level 3 colocation

reduced from 1495 reads to 3 reads. Comments No Surprise. Table scanning 121,317 rows to find just one are not very efficient. Table 1: Retrieving a single line Our second query retrieves all the lines for a single sales order, and you can see the details of the execution in table 2. Sql SELECT *From SalesOrderDetailWHERE SalesOrderID = 43671 Heap (one row (s) affected)Table '

Web Front-end development practice 3: jQuery Implementation of level 2 drop-down menus As we all know, jQuery is a framework that encapsulates JS to make it easier to use. The first two blog posts are implemented using CSS styles and JS. In this article, jQuery is used to implement the level-2 drop-down menu. The following knowledge is required to implement JQuer

Tags: external logs png sample 9.png orders many show differencesT-SQL Advanced: Beyond basic Level 3: Building correlated Subqueries Gregory Rassen, 2014/03/05 Original link: http://www.sqlservercentral.com/articles/Stairway+Series/105972/ The series This article is part of the Advanced series: T-SQL Advanced: Beyond the basics From his ladder to T-SQL Dml,gregory Larsen covers more advanced aspects of th

1, block-level elementsA: Features:A.1 is displayed by default in the upper-left corner of the parent tagA.2 Block-level element fills a row by default (fills the entire document stream)B: Common block-level elementsP H1--h6 ul Li ol li Div hr table2. Inline element (inline Element)A: common = in-line elements areA span img inputB: Features of inline elementsB.1

national standards, GB/T 20271-2006 General information security technology information system security technical requirements and GB/T 20272-2006 Information Security Technology Operating System security technical requirements, hereinafter referred to as "GB/T 20272 -2006 ") to provide users with a complete set of effective independent access control design and implementation methods. According to the requirements of GB/T 20272-2006, the autonomous access control of a

DomThe Document Object model, or DOM, is the standard programming interface recommended by the Organization for the processing of extensible flag languages . The Document Object model dates back to the late 1990 's "browser Wars" between Microsoft and Netscape, which gave the browser powerful features in order to make life and death in JavaScript and JScript. Microsoft has added a number of proprietary things to Web technology, including VBScript, ActiveX, and Microsoft's own DHTML format, makin

CentOS startup level: init 0, 1, 2, 3, 4, 5, 6 This is a long-time knowledge point, but I have been confused all the time. Today I am trying to understand it .. 0: stopped 1: Maintenance by root only 2: multiple users, cannot use net file system 3: more users 5: Graphical 4: Security Mode 6: restart In fact, you can view the rc *. d file in/etc/rc. d/to compare

Select province, city, or county from the drop-down menu at level 3 of Django analysis, Today, I encountered a feature that I always wanted to do but I didn't have the opportunity to do. Now I will record it when I finish it today. What is the specific function this time? In fact, it is quite simple, that is, when users register, they can choose the province, city, and county, a very simple small function.

effect. Color is a can not be ignored in detail, in addition to its own level of rich, but also can effectively adjust the image of the light and shade levels, improve the image of the deficiencies in color, to foil the effect. Figure 1 Figure 2 Figure 3 So, how to use color to pull out the image of the level of light and

understand such problems in the future. Step 1: open a modelModel name: Sale and Marketing. mdlPath: C: \ Program Files \ cognos \ c8 \ webcontent \ samples \ models \ Transformer8 \ ENStep 2: Create a manual level1. Generate the categories and receive the warning.2. Add a level on Retailer countryRight-click Retailer country and Insert LevelLevel name: Sales District3. Click Retailers dimension --> Show digoal, for example: Download(19.21 KB) 4.

Provincial/municipal level-3 menu query applet, Note:1. the user selects the corresponding option according to the program prompt. If the input is invalid, the user will be prompted to re-enter the option. Select q to exit the program.2. Go to the Level 3 menu. Only the exit option and the back-to-

Python exercise _ module01-1-3 level menu, pythonmodule Simulate the operation of Level 3 menus with a level 3 directory. 1. First, create a dictionary that can indicate the ing between three levels of directory structures, and t

Kendall rank (Kendel level) correlation coefficient 1. Introduction In statistics, the Kendel correlation coefficient is named after Maurice Kendall, and is often expressed by the Greek letter Tau (Tau. The kender correlation coefficient is a statistical value used to measure the correlation between two random variables. A kender test is a non-parametric hypothesis test that uses the calculated correlation coefficient to test the statistical dependenc

have adopted 6 optimization methods altogether.We have described the 4 optimization strategies in the Java read Level-1 (1), "Java reading LEVEL-1 market dbf File Extreme Optimization (2)". Optimization one: Using memory hard disk (RamDisk)Optimization two: Using Jnotify, with notifications instead of polling Optimization three: Using NIO to read filesOptimization Four: Reduce memory redistribution and GC

IPV4 Theoretical knowledge 3---- classification address two level addressing ObjectiveThis time is mainly to explain the content of IPV4 , because this aspect of the content is more important , I do not agree to the article introduced , a little bit of knowledge dot a content that does not seem to be messy . If there is a problem , please

=window.setinterval (function () {}, time interval milliseconds);Window.clearinterval (a);Four. Level, child, parent relationship"Level, child space and newline count a location"Parent of element A: A.parentnodeThe previous element in the peer of element A: A.previoussibling and the previous a.previoussibling.previoussiblingThe next element in the middle of element a: a.nextsibling another a.nextsibling.nex

[Terry Notes] python Level 3 menu, Output the Level 3 menu, select it, and display it layer by layer. "B" returns to the level 1 menu. 1 menu = {2 'beijing': {3 'haidian ': {4 'wudaokou': {5 'soho ': {}, 6 'netease ':{}, 7 'Google

index a heap. If you create a table in an Azure database, there is no choice; Each table must be a clustered index.ConclusionA clustered index is a sort table that is specified by you when the index is created and maintained by SQL Server. Any row in the table can quickly access its key value. Any set of rows in the index key sequence can also be accessed quickly within the scope of the key.There can be only one clustered index per table. The decision about which columns should be clustered ind

Pick up a blogFiles: Forms in Site/links/img0_add.html (line 4th)submit to File: site/links/img0_add_up1.chtml (in the Light Open e-commerce system (Enterprise entry-level business website) under the site/links/directory)organize the full file nameInsert name, link address, file URI into databaseSave FileIf the author does not have permissions, prompt and returnreturned when added successfullyAll code(file: site/links/img0_add_up1.chtml) in the Light

Change the topic image for homepage carousel (3. Save and add) --- light open e-commerce system (enterprise entry level B2C website), E-commerce system B2C Connect to a blog File: Form (row 4th) in site/links/im1__add.html) Submit to file: site/links/im1__add_up1.chtml (in Light open e-commerce system (enterprise entry level B2C website)Under the site/links/dire