sqlplus常用操作命令2
常用编辑命令：
A[ppend] text 将text附加到当前行之后
C[hange] /old /new 将当前行中的old替换为new
CLear] buff[er] 清除缓冲区中的所有行
DEL 删除当前行
DEL x 删除第x行
L[ist] 列出缓冲区中所有行
L[ist] x 列出缓冲区中第x行
R[un]或/ 运行缓冲区中保存的语句
x 将第x行作为当前行
SQL> select product_id,name 2 from 3 products; PRODUCT_ID NAME ---------- ------------------------------ 1 Modern Science 2 Chemistry 3 Supernova 4 Tank War 5 Z Files 6 2412: The Return 7 Space Force 9 8 From Another Planet 9 Classical Music 10 Pop 3 11 Creative Yell 12 My Front Line 12 rows selected. SQL> 1 --输入1显示第1行 1* select product_id,name SQL> append ,price --在第1行增加列,price 1* select product_id,name,price SQL> list --列出缓冲区中所有行 1 select product_id,name,price 2 from 3* products SQL> 1 --指定要修改的行 1* select product_id,name,price SQL> change /price / description --将列price替换为description SP2-0023: String not found. SQL> change /price /description 1* select product_id,name,description SQL> list 1 select product_id,name,description 2 from 3* products SQL> / --执行缓冲区中保存的语句 PRODUCT_ID NAME DESCRIPTION ---------- ------------------------------ -------------------------------------------------- 1 Modern Science A description of modern science 2 Chemistry Introduction to Chemistry 3 Supernova A star explodes 4 Tank War Action movie about a future war 5 Z Files Series on mysterious activities 6 2412: The Return Aliens return 7 Space Force 9 Adventures of heroes 8 From Another Planet Alien from another planet lands on Earth 9 Classical Music The best classical music 10 Pop 3 The best popular music 11 Creative Yell Debut album 12 My Front Line Their greatest hits 12 rows selected. SQL> run --同上，执行缓冲区中保存的语句 1 select product_id,name,description 2 from 3* products PRODUCT_ID NAME DESCRIPTION ---------- ------------------------------ -------------------------------------------------- 1 Modern Science A description of modern science 2 Chemistry Introduction to Chemistry 3 Supernova A star explodes 4 Tank War Action movie about a future war 5 Z Files Series on mysterious activities 6 2412: The Return Aliens return 7 Space Force 9 Adventures of heroes 8 From Another Planet Alien from another planet lands on Earth 9 Classical Music The best classical music 10 Pop 3 The best popular music 11 Creative Yell Debut album 12 My Front Line Their greatest hits 12 rows selected. SQL>
二、保存、检索并运行文件
SQL> list --列出缓冲区中的内容 1 select product_id,name,description 2 from 3* products SQL> save /home/oracle/test_save.sql --保存缓冲区中的内容到指定路径指定的文件中 Created file /home/oracle/test_save.sql SQL> get test_save.sql 1 select product_id,name,description 2 from 3* products SQL> start test_save.sql --将保存的文件内容读入缓冲区并执行 PRODUCT_ID NAME DESCRIPTION ---------- ------------------------------ -------------------------------------------------- 1 Modern Science A description of modern science 2 Chemistry Introduction to Chemistry 3 Supernova A star explodes 4 Tank War Action movie about a future war 5 Z Files Series on mysterious activities 6 2412: The Return Aliens return 7 Space Force 9 Adventures of heroes 8 From Another Planet Alien from another planet lands on Earth 9 Classical Music The best classical music 10 Pop 3 The best popular music 11 Creative Yell Debut album 12 My Front Line Their greatest hits 12 rows selected. SQL> @test_save.sql --同start PRODUCT_ID NAME DESCRIPTION ---------- ------------------------------ -------------------------------------------------- 1 Modern Science A description of modern science 2 Chemistry Introduction to Chemistry 3 Supernova A star explodes 4 Tank War Action movie about a future war 5 Z Files Series on mysterious activities 6 2412: The Return Aliens return 7 Space Force 9 Adventures of heroes 8 From Another Planet Alien from another planet lands on Earth 9 Classical Music The best classical music 10 Pop 3 The best popular music 11 Creative Yell Debut album 12 My Front Line Their greatest hits 12 rows selected. SQL> spool /home/oracle/select.txt --将以下输出的结果保存到指定文件中 SQL> / PRODUCT_ID NAME DESCRIPTION ---------- ------------------------------ -------------------------------------------------- 1 Modern Science A description of modern science 2 Chemistry Introduction to Chemistry 3 Supernova A star explodes 4 Tank War Action movie about a future war 5 Z Files Series on mysterious activities 6 2412: The Return Aliens return 7 