cascade cms

Oracle Foreign keys only have cascade deletion and no Cascade update, but sometimes such functions may be required in the system, so the implementation process is recorded here. Oracle Foreign keys only have cascade deletion and no Cascade update, but sometimes such functions may be required in the system, so the impl

Each cascade setting of hibernate corresponds to a session method.When you call this method to process an object, if the object has an associated object configured with this method for Cascade, the associated object will be processed in the same way! The following cascade settings are provided in total: Package org. hibernate. Annotations; /***

Exceptions for Hibernate multiple table associations: Deleted object would be re-saved by cascade (remove deleted object from associations): [].A one-to-many (many-to-one) association between the "cause of Reason" table, two cases: double-table pair Toto one, single-table self-correlating pair Toto one. This exception occurs when you delete an entry for a "many" party."Concrete environment background" landlord is in the single table self-correlation (

The general idea of using recursive algorithms to select a tree cascade is that of recursive algorithms. Article copyright by the author Li Xiaohui and blog park a total of, if reproduced Please clearly indicated in the source: http://www.cnblogs.com/naaoveGIS/1. Background In a project, it is found that when the tree is added with checkbox, initialization of this tree will be particularly slow. The number of nodes on the site tree is at most three

Cascade Operationsthe So-called cascade operation means that when you perform an operation on the main object, the corresponding action is done automatically from the object Hibernate. For example : Department Object relationship, I hope that when I delete a Department, It will automatically delete all the students in that Department. Another example : BBS project main post replies , the main post deleted,

Mysql cascade operation (Instance) MySQL only supports the InnoDB Storage engine for Foreign keys. When creating foreign keys, the parent table must have corresponding indexes, when a sub-Table creates a foreign key, the corresponding index is automatically created. When creating an index, you can specify operations for the child table When deleting or updating the parent table, including RESTRICT, NOACTION, set null, and

The trigger cannot be used to perform cascade update and deletion. If the foreignkey-to-field name relationship (or the foreignkey-to-unique relationship) uses SQL Server to establish dri. This dri constraint is used for the first test. If you update or delete a dri constraint, only the trigger is triggered when all constraints are passed. Therefore, the DRI foreignkey constraint cannot be associated with any update or

1. AdaptCMS AdaptCMS Lite is an open-source CMS system that features ease of use and can be easily connected to other systems. It provides a simple way to expand and customize your system, and a simple and powerful template system, and more useful functions. 2. OneCMS OneCMS is a content management system suitable for managing games. It can easily manage content and games on the site through some of its own functions, such as additional forum softwa

Six months ago, in the blog Park wrote several asp.net cms articles, at that time, is my CMS has not been done out. It's all rhetoric. Now I have deleted that few. Today, writing this article, is to feel a little bit of emotion. Now my CMS also the core is almost finished. Let's say this C # version of the CMS is ca

In the process of learning hibernate, the concept of cascade attributes and inverse attributes has been blurred, and many beginners may encounter similar situations, mainly with the following problems: 1, Cascade Properties and the role of inverse properties, that is, why use them. 2, under what circumstances to use them. 3, how to use them. For the configuration of Hibernate entity objects, they may often

The most important attributes in hibernate cascade and Inverse introduction of a cascade (1) Casade is used to explain whether or not an action on the main object is associated with a similar operation from the object, commonly used cascade: None,all, Save-update, delete, lock,refresh,evict,replicate,persist, Merge,delete-orphan (One-to-many) In general, Many-to-

Transferred from: http://javis163.iteye.com/blog/1679059When using the CMS collector, the collection process for the old generation is as follows when the collection is started:1, first the JVM decides what time to start garbage collection according to-xx:cmsinitiatingoccupancyfraction,-xx:+usecmsinitiatingoccupancyonly;2, if the-xx:+usecmsinitiatingoccupancyonly is set, then the CMS GC will only be trigger

This article brings together 30 excellent open source CMS station system, using PHP development. The following list is not in order.1. AdaptCMSAdaptCMS Lite is an open-source CMS system, characterized by ease of use and easy access to other systems, providing a simple and extensible customization path, a simple and powerful templating system, and much more useful functionality.2. OneCMSOneCMS is a content m

Master the high-end switch cascade to instantly become a master of the network, previously introduced the relevant knowledge. After the publication of the stack and cascade of switches, we have received a number of emails from many readers to discuss with us about the cascade of switches. So we will introduce some related content about high-end switch

When creating a database using the Oracle multi-Table cascading deletion method, all foreign keys are not cascade to prevent accidental deletion errors. I don't know when I entered a batch of wrong data, but I used the software to automatically import the data into the database. If I clicked a mistake, it would be difficult to delete it. The relationship between tables is complex, and the data volume is large. Deleting one table by one will definitely

Vswitch Optical Fiber port cascade connection mode and basic type when the two ports of mutual cascade are common port (that is, MDI-X) port and MDI-II port, should use a straight-through cable. Cross-cable should be used when both ports of mutual cascade are common ports (that is, MDI-X) or both are MDI-II ports. Whether it is 10Base-T Ethernet, 100Base-TX fast

Cascade Selector Based on vue2.0 and vue2.0 The cascade Selector Based on Vue. It can be single, Second, third-level Cascade, and multi-level Cascade. In web development, we often encounter cascade selector problems, especially in forms: Single

There are two routers in the home want to connect to use, or use someone else's network, want to pick up a router to use WiFi internet access, using a router cascade can connect two routers, convenient use of WiFi router. There are two ways to connect a two router: The first way: the route mode Cascade, the second level router and the superior router all have the routing function, two routers are two inde

MySQL supports foreign key storage engine only InnoDB, when creating foreign keys, requires the parent table must have a corresponding index, the child table when creating foreign keys will also automatically create the corresponding index. When you create an index, you can specify the corresponding actions on the child table when the parent table is deleted, updated, including restrict, NO action, SET NULL, and Cascade. where restrict and no action a

Original: Database Development-referential integrity-using the DELETE on CASCADE option in foreign keysOriginal:Http://www.mssqltips.com/sqlservertip/2743/using-delete-cascade-option-for-foreign-keys/?utm_source= dailynewsletterutm_medium=emailutm_content=headlineutm_campaign=2012731Referential integrity needs to be taken into account when designing databases, and in my career as a DBA, I've seen a lot of d