20130828SQL PLus学习
学习笔记 供大家分享
解锁用户
alter user scott identified by zitadmin account unlock
用sqlplus进入
命令:help index
下查看所有的命令
SQL> help index
Enter Help [topic] for help.
@ COPY PAUSE SHUTDOWN
@@ DEFINE PRINT SPOOL
/ DEL PROMPT SQLPLUS
ACCEPT DESCRIBE QUIT START
APPEND DISCONNECT RECOVER STARTUP
ARCHIVE LOG EDIT REMARK STORE
ATTRIBUTE EXECUTE REPFOOTER TIMING
BREAK EXIT REPHEADER TTITLE
BTITLE GET RESERVED WORDS (SQL) UNDEFINE
CHANGE HELP RESERVED WORDS (PL/SQL) VARIABLE
CLEAR HOST RUN WHENEVER OSERROR
COLUMN INPUT SAVE WHENEVER SQLERROR
COMPUTE LIST SET XQUERY
CONNECT PASSWORD SHOW
set linesize 200 这个是把宽度设置成200
/表示重新执行上次sql,记住一定是sql 如果你上次执行的是命令。这个是执行你命令的前面执行的sql
SQL> show user
USER 为 "SCOTT
SQL> conn/as sysdba;
已连接。
SQL> show user
USER 为 "SYS"
解释：conn/as sysdba 中不用输入密码是因为操作系统认证的关系，以DBA的身份进入
show user 显示当前的用户
连接用户
SQL> conn scott/zitadmin;
已连接。
退出连接
SQL> conn scott/zitadmin;
已连接。
SQL> disconn scott/zitadmin;
从 Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options 断开
show all显示所有操作
REFORMAT OFF
newpage 1
null ""
numformat ""
numwidth 10
pagesize 14
PAUSE 为 OFF
pno 1
recsep WRAP
recsepchar " " (hex 2
release 1102000100
repfooter OFF 为 NUL
repheader OFF 为 NUL
securedcol is OFF
serveroutput OFF
shiftinout INVISIBLE
showmode OFF
spool OFF
sqlblanklines OFF
sqlcase MIXED
sqlcode 0
sqlcontinue "> "
sqlnumber ON
sqlpluscompatibility
sqlprefix "#" (hex 23
sqlprompt "SQL> "
sqlterminator ";" (he
suffix "sql"
tab ON
termout ON
timing OFF
trimout ON
trimspool OFF
ttitle OFF 为下一条 S
underline "-" (hex 2d
USER 为 "SCOTT"
verify ON
wrap : 将换至下一行
errorlogging is OFF
显示刚刚设置的行宽
SQL> show linesize
linesize 200
清空屏幕
SQL> clear screen
清除的内容可以有：
SQL> help clear
CLEAR
-----
Resets or erases the current value or setting for the specified option.
CL[EAR] option ...
where option represents one of the following clauses:
BRE[AKS]
BUFF[ER]
COL[UMNS]
COMP[UTES]
SCR[EEN]
SQL
TIMI[NG]
SQL> clear buff
buffer 已清除
SQL>
表：all_objects
分页显示
SQL> set pause on
set pause off
please input enter
select * from all_objects;
关闭分页显示
SQL> show errors
没有错误。
SQL> CREATE or replace PROCEDURE HR.PROC1 AS
2 BEGIN
3 :P1 := 1;
4 END;
5 /
警告: 创建的过程带有编译错误。
SQL>
SQL> show errors
PROCEDURE HR.PROC1 出现错误:
LINE/COL ERROR
-------- -----------------------------------------------------------------
3/1 PLS-00049: 错误的赋值变量 'P1'
SQL> grant dba to scott;
change /原来的/想要的
C /ENMAE/ENAME
SP2-0110: 无法创建保存文件 "afiedt.buf"
SQL> ;
1* select * from emp
SQL> select deptno,ename,sal from emp where deptno=30;
DEPTNO ENAME SAL
---------- ---------- ----------
30 ALLEN 1600
30 WARD 1250
30 MARTIN 1250
30 BLAKE 2850
30 TURNER 1500
30 JAMES 950
已选择6行。
SQL> edit
SP2-0110: 无法创建保存文件 "afiedt.buf"
SQL>
没有通过
保存文件:保存上一次的脚本
SQL> save d:/a.sql
已创建 file d:/a.sql
SQL>
spool是保存多少条都可以
spool d:\b.sql
现在再做一些操作
select * from emp;
select * from dept;
spool off
append在原文件后面追加
d:\b.sql
spool d:\b.sql append
SQL> ;
1* select * from dept
SQL> select * from emp;
EMPNO ENAME JOB MGR HIREDATE SAL COMM
---------- ---------- --------- ---------- -------------- ---------- ----------
DEPTNO
----------
7369 SMITH CLERK 7902 17-12月-80 800
20
7499 ALLEN SALESMAN 7698 20-2月 -81 1600 300
30
7521 WARD SALESMAN 7698 22-2月 -81 1250 500
30
EMPNO ENAME JOB MGR HIREDATE SAL COMM
---------- ---------- --------- ---------- -------------- ---------- ----------
DEPTNO
----------
7566 JONES MANAGER 7839 02-4月 -81 2975
20
7654 MARTIN SALESMAN 7698 28-9月 -81 1250 1400
30
7698 BLAKE MANAGER 7839 01-5月 -81 2850
30
EMPNO ENAME JOB MGR HIREDATE SAL COMM
---------- ---------- --------- ---------- -------------- ---------- ----------
DEPTNO
----------
7782 CLARK MANAGER 7839 09-6月 -81 2450
10
7788 SCOTT ANALYST 7566 19-4月 -87 3000
20
7839 KING PRESIDENT 17-11月-81 5000
10
EMPNO ENAME JOB MGR HIREDATE SAL COMM
---------- ---------- --------- ---------- -------------- ---------- ----------
DEPTNO
----------
7844 TURNER SALESMAN 7698 08-9月 -81 1500 0
30
7876 ADAMS CLERK 7788 23-5月 -87 1100
20
7900 JAMES CLERK 7698 03-12月-81 950
30
EMPNO ENAME JOB MGR HIREDATE SAL COMM
---------- ---------- --------- ---------- -------------- ---------- ----------
DEPTNO
----------
7902 FORD ANALYST 7566 03-12月-81 3000
20
7934 MILLER CLERK 7782 23-1月 -82 1300
10
已选择14行。
SQL> select * from dept;
DEPTNO DNAME LOC
---------- -------------- -------------
10 ACCOUNTING NEW YORK
20 RESEARCH DALLAS
30 SALES CHICAGO
40 OPERATIONS BOSTON
SQL> spool off
语法：
spool d:\b.sql
select * from emp
select * from dept
spool off
这样就是保存select * from emp
select * from dept
save只能保存上一次运行的语句
spool可以保存多条
在SQL Plus中执行sql文件
方法：@....\a.sql
@D:\app\windsna\product\11.2.0\dbhome_1\demo\schema\human_resources\hr_popul.sql