udemy subscription

1. What is Pub/sub Pub/sub function (means Publish, Subscribe) is the publishing and subscription function. In an event-based system, Pub/sub is a widely used communication model that uses events as a basic communication mechanism to provide loosely coupled interaction patterns required by large systems: subscribers (such as clients) express an event or a class of events that it is interested in receiving by means of event subscriptions; publishers s

Label:Distribution and subscription of distributed development Publish subscription: Data real-time backup synchronization Software environment: SQL server2008 R2 Hardware environment: Depending on the amount of data and the tasks assigned by the corresponding machine Number of machines: depending on the split line standard (i.e. split line where data is stored separately) Role When the database s

Original: SQL Server transactional replication distribution to subscription synchronization slowRecently found that there is a release frequently problems, every few days the error is not synchronized, prompting the request to initialize. After you re-adjust the synchronization, the copy is still slow! 5 million or 6 million orders are not distributed every day! To resolve slow issues, you need to understand what is going on from the publication datab

Tags: Server reader support view error logging service build Info CLIOriginal: SQL Server local replication subscription for database server read-write separationThe previous paragraph Echosong wrote about MySQL data synchronization to realize the separation of business read and write, today we look at SQL Server replication subscription implementation of data read and write separation SQL server replicatio

The ability to select the scheduled time in the change. Choose the one you want Select OK next Choose to perform a connection announcement server under the SQL Server Agent service account Select SQL Login Click Next Click Finish Click on the publication right click on the property change Snapshot directory Click Properties to select a shared directory The directory location that you put in is the shared directory, and the publication creation succeeds 2.1.2 Creating a SubscriptionClick Copy

" Application Error #1 "/SO MyApp ", we can see that the command is successfully executed. Through this command, we have customized an event. The Eventcreate command is used to create Event Logs. The parameter "/T" is used to specify the event level as "ERROR", and the parameter "/ID" is used to specify the event ID as "100 ", the parameter "/L" is used to specify the event type as "SYSTEM", and the parameter "/D" is the event description "Application Error #1 ", the parameter "/SO" is the sourc

Characteristics of RSS news reader A. There is no advertisement or picture to influence reading the title or article summary.B. The RSS reader automatically updates the content of your custom website to ensure timely news. ------------------------------------------------------------------------- What is RSS and how to use it?Reference: http://hi.baidu.com/wthsvlkykxgipre/item/d6ffc53141c9f1d56d15e90aHow to Use RSS to subscribe and read RSS is a simple way to share content online (also called ag

Original: SQL 2012 publish and subscribe to implement data synchronization plots (resolve error 22022)Concept See also: https://msdn.microsoft.com/zh-cn/library/ms151170.aspx Push subscriptions changes can be pushed to subscribers on demand, continuously, or on a schedule. The Distribution Agent or Merge Agent runs at the Distributor. Typically, data is synchronized continuously or in accordance with a schedule that is frequently repeated.

registration----fill in the name of the remote server to be registered----Authentication Select SQL Server Authentication----user name (SA) password, for IP only, not computer name, Register the server alias for it, see above.The preparation is done and the next thing we do is publish and subscribeThree: Publish and subscribeRelease(1) First we open SqlServer2005 Management Studio (Enterprise Edition) on the publisher (winserver2003). Locate the replication node in the Object Explorer, right---

Premise: The publication of the subscription can only be used on the same intranet machine, in fact, this can be configured with the Configuration Manager alias function can be set, the external network can also be done in this way.The configuration process references old D's article: http://www.cnblogs.com/daizhj/archive/2009/11/18/1605293.htmlSQL Server Publish subscription feature test:(I found this func

Tags: strong RoCE Record Account method library file Moni Public distributionThis article describes configuring a local publishing subscription in a single instance. Replication is a set of technologies that replicate and distribute data and database objects from one database to another, and then synchronize between databases to maintain consistency. With replication, data can be assigned to different locations and assigned to remote or mobile users o

Free benefits provided by RedHat for development and subscription membersGuideAs part of the Red Hat Developer Program, we now provide a free RHEL subscription. Yes, you are not mistaken! Members of the developer program can now get a free set of Red Hat Enterprise Linux licenses. The RHEL Development Kit will provide programmers with a stable development platform for building Enterprise applications. Re

); } }; returnNamespace? (Namespacecache[namespace]? Namespacecache[namespace]: namespacecache[namespace] =ret): ret; }; return{create: _create, one:function(Key, FN, last) {varevent = This. Create (); Event.one (Key, FN, last); }, remove:function(Key, FN) {varevent = This. Create (); Event.remove (key, FN); }, listen:function(Key, FN, last) {varevent = This. Create (); Event.listen

Problem description: First of all, I don't know if you have any similar experience. In the transaction replication that can be updated and subscribed, when the subscription is initialized, an error similar to this occurs: the column name 'msrepl _ tran_version 'is invalid. (Source: MSSQLServer; error code: 207) Figure 1. Check errors by copying the monitor 　　 Figure 2. Check errors through job history Problem Analysis: We know that the msrepl_tran

Background knowledgeJMS is a standard developed within the Java Standardization Organization (JCP) (codenamed JSR 914). June 25, 2001 , Java Messaging Service released JMS 1.0.2b,2002 March 18 Java messaging Service Release 1.1.The Java Messaging Service (Java message SERVICE,JMS) application interface is an API for message-oriented middleware (MOM) in the Java platform for sending messages between two applications, or distributed systems, for asynchronous communication.Point-to-point and publis

Tags: count information publication tracking view ISS lis Status int original link: 11646023SQL SERVER 2012 uses subscription publishing to synchronize databases (i)September 16, 2013 16:51:00 Hits: 6517 If the enterprise is bigger, there will be branch offices. The branch and the head office are both unified and independent. This is the business, the technology to serve the business, then the question before us is how to make the data both unified a

Reprint Address: http://www.cnblogs.com/echosong/p/3603270.htmlThe previous paragraph Echosong wrote about MySQL data synchronization to realize the separation of business read and write, today we look at SQL Server replication subscription implementation of data read and write separationSQL server replication is relatively powerful compared to MySQL replicationI. Noun interpretation 1, the composition of the duplication of the organization (analogy n

　What is a member mobile phone subscription? Mobile phone member is the opening of the Thunder member of one of the payment channels, mobile phone only need to open the specified monthly business, by deducting mobile phone calls to get the use of Thunder members. 　How to unsubscribe from a monthly mobile phone member? One, 15 yuan mobile phone subscription to unsubscribe method: 1. Mobile/Unicom User Un

The access_token is correctly obtained for public account development. You can call the Server IP address Retrieval Interface normally. When you call the custom menu creation and custom menu retrieval interfaces, the prompt [ quot; errcode quot;] appears. amp; gt; int (48001) to explain the reason, whether to call the missing parameter or the subscription number does not have this connection... Public Account development. access_token is obtained c

China Unicom CDMA (WAP monthly subscription) method on the Internet. China Unicom's "interactive vision" Traffic monthly package (that is, WAP monthly package) on the Internet method. I. Specific methods: 1. First install the driver of the CDMA Nic. 2. Install the VPN Client software and authentication certificate. 3. Insert the UIM card into the NIC and enable the CDMA Nic. Program . Dialing #777 Account WAP WAP Password 4. Enable the VPN software