Today, we optimized a paging SQL statement. Although we have optimized thousands of SQL statements in the past, they are all OLAP statements. Although there are OLTP statements, we have never done paging optimization, so record it here.
The SQL and execution plan are as follows:
SQL> SELECT A.ROWNO,EMS_EVENT_VIEW.* FROM EMS_EVENT_VIEW, 2 (SELECT * FROM (SELECT ROW_NUMBER() OVER(ORDER BY first_occurrence_time DESC) AS ROWNO,EVENT_ID 3 FROM EMS_EVENT_VIEW WHE
This morning, I was very angry. It should have been very angry. I called the post just now and scolded me. My EMS hasn't arrived in a week. I went to the school reception room, the reception room said to go to our computer school to find, I went to the computer school reception room, he said every Monday, three, five, there will be students to the school reception room to pick up the package. Fuck, the most popular is Jiangxi post, school office, comp
One of the most confusing aspects of CSS styling is the Font-size property of the text extension in your application. In CSS, you can display the size of text in a Web browser in four different units of measure.Which of the four units is best for the Web? The problem aroused a wide controversy. It is difficult to find a definite answer, because it is so difficult to answer on its own.Contact these units1. "Ems" (EM): "em" is a scalable unit for Web do
One, the iphone6s returns the attention matters:
A. Remember to put the ldquo; return label rdquo; affixed to the outer packing box. This ldquo; return label rdquo; above includes: your name, your address, return number, Apple's return address.
B. rdquo the printed ldquo; packing list into the outer box, this ldquo; packing list rdquo; contains: Description of Apple products, such as color, capacity, price, return number, etc.
C. A friend without a printer can be handwritten.
Second, iphone6s r
direction has long been determined. We can determine the source IP address.
11. Thanks
Thanks first to watchguard, and David Bonn, who believed in the netfilter idea enough to support me while I worked on it. and to everyone else who put up with my ranting as I learned about the ugliness of NAT, especially those who read my diary.
First of all, I would like to thank you for believing in netfilter ideas and su
export policy file
Install the unlimited strength policy jar files.To utilize the encryption/Decryption functionalities of the JCE framework without any limitation, first make a copy of the original JCE policy files (parameters and local_policy.jar in the standard place for JCE Jurisdiction Policy jar files) in case you later decide to revert to these "strong" versions. then replace the strong policy files with the unlimited strength versions extracted in the previous step.The standard plac
address of the NAT server to 192.168.1.250 ):# Iptables-T Nat-A postrouting-D 192.168.1.1-s 192.168.1.0/24-p tcp -- dport 80-j snat --
192.168.1.250Because the prerouting rule will run first, for internal Web servers, the packet direction has long been determined. We can determine the source IP address.
--------------------------------------------------------------------------------11. ThanksThanks first to watchguard, and David Bonn, who believed in
. replace (/-/g ,"/"));
Var EMS = new Date (now. replace (/-/g ,"/"));
Var tDayms = month * 30*24*60*60*1000;
Var dvalue = EMS-sms;
If (dvalue> tDayms ){
Return false;
}
Return true;
},
/**
* Verify the validity of the start time {the end time cannot be less than the current time {X} months}
*/
CompareRightEndTime: function (month, endTime ){
Var now = formatterDayAndTime (new Date ());
Var sms = new Date (
Delphi Xe7is a cross-platform application development tool that enables rapid development of applications for Windows, Macs, IOS, Android and various electronic products platforms, and the new Xe7 uses many of the advanced features and design ideas of the Microsoft Windows graphical user interface A complete, flexible, and reusable, object-oriented programming language (Object-oriented Language) that makes your Windows app modern with new controls and styles, with simplicity, efficiency, and pow
Php express bill number query interface example. This interface can be used to query the information of express waybills such as Yuantong Express, Shentong Express, EMS Express, and Yunda Express. no additional development is required, it is very convenient to first register on www.aikuaidi.cn through this interface can query the Yuantong Express, Shentong Express, EMS Express, rhyme delivery and other expr
(Starttime.replace (/-/g, "/"));
var ems = new Date (Now.replace (/-/g, "/"));
var tdayms = Month * 30 * 24 * 60 * 60 * 1000;
var dvalue = ems-sms;
if (Dvalue > Tdayms) {
return false;
}
return true;
},
/**
* Verify start time rationality {end time cannot be less than current time {X} months}
*/
Comparerightendtime:function (month, Endtime) {
var now = formatterdayandtime (New Date ());
var S
from Jpgoodbuy Japan to buy transshipment based on the transit data for several years, as well as customs clearance experience, but due to the domestic customs, post Office policy may change at any time, if there are changes in the customs or post Office, the latest requirements prevail.
