常用的编辑命令，包括append, change, input, del, list, clear buffer等

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SQL> select owner,object_nam
2 from dba_objects;
select owner,object_nam
*
ERROR at line 1:
ORA-00904: "OBJECT_NAM": invalid identifier

1. 将object_name改成object_name，用change (C)
SQL> c/nam/name
1* select owner,object_name

查看修改后结果，用list
SQL> list
1 select owner,object_name
2* from dba_objects
SQL> /

2. 在结果集中增加一列object_id，用append (A)
--先列出buffer中第一行sql
SQL> list 1
1* select owner,object_name

--在结果中增加一列
SQL> a ,object_id
1* select owner,object_name,object_id

--查看修改后的sql
SQL> list
1 select owner,object_name,object_id
2* from dba_objects

3. 往sql中追加2行，用input (I)
SQL> input
3 where owner='SYSTEM'
4 and rownum<6
5 /

--查看修改后的sql
SQL> list
1 select owner,object_name,object_id
2 from dba_objects
3 where owner='SYSTEM'
4* and rownum<6

4. 删除最后一行，用del last
SQL> del last
SQL> list
1 select owner,object_name,object_id
2 from dba_objects
3* where owner='SYSTEM'

5. 清除buffer里暂存的内容，用clear buffer (cl buff)
SQL> clear buffer
buffer cleared

--查看buffer里的内容d
SQL> list
SP2-0223: No lines in SQL buffer.

所有sql script编辑命令参考：

Command	Abbreviation	Purpose
APPEND text	A text	adds text at the end of a line
CHANGE /old/new	C /old/new	changes old to new in a line
CHANGE /text	C /text	deletes text from a line
CLEAR BUFFER	CL BUFF	deletes all lines
DEL	(none)	deletes the current line
DEL n	(none)	deletes line n
DEL *	(none)	deletes the current line
DEL n *	(none)	deletes line n through the current line
DEL LAST	(none)	deletes the last line
DEL m n	(none)	deletes a range of lines (m to n)
DEL * n	(none)	deletes the current line through line n
INPUT	I	adds one or more lines
INPUT text	I text	adds a line consisting of text
LIST	L	lists all lines in the SQL buffer
LIST n	L n or n	lists line n
LIST *	L *	lists the current line
LIST n *	L n *	lists line n through the current line
LIST LAST	L LAST	lists the last line
LIST m n	L m n	lists a range of lines (m to n)
LIST * n	L * n	lists the current line through line n

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在sql*plus里编辑SQL命令

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