begintransaction

  MySQL database table news, the field is as follows Id | int | auto_increment | primary key Title | varchar Content | varchar Date | varchar   1: hibernate insert operation Session session = hibernatesessionfactory. getsession ();

1. Transaction Overview A transaction is a set of data operations performed as a single logical unit of work. These operations must either be all successful or all fail to ensure data consistency and integrity. Transactions have the ACID

When initializing the sqltransaction class, you need to use the begintranscation () method of the sqlconnection class: Sqltransaction mytran; mytran = myconn. begintransaction (); This method returns a variable of the sqltransaction type. After the

Before you start, it is necessary to talk aboutSession)AndTransaction). What is session and transaction? Session and transaction are the two most important objects provided by nhib.pdf. The Session object can communicate with the database and

Hibernate Note 3 -- Multi-Table operations-Navigation query, hibernate3 -- 1. One-to-multiple operations1. Construct the object class and compile the configuration file:Party: 1 // one Customer corresponds to multiple linkman 2 private sets

Level 1 cache (session cache)1. The life cycle is the life cycle of the session.2. data stored in the primary cache is private data.Stores sessions in threadlocal, and different threads cannot be accessed. This ensures data security.3. How to store

In-depth analysis of dynamic Fragment management, in-depth analysis of fragment 1. Relationship between Fragment and Activity To understand how to dynamically manage Fragment, first understand the relationship between Fragment and

The content of this section Transaction overview 1. New Object "Test submitted successfully" "Test failed Rollback" 2. Deleting objects 3. Updating objects 4. Save the updated object Conclusion

The content of this section Transaction overview 1. New Object "Test submitted successfully" "Test failed Rollback" 2. Deleting objects 3. Updating objects 4. Save the updated object Conclusion

Recently saw the big large round menu, want to start imitation, because it is too cool, and then according to others (brother ZW) to tell me some ideas, some analysis, began to transform their own round menu. Article structure: 1. function

Bean file packagetk. blank_hibernate.bean; importjava. io. Serializable; importjava. SQL. Blob; publicclassImageimplementsSerializable {***** success; privateIntegerid; privateBlobimage; publicImage Bean file package tk. blank_hibernate.bean; import

Slidingmenu Introduction:Slidingmenu is a relatively new setup interface or configuration interface effect, in the main interface left or right slide display settings interface, can easily do a variety of operations. There are a lot of applications

1. Steps for using hibernate in Java applications Create a configuration file for hibernate Create persistence class Create object-link ing File Write database access code through hibernate API 2. Structure of the helloapp Application     Iii.

Original link: http://www.cnblogs.com/DiYuShe/admin/EditPosts.aspx? Opt = 1     Before building the environment, we need to prepare the following items (which is used below ): Structs2.2.3 download Hibernate3.3.2 (originally used 4.0, but spring

When initializing the sqltransaction class, you need to use the begintranscation () method of the sqlconnection class:Sqltransaction mytran; mytran = myconn. begintransaction (); This method returns a variable of the sqltransaction type. After the

Sqlconnection Constructor (the overload is two functions ):Public sqlconnection ();Public sqlconnection (string); initialize a connection with a given connection string. Attribute:. connectionstring. Connectiontimeout connection failure timeThe most

The project development tool uses the MYECLIPS3.6, first is establishes the project, the import struts+hibernate package, then configures the SRC and the directory hibernate.cfg.xml. I'm using the MySQL database , So the configuration is as

1. You can overload the method to specify the configuration fileNew Annotationconfiguration (). Configure ("hibernate.xml"). Buildsessionfactory ();So the reading is hibernate.xml but generally not recommended to modifyGetcurrentsession refers to a

First, let's first look at the increment. in SQL, the increment is insert, that is, insert. In hibernate, we only need to manipulate an object for sava and then commit the transaction, the insert function can be implemented. Let's take a look at the

Use of transactions in YII2 and preamble to code examplesIn general, we do business logic, and will not just associate a data table, so you will face a transaction problem. A database transaction is a sequence of operations performed as a