SQL commandline commands,SQL help,practise paper, edit previous queries

[lucky10101]

1>SQL command line commands:
Friends while practising in lab i have come across some SQL commands like save ,clr scr, sho user from my friends can anybody tell me or give the list of this commands


2>Help in SQL like Unix:
Dont we have anything like $man command in unix for SQL also.

3>Practise paper:
I have completed my SQL basic course and i want to be thorough with queries, so i want some practise paper suggest me a website or mail me some practise paper to luckyrathod.Forum@gmail.Com i will b thankfull for it.

4>Trace previously entered query:
In unix we use up arrow key to track previously entered command the same we cannot do in SQL, is there any way to edit previously entered few queries

[ales]

Please don't confuse SQL (a query language) and SQL*Plus (a tool).

1> See the SQL*Plus manual: http://download.oracle.com/docs/cd/B...b14357/toc.htm

2> No, we don't. See http://download.oracle.com/docs/cd/B...b14200/toc.htm

3> Tons of stuff on the net, just try to search it.

4> Install rlwrap: http://www.oracle-base.com/articles/linux/rlwrap.php