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The database was found to be slow today, and a large number of processes are waiting for log file switch (checkpoint incomplete), and log files are used as follows: sys@test15>select group#,sequence#,bytes/1024/1024 "bytes (M)", Members,archived,status from V$log; group# sequence# BYTES (M) members ARC STATUS----------------------------------------------------------- 1 205 2 YES ACTIVE 2 206 2 NO current 3 204 2 YES ACTIVE sys@test15>select group#,status,type,member from V

function Checkonline ($userid, $tempid =null) { $conn = connect (); For all users First set yourself up for online $stmt = "UPDATE". Db_name. ". USER SET isonline= ' Y ' WHERE userid= '. $userid; $result = Query ($stmt, $conn); info ($stmt); If the current user is a visitor if ($tempid!= null) { $stmt = "Select Tempid from". Db_name. ". Tempuser WHERE Tempid= ". $tempid; $result = Query ($stmt, $conn); info ($stmt); If the visitor is still

Online statistics are often required on the website. In the past, the common practice is to combine login and exit functions, that is, when the user entered the user name password to log in when the Counter plus 1, and then when the user clicks the Exit button to exit the system when the counter minus 1. There are some drawbacks to this approach, for example: After the user log in normally, may forget to click the Exit button, but closes the browser d

Mopay is a world-renowned mobile payment technology company with nearly 3.3 billion customers in 80 countries, and Kolja Reiss is its general manager. In the past, the preference for anonymous access has somewhat hampered demand for mobile phone payments. Now, as the problem of data and identity theft intensifies-and the recent Sony PSN Hacking event is an example-there is a growing outcry about the idea of being able to buy online anonymously without

Design strategy of online survey tableThe questionnaires are ubiquitous on the Internet, especially by survey companies, who request that everyone browsing their site participate in their various surveys. But in fact, many of the online questionnaires are poorly designed, sometimes taking too much time, confusion, or even boredom from the respondents, and the data collected by a poorly designed questionna

Online China's leading mobile internet company offering multimedia value-added products and services Tom Online (US Nasdaq: TOMO, Hong Kong Venture Edition: 8282), with Technologies S.A, headquartered in Luxembourg. Today's joint announcement: they have signed a strategic cooperation agreement The world's leading Internet voice communication tools and instant messaging services to the vast number of Chinese

own necessary examination paper, namely utilizes the existing question storehouse, may produce many papers. In a group of volumes, you can make and delete each question you choose, in order to adjust, and you can specify the major (small) problem scores and examination time of the test paper (the default value mentioned before). In short, can make the user completely satisfied with the test paper for online examination or testing use. The key points

hypothesis for login.php add: Pay the present time first: $time =date (' y-m-d h:i:s '); mysql_select_db (line); mysql_query ("INSERT into line (Name,time) VALUES (' $name ', ' $time ')"); OK, now every logged in user has a record in the database, the following to complete the user online display program line.php: ? Mysql_connect ("local", "" "," "); mysql_select_db (line); $result =mysql_query ("SELECT * from line"); $num =mysql_numrows ($result)

Applies to PowerShell or later versions Starting with PowerShell 30, the PowerShell itself does not have a bundle of help documents. The user has to use the command update-help to update the PowerShell help document and download it to the locally protected PowerShell folder. is protected because regular users cannot perform the update command. The next time you want to see a help document without a command, you can simply use the online version. The

Online Game update Security firstFor the online online game server, change the code to put security in the first place, to avoid introducing errors.When adding a feature or correcting an error, the scope of the change should be kept to a minimum.Try not to create an impact on other existing functions.For example, there are 2 design scenarios for implementing a fe

"description": all screenshots of this article originate from the network, which has nothing to do with the product of the screenshot itself, only for illustration. At the same time this article is very simple, another day from the technical level to explain how the industry site application. Yesterday I chatted with a friend about the website online customer service, namely: Do you want the online custom

With the stock market heating up, the online bank as a transfer, payment means of the shareholders increased significantly. And through the online Bank subscription fund, can also enjoy the rate concessions. But, while enjoying the convenience of internet banking, how can we avoid the economic losses caused by hackers ' attack? "The operation risk of net silver can evade." "China Financial Certification Ce

communication protocol, both sides have to support rpcbind the RPC protocol to start the program only line! These communication protocols will be presented separately in the following chapters. Network load problem (loading):When there are a large number of packets flooding the Server or the Hub or the same domain, it is possible to cause network pauses or even hang points! In addition, if someone in the network uses BT (peer software) or someone poisoning causes the worm to fill the whole ar

partitions are mapped to physical partitions, so if the size of the physical partition is 4MB, the logical partition size will also be 4MB. The size of the logical volume depends on the number of logical partitions allocated.Tools/Materials A server or notebook with a Linux operating system installed The virtual machine environment can also Method/Step To build LVM, you first need to prepare the disk or partition for LVM. If you use a disk partition as a physical volume, y

Eclipse Online Install svn one, SVN online installationThe following is an online installation of the SVN plugin. The following are the online installation steps:　　　　Where http://subclipse.tigris.org/update_1.10.x is the latest version of the SVN plugin download site "Subclipse is the SVN plugin for Eclipse."　　　　　　Clic

Tags: Oracle1. First build the test table and insert the test data: Create table mypartition (ID number, code VARCHAR2 (5), identifier VARCHAR2 ( )); Insert into mypartition values(1,' ',' 01-01-0001-000001 '); Insert into mypartition values(2,'up ',' 02-01-0001-000001 '); Insert into mypartition values(3,'',' 03-01-0001-000001 ' ); Insert into mypartition values(4,' i ',' 04-01-0001-000001 '); commit; alter table mypartition add constraint pk_test_id primary key (ID);2. Check whether

Qq2009 has two important functions that are often easily overlooked, namely "invisible to it online" and "invisible to it ". When we were on QQ, we could choose to go online or hide ourselves. What should I do if I want to treat some QQ friends specially? Well, let's take a look at the "online stealth" and "invisible to it" that cool QQ tells you "! What is th

Author: sodimethyl this Article Source: http://blog.csdn.net/sodmeCopyright Disclaimer: This article can be reproduced without the consent of the author. However, it is not necessary to retain the copyright, author, and source information of the first two lines of the article. In the past few days, QQ games finally broke through the goal of millions of concurrent online users and moved toward a more ambitious goal, which eclipsed many other traditiona

650) this.width=650; "class=" AlignCenter size-full wp-image-5857 "alt=" Picture 3 "src=" http://www.kjxfx.com/wp-content/ Uploads/2015/08/2015-08-1920.jpg "width=" 386 "height=" 234 "style=" height:auto;vertical-align:middle;border:0px; margin:0px auto;/> Tucheng, Sabac, dragon Slayer, White boar ... A familiar word, the moment will bring us back to a dozen years ago, "blood legends" the hottest time. That section with the small partners to fight the day, the achievements of the "Hot Blood Lege

In database recovery, the most important structure is online redo logs, which contain two or more pre-batch files, store all operations performed on the database since the file is generated in these files. Each instance in the Oracle database has a related online redo log to protect the database against instance failures. Online redo log files are filled with r