1.使用dbca
2.使用sql语句删除
SQL> shutdown immediate; 关闭数据库
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> startup nomount restrict; 切换到nomount模式且为exclusive模式
ORACLE instance started.
Total System Global Area 1640484864 bytes
Fixed Size 1345296 bytes
Variable Size 973080816 bytes
Database Buffers 654311424 bytes
Redo Buffers 11747328 bytes
SQL> alter database mount exclusive; 将数据库设置为受限模式
Database altered.
SQL> drop database; 删除数据库
Database dropped.
名称栏目：删除数据库的方法
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