nexxus stats

of the course number and the number of elective, query results in descending order of numbers, query results in descending order of numbers, if the number is the same, in ascending order by course numberSelect CID as course number, COUNT (*) as number from T_scoreGROUP BY CIDOrder BY Count (*) desc,cid45. Retrieve the student number of at least two elective coursesSelect SID from T_score GROUP by SID has Count (*) > = 246. Check the course number and course name of all the students who have enr

The wait state is an important means of isolating SQL Server performance issues, starting at the instance level. You can probably see if SQL Server is in a tight state of resources for some time in the past. It depends on whether you have an effective performance data collection mechanism in place. Sys.dm_os_wait_stats This DMV data is collected from the last boot of the instance. withWaits as ( SELECTWait_type, Wait_time_ms/ +. aswait_time_s, -.*Wait_time_ms/ SUM(Wait_time_ms) Over() aspct,

' Month ' UNION SELECTDate_format (Curdate ()-INTERVAL 9 MONTH),'%y-%m ') as ' Month ' UNION SELECTDate_format (Curdate ()-INTERVAL Ten MONTH),'%y-%m ') as ' Month ' UNION SELECTDate_format (Curdate ()-INTERVAL One MONTH),'%y-%m ') as ' Month ' See the 12-month display: select t.month from past_12_month_view t group by t.month; 2.4 Correlate 2.3 of 12 months ' display data with 2.2 query results SelectV.Month, Ifnull (b.minute,0)minute fromPast_12_month_view V Left Join(Select

How to count the number of clicks or impressions of an image link on a php page? Ask a master to give some ideas? See a lot of online, useful database with the cache, the kind of optimal? Reply content: How to count the number of clicks or

Create temporary table classname Select 1 as CID, ' small class ' as Cid_name union ALL Select 2, ' small class two ' union ALL Select 3, ' Small three class ' union ALL Select 4, ' Middle class ' union ALL Select 5, ' Middle class '

1, use premise: need to add the dependent framework in the Project:adsupport.framework and security.framework 2. in the appdelegate.m file -(BOOL) application: (uiapplication *) Application Didfinishlaunchingwithoptions: (nsdictionary *) The

Transferred from: http://www.jianshu.com/p/0497afdad36dUser Statistics. JPEGUser behavior Statistics (users Behavior Statistics, UBS) has always been an essential part of mobile internet products, also known as buried Point. In order to ensure that

JS Code STAT pid 10937 #服务器进程的进程号 STAT uptime 3120815 #服务器自运行以来的秒数 S TAT time 1369216979 #当前服务器上的UNIX时间 STAT version 1.4.15 #服务器的版本字符串 S TAT libevent 1.4.13-stable #libevent版本 STAT pointer_size #可以理解成操作系统位数 ST At Rusage_user 40.708811

To parse the crash log, you first need to keep the compiled. xcarchive file at the time of publication. This file contains the. dSYM file. Where is this file? Open the Xcode-> menu Window->organizer, and Right-click on the compiled file to open it.

STAT PID 1552 STAT Uptime 3792 STAT Time 1262517674 STAT version 1.2.6 STAT Pointer_size 32 STAT Curr_items 1 STAT Total_items 2 STAT bytes 593 STAT Curr_connections 2 STAT Total_connections 28 STAT Connection_structures 9 STAT Cmd_get 3 STAT

At the beginning of the project, both Android and iOS were returned with a bugly to the bug in the late iOS online process, prompting for a conflicting approach to bugly's upload, and then iOS to the Allies, but the headache is that the captured iOS

CREATE TABLE Ccol ( ID integer NOT NULL auto_increment, #记录的ID IP char (a) is not NULL, #访问者的IP地址 Dtstamp datetime NOT NULL, #最后访问时间 Uri Char (255), #访问者请求的URI Primary KEY (ID) ); Copy CodeThen,

                 In some cases, the models may be very similar to one another. in other cases, the models may radically diverge. if your domain model and your data model are very similar, you can consider aggregating an instance of your data

historical data generated by statspackA: manually delete the history records in statspack.1) retain data for the last monthDelete from perfstat. stats $ snapshot where snap_time -- 2520 records-- 1313.869 sNote: It takes 25 minutes to delete 2520 records because delete from stats $ snapshot will delete the records related to snap_id in all the tables on behalf of snap_id, therefore, it takes a long time (e

user[Oracle @ rac1 ~] $ Export NLS_LANG = american_america.ZHS16GBK[Oracle @ rac1 ~] $ Cd/data[Oracle @ rac1 ~] $ Exp perfstat/oracle @ orcl file =./perfstat_backup.dmp wner = perfstat[Oracle @ rac1 ~] $ Ll-t-Rw-r -- 1 oracle dba 1893620736 Apr 27 perfstat_backup.dmp2. Delete historical data generated by statspackA: manually delete the history records in statspack.1) retain data for the last monthDelete from perfstat. stats $ snapshot where snap_time

STATS commandTraversing the memcached cache object (C #)For performance considerations, memcached does not provide the traversal function, but we can use the following two stats commands to obtain all the cache objects.1. stats itemsDisplays the number of items in each slab.2. stats cachedump slab_id limit_numDisplays

Stats command Traversing memcached Cache Objects (C #) reproduced in the Grass church For performance reasons, memcached does not provide traversal functionality, but we can get all of the cached objects through the following two stats commands. 1, stats items Displays the number of item in each slab. 2, stats cached

there is a direct correspondence between the v$ view in the SGA and the corresponding Statspack table, for example: V$sysstat--------->stats$sysstat Sql> DESC V$sysstat Name Null? Type ----------------------------------------- -------- ---------------------------- statistic# number NAME VARCHAR2 (64) CLASS number VALUE number Sql> DESC Stats$sysstat Name Null? Type ------------------------

/ss_get_mysql_stats.php /var/www/html/cacti/scripts/Edit the file to confirm that the user name and password are correct: vi /var/www/html/cacti/scripts/ss_get_mysql_stats.php $mysql_user = 'cacti';$mysql_pass = 'cacti'; Import template: Open the cactiy page --> Console --> Import Templates --> browse and add Import result: Import ResultsCacti has imported the following items:CDEF[success] Percona Turn Into Bits CDEF [new][success] Percona Negate CDEF [new]GPRINT Preset[success] Percona MySQL

/ss_get_by_ssh.php./usr/share/cacti/scripts/ss_get_mysql_stats.php./usr/share/cacti/scripts/ss_get_rds_stats.py Now we only need two mysql files: ss_get_mysql_stats.phpcacti_host_template_percona_mysql_server_ht_0.8.6i-sver1.1.4.xml Copy ss_get_mysql_stats.php to the cacti directory: cp ./usr/share/cacti/scripts/ss_get_mysql_stats.php /var/www/html/cacti/scripts/ Edit the file to confirm that the user name and password are correct: vi /var/www/html/cacti/scripts/ss_get_mysql_stats.php $m