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# Sam press enter To Go To The Sam interface, select the up and down arrow adjustment options, press enter to enter, and press tab to return to the menu ---> Sam Kernel configuration-> press enter to select Sam retriable parameters, press enter to

  1: Comparison between single commit and commit with the same number of records insertedWe can see that they are 25112152-8024588 = 170875648024588-13384 = 8011204The comparison difference reaches 9 m SQL> show parameters transaction_auditing

how to prevent black screens after October 20 Microsoft will launch a genuine verification plan for Windows XP Professional Edition and office in 20th day of this month for the Chinese market. At that time, A computer installed with Pirated Windows

1. Install the attachment Linux unzipped megalogr package, and then run the Script:./run-linux.sh (the batch file that requires the permission to be executed) to automatically collect the log, after the log collection file name: perc5linux.

In the above phenomenon, it is difficult to understand why Oracle adopts the full table scan and hash join connection method. We may wish to make a 10053 event to see what oracle has done. SQL> set autot traceSQL> alter session set events '10053

Let's take a look at the following series of executions: SQL> Create or replace view v_bmw_pay_online_new2 select *3 from Taobao. bmw_pay_online_new @ lnk_db215;SQL> Create or replace procedure sp_v_test is2 v_id number;3 begin4 select ID into v_id

Test process:Create Table Test as select * From dba_objects;Insert into test select * Form dba_objects;......Commit; Create Table sort_testSelect rownum RN, T. * from test T order by object_id; SQL> select count (*) from sort_test; Count (*)---------

Sometimes we encounter such troubles. at a specific time, a large query may cause a temporary tablespace error. However, we cannot always capture related SQL statements for optimization or processing. You can use events for diagnosis.   Sys @ OCN>

Let's first look at the table's performance without analysis and statistics. SQL> alter session set cursor_sharing = similar;Session altered. SQL> select name, value from V $ sysstat where name like '% parse % ';NAME value----------------------------

Recently, I just made a performance optimization job. According to the one-week statspack report, I wrote an optimization. Solution. I. Existing major performance problems of the systemAccording to the typical statspack report in the last week, the

Assume that there are three log groups, each of which has one member. The size of each member is 1 MB. Now we want to change the size of all three log groups to 10 MB. 1. create two new log groupsAlter database add logfile Group 4

AIX Performance Tuning-Memory and CPU Sar-P all CPU usage Sar-A File AccessThe number of fast reads (B) by the Directory Access daemon when the dirblk/s locates the fileIget/s I node to find the number of times the system process is

A long time ago, when I talked about SQL Server, I felt that its performance was not comparable to that of Oracle. When I talked about Big Data Processing, I thought of oracle. Along the way, I recorded a lot of optimization post on the local blog,

 1. Dried chiliesAlert: The color cannot be too bright when the sulfur is smoked.Identification Method: The dried chilies smoked with sulfur are bright and good-looking, with no spots. The color of normal dried chilies is a bit dark. If the hand

Let me give you a few simple sentences. For more information, see the example. 1. Try not to use like '% .. %' 2. For like '... %...' (not starting with %), Oracle can apply the index on colunm. 3. For like '%...' (not ending with %), you can change

1. Success is not as hard as you think It is not because we dare not do things, but because we dare not do things. In 1965, a Korean student majored in psychology at Cambridge University. During afternoon tea, he often goes to the school cafe or

Create procedure DBO. sp_spidtoip @ spid int As -- Spid to Mac -- LJ Declare @ Mac as varchar (12) Select @ MAC = net_address from Master .. sysprocesses where spid = @ spid -- Mac to IPDeclare @ macdisplay as varchar (18) Declare @ IP as varchar (1

Obtains or sets the index of the active view control of the multiview control. Namespace: system. Web. UI. webcontrols Attribute Value Type: system. int32   The index of the active view control of the multiview control starting from scratch. The

How can IE6 IE7 IE8 and Firefox be compatible with attributes such as height and width, margin, and padding! Filed under Internet post by dakyi_admin/ Wednesday The most difficult issue of browser compatibility in web page production is that we are

TCP connection establishment and termination --   Written by: leaf ZhouEmail: leaf_zhou_8@hotmail.comIt can be freely copied but cannot be deleted.2005-04-19 TCP is short for transport control protocol. Literally, it is the transmission control