Build Path. Use Add External JARs .. to select ojdbc14.jar under D: \ orcl \ app \ hr \ product \ 11.2.0 \
Oracle index creation and SQL optimization tutorial, oraclesql Database index: The index has a single column index compound index. If a field in a table has primary key constraints and uniqueness constraints, Oracle automatically recommends a unique index on the corresponding constraint column. The database index mainly improves the access speed. Construction Pr
the host name (you can fill in your IP address, you can also fill in your host name), using the standard port number 1521, next 7. For testing, the next step 8. Select Change Login 9. Fill in user name and password, determine 10. Test connection success, next 11. Network SERVICE name, default (same as previous database name), next 12. Do not configure another net service name, choose No, Next 13.Net Service name configuration completed, Next, complete Start Pl/sqldevelop
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