By creating a trigger to log user login, audit the logged-in user, record the login user, host, system users and IP address:1. Create a table in SYS mode that records the details of the client's login to the database
Starting with oracle10g, Sqlplus provides a parameter option-prelim, using this parameter when the system is hang. We can connect to the SGA instead of the database, which means no session is created.
First, you can obtain system information
Starting with oracle10g, Sqlplus provides a parameter option-prelim, with this parameter, when the system is already hang. We can connect to the SGA instead of the database, i.e. no session is created.A. The following steps allow you to obtain
It is strange that when we query db_cache_size today, we find that the value is 0. Later, we checked some sharing areas, and it was actually 0.
SQL> show parameter db_cache_sizeName type value----------------------------------------------------------
Let's look at a strange phenomenon.
SQL> Col name for A40SQL> Col value for A30SQL> select name, Value2 from V $ Parameter3 where name in4 ('large _ pool_size ', 'java _ pool_size', 'shared _ pool_size ', 'streams _ pool_size ','Db _ cache_size
Created:
Article attributes: original
Article submission: T_Torchidy (jnchaha_at_163.com)
Oracle web Environment Injection Technology## BY Jianxin# Http://www.loveshell.net/#
Preface
I am not a professional database administrator, nor a researcher
Problem Description:
Deletes a data based on the table primary key ID, which executes more than 5 seconds after a commit has been performed on the PL/SQL.!!!
Problem Analysis:
The requirement is to delete a primary table A, and another two tables
Tkprof: an executable tool that analyzes the ORACLE tracking file and generates a more user-friendly and clear output result. Step 1. set the parameter file to set the three parameters
-- Obtain the current session ID under PL/SQL delover command
Select sys_context ('userenv', 'sid') Sid from dual; -- start the 10046 trail
Alter session set events '2014 trace name context forever, level 12'; -- declare
Type type_owner is table of
Oracle
The new experience of ORACLE's virtual Private database
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