Space Force 9 Adventures of heroes 8 From Another Planet Alien from another planet lands on Earth 9 Classical Music The best classical music 10 Pop 3 The best popular music 11 Creative Yell Debut album 12 My Front Line Their greatest hits 12 rows selected. SQL> spool off --停止输出结果，并关闭该文件，如果不spoo off，则后面输入的所有结果都会写入到上面的select.txt文件 SQL> [root@rhel201 oracle]# ls afiedt.buf oradiag_oracle select.txt testbak test_save.sql test.sql [root@rhel201 oracle]# cat test_save.sql select product_id,name,description from products / [root@rhel201 oracle]# cat select.txt SQL> / PRODUCT_ID NAME DESCRIPTION ---------- ------------------------------ -------------------------------------------------- 1 Modern Science A description of modern science 2 Chemistry Introduction to Chemistry 3 Supernova A star explodes 4 Tank War Action movie about a future war 5 Z Files Series on mysterious activities 6 2412: The Return Aliens return 7 Space Force 9 Adventures of heroes 8 From Another Planet Alien from another planet lands on Earth 9 Classical Music The best classical music 10 Pop 3 The best popular music 11 Creative Yell Debut album 12 My Front Line Their greatest hits 12 rows selected. SQL> spool off [root@rhel201 oracle]#
三、格式化列
SQL> / PRODUCT_ID PRODUCT_TYPE_ID NAME DESCRIPTION PRICE ---------- --------------- ------------------------------ -------------------------------------------------- ---------- 1 1 Modern Science A description of modern science 19.95 2 1 Chemistry Introduction to Chemistry 30 3 2 Supernova A star explodes 25.99 4 2 Tank War Action movie about a future war 13.95 5 2 Z Files Series on mysterious activities 49.99 6 2 2412: The Return Aliens return 14.95 7 3 Space Force 9 Adventures of heroes 13.49 8 3 From Another Planet Alien from another planet lands on Earth 12.99 9 4 Classical Music The best classical music 10.99 10 4 Pop 3 The best popular music 15.99 11 4 Creative Yell Debut album 14.99 12 My Front Line Their greatest hits 13.49 12 rows selected. SQL> col product_id format 99 --两位数字 SQL> col name heading product_name format a13 word_wrapped --将列name显示为product_name,13个字符串，自动换行 SQL> col descripton format a20 word_wrapped --20个字符串，自动换行 SQL> col proce format $99.99 --以该格式显示price列内容 SQL> / PRODUCT_ID PRODUCT_TYPE_ID product_name DESCRIPTION PRICE ---------- --------------- ------------- -------------------------------------------------- ---------- 1 1 Modern A description of modern science 19.95 Science 2 1 Chemistry Introduction to Chemistry 30 3 2 Supernova A star explodes 25.99 4 2 Tank War Action movie about a future war 13.95 5 2 Z Files Series on mysterious activities 49.99 6 2 2412: The Aliens return 14.95 Return 7 3 Space Force 9 Adventures of heroes 13.49 8 3 From Another Alien from another planet lands on Earth 12.99 Planet 9 4 Classical The best classical music 10.99 Music 10 4 Pop 3 The best popular music 15.99 11 4 Creative Yell Debut album 14.99 12 My Front Line Their greatest hits 13.49 12 rows selected. SQL> ----------- SQL> show linesize linesize 200 SQL> show pagesize pagesize 50 SQL> set linesize 150 SQL> set pagesize 80 SQL> SQL> set verify on --启用old行和new行的输出 SQL> / Enter value for test: 1 old 1: select * from products where product_type_id=&test new 1: select * from products where product_type_id=1 PRODUCT_ID PRODUCT_TYPE_ID product_name DESCRIPTION PRICE ---------- --------------- ------------- -------------------------------------------------- ---------- 1 1 Modern A description of modern science 19.95 Science 2 1 Chemistry Introduction to Chemistry 30 SQL> set verify off --禁用old和new SQL> / Enter value for test: 2 PRODUCT_ID PRODUCT_TYPE_ID product_name DESCRIPTION PRICE ---------- --------------- ------------- -------------------------------------------------- ---------- 3 2 Supernova A star explodes 25.99 4 2 Tank War Action movie about a future war 13.95 5 2 Z Files Series on mysterious activities 49.99 6 2 2412: The Aliens return 14.95 Return SQL>
说明：
save filename 保存内容，保存时加上路径
save filename replace/apend 保存并替换/追加
get filename 打开filename文件
start filename 打开filename文件并执行
@filename 同上
edit filename 使用记事本或vi打开filename文件进行编辑，如果不指定filename，则打开当前缓冲区中的内容
define _edit='editor'或define _edit='vi'定义默认编辑器
spool filename 将输出结果保存到指定文件
spool off 结束结果输出
*******VICTORY LOVES PREPARATION*******
