oracle sql*plus编辑器的使用
作者：互联网
描述：
当使用Oracle的sql*plus时，为了更加方便的书写代码，对前输入的代码重新编辑。因此编辑器可以提高效率。
操作如下：
[root@oaec ~]# su - oracle
[oracle@oaec ~]$ sqlplus / as sysdba
SQL*Plus: Release 11.2.0.1.0 Production on Fri Jan 5 12:03:17 2018
Copyright (c) 1982, 2009, Oracle. All rights reserved.
Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
SQL> conn scott/tiger
Connected.
SQL> define _editor=vi
SQL> ed --当没有执行任何语句时，显示无内容可存
SP2-0107: Nothing to save.
SQL> select * from v_emp_dept where rownum<300; --执行查询语句
EMPNO ENAME JOB MGR HIREDATE DNAME LOC
---------- ---------- --------- ---------- --------- -------------- -------------
7369 SMITH CLERK 7902 17-DEC-80 RESEARCH DALLAS
7499 ALLEN SALESMAN 7698 20-FEB-81 SALES CHICAGO
7521 WARD SALESMAN 7698 22-FEB-81 SALES CHICAGO
7566 JONES MANAGER 7839 02-APR-81 RESEARCH DALLAS
7654 MARTIN SALESMAN 7698 28-SEP-81 SALES CHICAGO
7698 BLAKE MANAGER 7839 01-MAY-81 SALES CHICAGO
7782 CLARK MANAGER 7839 09-JUN-81 ACCOUNTING NEW YORK
7788 SCOTT ANALYST 7566 19-APR-87 RESEARCH DALLAS
7839 KING PRESIDENT 17-NOV-81 ACCOUNTING NEW YORK
7844 TURNER SALESMAN 7698 08-SEP-81 SALES CHICAGO
7876 ADAMS CLERK 7788 23-MAY-87 RESEARCH DALLAS
EMPNO ENAME JOB MGR HIREDATE DNAME LOC
---------- ---------- --------- ---------- --------- -------------- -------------
7900 JAMES CLERK 7698 03-DEC-81 SALES CHICAGO
7902 FORD ANALYST 7566 03-DEC-81 RESEARCH DALLAS
7934 MILLER CLERK 7782 23-JAN-82 ACCOUNTING NEW YORK
14 rows selected.
SQL> ed --将查询语句写入afledt.buf
Wrote file afiedt.buf
1* select * from v_emp_dept where rownum<4
SQL> /
EMPNO ENAME JOB MGR HIREDATE DNAME LOC
---------- ---------- --------- ---------- --------- -------------- -------------
7369 SMITH CLERK 7902 17-DEC-80 RESEARCH DALLAS
7499 ALLEN SALESMAN 7698 20-FEB-81 SALES CHICAGO
7521 WARD SALESMAN 7698 22-FEB-81 SALES CHICAGO
SQL> ed --此时会进入vi编辑区
select * from v_emp_dept where rownum<4
/
~
~
~
~ vi编辑区
~
~
~
"afiedt.buf" 2L, 42C
注：按字母i进入编辑模式，待编辑好后，将斜杠“/”删除，然后保存退出（保存步骤：ese->:wq->enter）
Wrote file afiedt.buf
1* select * from v_emp_dept where rownum<4;
SQL> / --执行刚编辑的语句
EMPNO ENAME JOB MGR HIREDATE DNAME LOC
---------- ---------- --------- ---------- --------- -------------- -------------
7369 SMITH CLERK 7902 17-DEC-80 RESEARCH DALLAS
7499 ALLEN SALESMAN 7698 20-FEB-81 SALES CHICAGO
7521 WARD SALESMAN 7698 22-FEB-81 SALES CHICAGO
SQL>
标签：CHICAGO,where,sql,plus,emp,SQL,oracle,7698,select 来源： https://blog.csdn.net/u013986802/article/details/89532931