Oracle 12C新特性-History命令

在12c里，推出了History命令，类似Shell中的history命令

语法如下：

SQL> help history

HISTORY

-------

Stores, lists, executes, edits of the commands

entered during the current SQL*Plus session.

HIST[ORY] [N {RUN | EDIT | DEL[ETE]}] | [CLEAR]

N is the entry number listed in the history list.

Use this number to recall, edit or delete the command.

Example:

HIST 3 RUN - will run the 3rd entry from the list.

HIST[ORY] without any option will list all entries in the list.

过程如下：

[oracle@cjcos ~]$ sqlplus / as sysdba

SQL> hist

SP2-1650: History is off, use "SET HIST[ORY] ON" to enable History.

SQL> set hist on

SQL> show pdbs

SQL> select * from v$version;

SQL> select tablespace_name from dba_tablespaces;

SQL> alter session set container=cjcpdb01;

SQL> select * from tab;

SQL> hist

1 show pdbs

2 select * from v$version;

3 select tablespace_name from dba_tablespaces;

4 alter session set container=cjcpdb01;

5 select * from tab;

---重新执行第二条

SQL> hist 2 run

---编辑第二条

SQL> hist 2 edit

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Oracle 12C新特性-History命令