I. Oracle's (Resource limit) profileto control the use of system resources , resources can be used to limit profiles. Resource restriction profiles are an important part of Oracle's security policy, and resource restriction profiles allow you to
I. SQL ClassificationDDL: Data Definition language (Language)DML: Data manipulation language (manipulation Language)TCL: Transaction Control Language (Transaction control Language)DQL: Data Query Language (Language)DCL: Data Control Language
When you execute a SQL statement very slowly, do you want to ask Oracle how to execute this statement?Oracle provides sql_trace tools to let you know exactly what SQL you are doing. The process of execution isOutput to the trace file.The following
--create triggers and action examplesCreate or Replace TriggerTribeforeDelete onEMP--What needs to be done before deleting the EMP table data is written according to your own business, before is done before, after is what to do afterDeclareT_result
Oracle 11.2.0.2 bugs are still a lot of.Many libraries have encountered problems after relocating to Oracle 11.2.0.2.Questions on the two Oracle 11.2.0.2 that are now being followed:1.ora-00600:internal error code, arguments: [Ktecgsc:kcbz_objdchk],
First, the principle
Cold backup
The process of completing all physical system file copies in a closed state, also known as offline backupSuitable for non-archive mode, the database is in a consistent state
StepsStart
First, the principle
Cold backup
The process of completing all physical system file copies in a closed state, also known as offline backupSuitable for non-archive mode, the database is in a consistent state
StepsStart
Method 1:To perform the steps:Exp userid= username/password @ database name FILE=C:\EMP.DMP export using current userExp Userid=sys/[email protected] Database name File=c:\emp.dmp owner= (from which user)--Export using System userMethod 2:To perform
/*----------------------------------------------------------------------------*/Question 1[--------]Select t.* from v_t04_product_m t where T.pcode = ' c02-422 ';Select t.* from v_t04_product_m t where T.pcode = ' TEST08 ';Pcode c02-422 pid is
How can I check whether the oracle database is started in archive mode ?, Oracle Archiving
[1]
1. select name, log_mode from v $ database;
NAME LOG_MODE
------------------------------------------
QUERY NOARCHIVELOG
2. Use the archive log list
Procedure for importing an Oracle11g database to an Oracle10g Database: oracle11goracle10g
11g backup. When importing 10g data, an error will be thrown, directly blocking the import.
But sometimes I have to import a database of 11 GB to 10 Gb. This
Attempt to load Oracle client libraries threw BadImageFormatException. This problem will occur when running in 64 bit mode with the 32 bit Oracle client components installed .,
System. Data. OracleClient is out of date. Microsoft no longer supports
After the ORACLE11g system is reinstalled, follow the dbf recovery database tutorial, oracle11gdbf
1. install an oracle environment consistent with the original system, including version, data name sid, Instance name, path, and database code
2.
Solution to Oracle user locking
1. log on to and unlock the account with the dba role. First, set the specific time format to view the specific time.
SQL> alter session set nls_date_format = 'yyyy-mm-dd hh24: mi: ss ';
Session altered.
2. view the
Steps for completely detaching an oracle database
1. Disable all oracle services. You can disable it in the windows Service Manager;
2. Open the Registry: regedit open path: HKEY_LOCAL_MACHINE \ SYSTEM \ CurrentControlSet \ Services \
Delete all
What does (+) in oracle databases mean ?, Oracle Database
In oracle, (+) is a special usage. (+) represents an external join and is always placed on the side of a non-primary table.
For example, left Outer Join:
Select A. a, B. a from a left
[ORACLE] production environment using data pump impd, expdp for data migration tutorials, impdexpdp
1. operations on the original database
1.1 view original configuration
1.1.1 view User Permissions
View user system permissions:
SQL> select * from
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