Some questions you must know before you start.
① China Post Office International Mail entry package is all by EMS , Japan sent parcels can be directly through the d
Through this interface can query Yuantong Express, Shentong Express, EMS Express, Yun Tatsu Express, such as courier tracking information, no additional development, very convenient
First, register an account with www.aikuaidi.cn and use key!
Copy the Code code as follows:
/*** Query Logistics Information*/Define (' In_ecs ', true);
Require (DirName (__file__). '/includes/init.php ');
if ($id = Intval ($_request[' id ')) {$sql _select = ' Select C
, "," cannot be written as ","). Otherwise, an error will occur during startup!Definition of extended memory, extended memory, regular memory, upper memory, and high-end memoryExtended memory (XMS, extended MEMO-RY), is on the motherboard 0 ~ Memory other than 640k. Due to the limitations of early dos development, only 0 ~ Memory segments within kb. To use extended memory other than kb, the e-brain industry has developed an extended memory specification standard (Lotus/Intel/micro-soft/AST ). Hi
Android and android Official WebsiteControls android: EMS Properties
Address: http://blog.csdn.net/caroline_wendy
In xml
Android: EMS attributesAs EditText
Generated by defaultThe meaning of the attribute is to be edited.
String Length. When set to 10, you can edit up
10 em, An em unit is
Two inchBut with the automatic adjustment, in Android
Em indicates the number of 'M'. However
EditText attributes, Onl
bar and select "Mailbox" in the navigation bar of the right window ". Then, select the user's email address to be deleted and click "delete.
650) This. width = 650; "src =" http://s3.51cto.com/wyfs02/M00/37/D1/wKioL1Ow7I7ykaw-AAHVe0lTqGQ440.jpg "Title =" 1.png" alt = "wKioL1Ow7I7ykaw-AAHVe0lTqGQ440.jpg"/>
2. A warning window is displayed to confirm whether to delete the selected user email address. Click "yes" to complete the deletion operation.
650) This. width = 650; "src =" http://s3.51cto.c
= 650; "src =" http://s3.51cto.com/wyfs02/M00/35/BA/wKiom1Ori_byLGSXAAJxWtZ4rL0222.jpg "Title =" 4.png" alt = "wkiom1ori_bylgsxaajxwtz4rl0222.jpg"/>
5. Of course, the above establishment and management of the conference room mailbox can also be completed through EMS. The command used to create an account is the same as the command used to create a user's mailbox.New-mailboxTo create a meeting room mailbox.RoomParameters.
New-Mailbox-Database "Mailbox
} months} */ comparerightstarttime:function (Month, starttime) { var now = formatterdayandtime (New Date ()); var SMS = new Date (Starttime.replace (/-/g, "/")); var ems = new Date (Now.replace (/-/g, "/")); var tdayms = month * 30 * 24 * 60 * 60 * 1000; var dvalue = ems-sms; if (Dvalue gt; tdayms) { return false; } return true; }, /** * Verify start time rationality {end time cannot be less than
very basic, I did not explain too much detail. There are two points that are vital, so I'm adding here. One is about the length unit EMS in the media query, and the other is the response point.
Response Point Range
There have been some discussions about the term "response point" recently. Mark Boulton and Ben Callahan think we should call it the "optimization point," while Jeremy Keith hesitates between the response point and the "Adjustment poin
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