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1, why must the module name have @ prefix?Because in order to unify the module's method, if has the module name prefix is @, then the system will go to the system comes with the own internal Database (AM.dat) inGet the configuration information for the module.So in order to distinguish it from other standard modules, the module
Lower_case_table_names parameter Details:Where 0: Case sensitive, 1: Case insensitiveMySQL under Linux database name, table name, column name, alias casing rules are like this:1, database name and table
Label:1 Public class Efdbcontext:dbcontext 2 {3public efdbcontext ()4 base( "name=mysqlcon")// Here you can specify the name value of the connection database string in Web. config 5 {}6 }Such as: connectionStrings > name= "Mysqlcon" providerName= "System.Data.SqlClie
How to resolve the inconsistency between SQL Server database instance name and Server name -- EXEC sp_addmediaserver -- @ Server = 'pshgq' -- GO -- Select * from sys. servers -- EXEC sp_dropserver 'pshgq' -- EXEC sp_addserver 'sugon', local -- Select @ servername -- Select serverproperty ('servername ') Use [d
Database and table names are case-insensitive in Windows, while they are case-sensitive in most types of UnixLinux systems. So how can we deal with this problem? after some queries, we found that the lower_case_table_names parameter can be case sensitive in MySQL, and databases and tables are actually directories and files under the Data Directory. Therefore, the sensitivity of the operating system determines the case sensitivity of the
Tags: create database mod XML file map rom mode RTM fieldAt first I thought the two had to be consistent and later discovered that they could be mapped in an XML file like hibernate. Mappernamespace= "Com.tenghu.mybatis.model.xml.DepartmentMapper"> Configure mapping Fields - Resultmaptype= "Department"ID= "Tab_department"> ID Property= "IDs"column= "IDs"/> result Property= "Dename"column= "De_name"/> re
not a person, so, after the people have gone, things do not need to make corresponding changes.Framework: A container that holds database objects, objects within the framework must be unique, the names of objects of different frames can be the same, and a database has multiple frames. In the previous (SQL 2000) database object access, The server
原文出处：http://blog.csdn.net/dba_huangzj/article/details/38944121，专题目录：http://blog.csdn.net/dba_huangzj/article/details/37906349 No person shall, without the consent of the author, publish in the form of "original" or be used for commercial purposes without any liability. Last article: http://blog.csdn.net/dba_huangzj/article/details/38895357 Preface: Logins are used to authorize and access server resources, and you need to map users inside the database
Label:A project was previously deployed in Wuhan and deployed in Nanjing. Because it is in line with others to do, the database is built by others to complete, we are only responsible for the database of several tables of data processing. The previous database name is Projectwh, when the deployment of Nanjing, the begi
Overview I wrote about the Server login name, server role, database user, database role relationship, and theoretical knowledge in a previous blog. You can refer to this blog: Login Name, server role, user Name and database role.
In Linux: the default data file storage directory of MySQL is/var/lib/mysql. I want to do two things today: Change the Database Name (three methods are tested), and change the directory location of the MySQL database. Database rename: 1. rename database zhoz_db to zhoz_db_ba
user data types, there will be no one-to-many cases.(C) syscolumns. length is the length of the physical memory, so nvarchar, varchar, and Other types are shown in the database as half of this. 4. Obtain the column names of the primary keys in the table: Select syscolumns. name from syscolumns, sysobjects, sysindexes, sysindexkeys where syscolumns. id = object_id ('tablename') and sysobjects. xtype = 'pk'
Tags: find log sele exe serve Windows SQL database new madeSQL Server original Windows authentication cannot log on after the computer name is modifiedTags: database2016-09-26 15:04 1491 People read review (1) Favorite ReportCategory: DB Road--sqlserver (3)After renaming the computer, the SQL database cannot be used to resolve the problem.1. Log in with SADatabas
User name and password issues for Access databases Start my access's MDB file does not set the username and password, use the above connection statement can The connection was successful, and then I thought for a little security, I wanted to set the open password for the database MDB file, I opened the MDB file and set the password in Tools, security-set database
Sometimes when we read the database output, we may need to sort the data by the Chinese user name. Some new friends have no idea about this. Next we will introduce the implementation method in detail in the small Editor, if you are interested, learn more. Sometimes when we read the database output, we may need to sort the data by the Chinese user
How to permanently delete an Oracle database to create a database with the same instance name and an oracle instance I chose the OMF method when creating the database today. The result file name is automatically named in Oracle. I cannot understand it, so I decided to delete
Mysql database import and export and modify database name commands There are two ways to import and export mysql databases 1) export the SQL script first and then import it (there are two types of import and export: 1. commands. 2. tools. Here we only introduce commands ). 2) directly copy database files (this m
Use MyDBGo--1. Querying the logical file name of the current databaseSELECT file_name (1) as ' file name 1 ', file_name (2) as ' file name 2 ';--or query with the following statement:--select name from Sys.database_files/*File name 1 file
Tags: tin display ase file user color default multiple classCreate a new database with EF Code First, which is the default: namespace. Models.moviedbcontext such as database files, if you want to use a custom database name, you can use the following method: 1.1, first must establish a good model file Models in Movie.cs
Sometimes when we read the database output, we may need to sort the data by the Chinese user name. some new friends have no idea about this. next we will introduce the implementation method in detail in the small editor, if you are interested, you can understand that sometimes we may need to sort data by Chinese user name when reading the
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