er studio tutorial

1. Identifying Relationship:1 to many. The primary key of the parent entity is the foreign key (FK1) of the child entity, and FK1 is the primary key. 2. No identifying, mandatory relationship:1 to many. The primary key of the parent entity is the foreign key (FK1) of the child entity, and the FK1 is not empty. 3. No identifying, optional relaotionship:1 to many. The primary key of the parent entity is the foreign key (FK1) of the child entity, and FK1 can be empty. 4. One-to-one relationship:1 t

1. The build stored procedure needs to be canceled because there is a problem with the script statement that generated the stored procedure.2. Generate comments for database tables and fields There is also an error "Sys.sp_addextendedproperty stored procedure has invalid parameters", for example:The default ER generated comment statement is: exec sys.sp_addextendedproperty ' ms_description ', ' whether delete ', ' schema ', ' ', ' table ', ' dt_manage

Document directory Copy attribute name to definition using macros in ER/studio Copy attribute name to definition using macros in ER/studio Recently, when processing the SQL script generated by ER/studio, we found that if the de

Data | database | database structure Difficulty coefficient: 0 This article aims to: Introduction to Er/studio Database modeling software, feel better than rose and Visio database modeling and easy to use No Erwin garbled problem, PowerDesigner has been no use, hehe, heard has not seen: A system developed by the company, because it is provided to the customer code, so the customer carried out two times de

Difficulty coefficient: 0Purpose:This article introduces the ER/studio database modeling software, which is easier to use than Rose and Visio database modeling.Powerdesigner has never been used without the error code of Erwin. Haha, I have never heard of it before :) A system developed by the company because it is provided to customersCodeSo the customer conducted secondary development.At the same time, fo

There are two ways to set up frame animations in Cocosstudio: Single photo Multiple photos You can click the link to see the relevant article, but you need to point out the error point in the article: addChild(rootNode); //需要添加这一句 Copyright NOTICE: This article for Bo Master original article, without Bo Master permission not reproduced."Independent Developer ER cocos2d-x combat 002" Create frame animations using Cocos

[Independent developer er Cocos2d-x practice 003] Using Cocos Studio plist file, cocos2d-xplistIn The [independent developer er Cocos2d-x practice 002] Using Cocos Studio to create a frame animation, we already know how to create a frame animation, Next let's talk about how to create/generate plist files.The procedure

; Windows NT 5.1; trident/4.0; asktbcs-st/5.11.3.15590;. NET CLR 2.0.50727; Alexa Toolbar) "Analysis learned:117.26.203.167 Access IP Spider02/may/2011:01:57:44-0700 Access date-time zoneget/index.php http/1.1 According to http/1.1 Protocol crawl (under the domain name)/index.php This page (get represents the server action)500 Server Response Status code HTTPThis is illustrated below:Website Log analysis tool: lightyears log Analysis tool (classic tools/Common)2. HTTP status Code200 on behalf of

engine bounce rateBounce Rate: Users come to your site and only browse a page to leave the percentage.Thinking: What are the impact on site rankings? The principle of fast-line technology.3 , where is the site navigation? What role does it have? Example:http://www.wycszx.com/ Hefei registered company Hefei Company Registration Hefei Company in Hefei Agent Company Registration Promotion keyword Density blend usehttp://www.tuniu.com/ Weight 7 The category page promotes weights.Thinking: How to

, homepage template, picture after adding Alt (backup first)birthmark Station ALT case:2. How do I add nofollow tags to an unnecessary chain of links in the website?Rel= "nofollow" an apple of 10 people, everyone thirst. 15 people to eat, everyone is not happy.can go crawling and ingest, but do not pass the weightCase one:rel= " Nofollow">Case TWO:rel= "nofollow" class= "more" > more Focus on home page weights, especially during new stations.Focus on home page weight to do the first page of keyw

; Books + Research + discussion + Notes + combat URL Note points: http://tj.hf365.com/xglfy/13.htmlhttp://tj.hf365.com/xglfy/? 13.htmlhttp://tj.hf365.com/xglfy/13/ Summary: Do a page corresponding to a URL. Key Summary: Baidu Search engine Optimization Guide 2.0 Three sentences in the user, so seoer do not optimize and optimization, search engine to the end by the user to eat. Copyright NOTICE: This article for Bo Master original article, without Bo Master permission not reproduced. "

encounter this situation, how to quickly dig out their own site The most advantageous side, that is, how to quickly find their own site of a certain or some of the ranking of some words.A: Check your site's brand words, refer to the old station (top)5. Q: We usually do keyword, Baidu index results, the impact of our lyrics, is not sure to meet the Baidu index to do this word.A: Long tail words, do not need to consider Baidu Index, later, it is necessary to consider the Baidu index more. Because

? taking the relocation of Hefei as an exampleHefei Moving company fees and details Hefei moved to move Hefei Binhu moving company to move Hefei school relocation needs to pay attention to what matters?First: The title must appear long tail keywords; second: As far as possible in the keyword tags and description tags appear in the long tail keywords; Thirdly, we must reasonably arrange long tail keywords appear in the article or content inside.(2) the page title , to appear long tail keywords, p

Android Studio series tutorial 1 download and installation background Android Studio VS Eclipse prepare to download and create the HelloWorld project, androidhelloworld Android Studio series tutorial 1-download and install background Android

Android device listener shows connected physical devicesNote: The connection between your PC and your Android device is using a service called the Android Debug Bridge (ADB). If you do not see the device, click the Terminal button in the lower left corner of the IDE and enter the following command:adbstart-serverIt is likely that you still do not see the device after the ADB service restarts. Perhaps the USB driver requires a computer restart, although not likely.Now click on the Green Run butt

BackgroundI believe you are no stranger to Android studio, Android Studio is Google I/O Conference for Android Development of new development tools, many open-source projects are already in use, Google's update speed is also very fast, Clearly feel that this is the future of Android development, then we have no reason to embrace the future?Although the introduction of a long time, but the extent of the dome

The following is the second article of the IDE Android Studio tutorial released by the Google I/O conference:The basic use of Android studio, including installation, new engineering, engineering structure, and theme settings, is briefly described in the use of the Android Studio Tu