In the actual production environment we may need to quickly replicate the existing database, also hope that the new library and the original library is not the same name, or we need to replicate the production library to do research and development
In MySQL, the database corresponds to the directory in the operating system data directory, and each table in the database corresponds to at least one file in the database directory (or possibly multiple, depending on the storage engine). Therefore,
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 (db_name)
The identity of the database, just like a person's social security number, is required to install the database, create a new database, create a database control file, modify the data structure, and back up and
DatabaseOfNameYou can change the database name according to your habits. The following describes how to change the database name.
Step 2
Click Start in Windows and select programs. Select Microsoft SQL Server console from the list.
Step 2
Create 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 fileModels in
When you use the nid command to modify the Database name and dbid, you will inevitably encounter the situation where you need to modify the dbname and dbid, for example, restoring the database to the same machine is one of them. However, dbname and
Sometimes we need to modify the sid and dbname of the database. In addition to using rman for backup and recovery, we can also manually modify the sid and dbname, mainly completed by two main processes: 1. Repair
Sometimes we need to modify the sid
1. The database name is the internal identifier of the Oracle database. It should not be changed after installation. Many physical storage directories of the database use the database name.
2. instance_name, oracle_sid, and database instance name
Toss SQL SERVER 2012, get a morning to modify the database name, mainly need to modify the name of Db.mdf and Db_log.ldf, finally solved. Write it down here, and change it later, and don't forget it.Assuming the original database name is DB, the
In some systems, the Oracle database name is not very standard. If you do not want to recreate the Oracle database, you can use the nid tool that comes with Oracle to modify the name of the Oracle database. During the entire modification process,
In many cases, we need to list all the tables in the specified database. When using C # for software development, what methods can we achieve this goal? I have summarized this in the following 6 ways to achieve this goal.
1. sqldmoSqldmo is an
To rename a database, use the system stored procedure sp_renamedb. The syntax is as follows:
Sp_renamedb [@ old_name =] 'old _ name', [@ new_name =] 'new _ name'
Example 6-12: change the name of the mydb database to "my DB ".
Exec sp_renamedb
If you have used the database, then the connection to the database configuration will not be unfamiliar, whether you are using a mature framework and your own use of JDBC implementation, can not escape that several important information, but there
Error
Event Type: ErrorEvent Source: MySQLEvent Type: NoneEvent id:100Date: 2012-10-12Event: 20:42:04Users: N/AComputer: ADMINISTRATOR74Describe:Invalid (old) table or database name ' duplicate user '
For more information, the Support Center at
Toss SQL SERVER 2012, get a morning to modify the database name, mainly need to modify the name of Db.mdf and Db_log.ldf, finally solved. Write it down here, and change it later, and don't forget it.Assuming the original database name is DB, the
Database name (db_name)Distinguishing the identity of database dataSelect name from V$database; --Database nameDB instance name (instance_name)Used to interact with the operating system for external connections.Database names and instance names are
T-SQL statement to modify the logic name, database name, and physical name of the SQL Server database, t-sqlsql
This example describes how to modify the logical name, database name, and physical name of the SQL Server database using the T-SQL
The case sensitivity of the database name is compatible with the SQL server startup configuration method. For more information, see.
The case sensitivity of the database name is compatible with the SQL server startup configuration method. For more
Windows XP + VM7.1.3 + redhatlinuxenterprenterprise5.5 + Oracle11g2 changed oracle11g2 to sidorcl by default and ORCL by default.
Windows XP + VM 7.1.3 + Red hat linux enterprise 5.5 + Oracle 11g2 installed oracle 11g2 changed the default sid orcl
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