winforms online

Almost all changes that occur in oracle online redo log files are recorded in online redo log files. oracle uses these redo log groups to restore the database, therefore, they are very important. The main work of online redo log files is to back up data, 1: record all data changes 2: Provide a recovery mechanism 3: It must be organized into groups 4: there are at

Tags: blog http io using ar strong for file dataDatabase Administrators can have any tablespace online (online) (accessible) or offline (offline) (inaccessible) in the open (open) State of the database in addition to the SYSTEM tablespace (tablespace). The SYSTEM table space is always online when the database is open (open), because Oracle needs to use the data d

The first requirement is to do a display of online user nicknames and online numbers. Then the personal idea is to make a field in the user table to mark the user online (1) or not online (0), when the user logs on the setting of this field is 1, This field is set to 0 when the user exits through the normal channel (

Online Information Storage: completing the web as platform May 12,200 6-Show Original item I 've written several times in the past (most special here) about online storage and its importance to the next generation of the web. the developments in this space over the last year have been fascinating indeed. for true Web 2.0 software (which I'll define here simply as networked applications that explicitly le

Sharepoint is a set of products that Microsoft uses to quickly build enterprise information portals, collaborative communication, content management, search, business processes, and Bi. SharePoint online is an online version of SharePoint and a public cloud version of SharePoint. SharePoint online is a cloud-based service and a public cloud

A friend and I talked to a case, a tablespace originally had a data file (already has a lot of data entered), then he added 7 data files, this time he found that he added more files, want to delete these data files, but do not understand the database, directly offline the table space, and then rm the relevant data files, The last table space cannot be online. I have simulated the recovery test for the scene, restoring it using bbed and Dul Simulation

Source: New daily report The "Free hurricane" in the online gaming market has effectively led to a sharp increase in online users. For the emerging operating model of "free", online gaming giants including Kingsoft and Shanda in China are still in silence in this field, and there are also different opinions in the industry. Industry insiders believe that the f

When we have not had time to lament the fast and convenient internet banking, viruses and hackers have been the success of many users have scared a shiver. Does it mean that enjoying a convenient life must be exchanged with its own safety? 　　"User Story" Don't Talk to strangers. 　　Case Playback February 28, 2005, Netizen Yao in a "good Trading network" website, click into the ICBC online payment system, he entered his own card number and password bu

MySQL versions, for the Add index processing is different, there are three main types: (1) Copy table methodThis is the earliest supported way to create an index INNODB. As the name suggests, creating indexes is done through temporary table copies. Create a temporary table with a new index, copy all of the original table data to a temporary table, and then rename to complete the index creation operation. This way the index is created, and the original table is readable during the creation pro

This article from: http://www.iii-soft.com/forum.php? MoD = viewthread tid = 1626 extra = Page % 3d1 IntroductionThe online banking system is a system in which banks provide various financial services and value-added information services to customers over the Internet. In order to securely carry out online banking services, different security technical specifications must be adopted in the following aspec

Principles and Application of pt-online-schema-change, ptonlinechangeschema If it is reprinted, please indicate the source of the blog: www.cnblogs.com/xinysu/. The copyright belongs to xiaoradish in the blog garden. Thank you for your support! PERCONA provides several tools for managing and maintaining MySQL. It is integrated into PERCONA Toolkit and provides tools such as slow query and analysis, master-slave differential comparison, master-slave

Now because everyone's pace of life faster, online shopping more and more people, the internet shopping behavior is more and more frequent. What clothing, tobacco, alcohol, mobile phones, kitchenware, pet food and so on, in addition to some have to personally experience the ability to sell things, almost nothing on the Internet to buy. And online shopping also often have some unexpected harvest, let people

Oracle online backup In Oracle, online backup requires database operations in ARCHIVELOG mode. In an online store, the database must be on 24x7. Therefore, it is impossible for users to back up the database offline without accessing the database. In this scenario, the database should be run in ARCHIVELOG mode. In this mode, the transaction will continue to run,