How do I enable SQL *Plus Up and down arrow keys?
SQL*Plus, the primary interface to the Oracle Database server, provides a powerful yet easy-to-use environment for querying, defining, and controlling data. However, it does not support up and down arrow keys for command-line editing and history.
You need to use gqlplus is a drop-in replacement for sqlplus, an Oracle SQL client, for UNIX/Linux and UNIX-like platforms.
As you know if you have used sqlplus, it is notoriously difficult to correct typing errors and other mistakes in your SQL statements. sqlplus does give you ability to use external editor to edit a statement, but only the last statement you typed. gqlplus solves this problem by providing the familiar command-line editing and history as in tcsh or bash shells, and table/column-name completion, while otherwise retaining compatibility with sqlplus. Thus, no user training is needed - simply use gqlplus instead of sqlplus. In addition, configuration/installation is trivial: gqlplus is a single binary compiled executable (written in C), so all you need to do is download it and put it anywhere in your PATH. After that, you'll be ready to use it.
You can download here
Then install it as follows:
$ tar -zxvf gqlplus*
$ ./configure
$ make
# make install
To connect to Oracle server use it as follows:
$ gqplus "user/password"
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March 21st, 2006 at 9:35 am
Using rlwrap in conjunction with SQL*Plus is another solution on Linux. There is some info at http://dizwell.com/main/content/view/53/85/
Install rlwrap from your favorite rpm etc site and then alias sqlplus to use it:
alias sqlplus=’rlwrap sqlplus’