Orientdb 简明教程
OrientDB - Drop Database
类似于 RDBMS，OrientDB 提供了删除数据库的功能。 Drop database 指的是彻底删除一个数据库。
Similar to RDBMS, OrientDB provides the feature to drop a database. Drop database refers to removing a database completely.
下列陈述是删除数据库命令的基本语法。
The following statement is the basic syntax of the Drop database command.
DROP DATABASE [<database-name> <server-username> <server-user-password>]以下是上文中选项的详细信息。
Following are the details about the options in the above syntax.
<database-name> − 您想要删除的数据库名称。
<database-name> − Database name you want to drop.
<server-username> − 拥有删除数据库权限的数据库的用户名。
<server-username> − Username of the database who has the privilege to drop a database.
<server-user-password> − 指定用户的密码。
<server-user-password> − Password of the particular user.
Example
有两种删除数据库的方法，一种是删除当前已打开的数据库，另一种是通过提供特定名称来删除特定数据库。
There are two ways to drop a database, one is drop a currently open database and second is drop a particular database by providing the particular name.
在此示例中，我们将使用此前章节中创建的同名数据库“demo”。您可以使用以下命令来删除数据库 demo 。
In this example, we will use the same database named ‘demo’ that we created in an earlier chapter. You can use the following command to drop a database demo.
orientdb {db = demo}> DROP DATABASE如果这个命令成功执行，您将得到以下输出。
If this command is successfully executed, you will get the following output.
Database 'demo' deleted successfully或
OR
您可以使用另一个命令来删除数据库，如下所示。
You can use another command to drop a database as follows.
orientdb> DROP DATABASE PLOCAL:/opt/orientdb/databases/demo admin admin如果这个命令成功执行，您将得到以下输出。
If this command is successfully executed, you will get the following output.
Database 'demo' deleted successfully