Two variables in the name of a table in the FROM clause.

Hello,
I ve got a problem making this work:
SELECT *
FROM tablename_YY_MM
(This is part of the script I need to use YY and MM in various tables)
I need to find a way so the script will ask me every time about the YY and MM
For example the current table name is "tablename_09_08" next month it will be "tablename_09_09"
It looks simple but I can't make it work. It seems to be a problem with concatanation || and the underscore _
Looks like it should be done with PL/SQL ?
If anyone can help it will be much appreciated.
Thank you.
Edited by: user1067236 on Aug 11, 2009 2:21 AM
Edited by: user1067236 on Aug 11, 2009 2:23 AM

Hi,
That's easy to do using substitution variables in SQL*Plus:
SELECT *
FROM tablename_&year_num._&month_num;Note the . after &year_num; it is necessary to indicate that the next _ is not part of the preceding name.
You can also use the SQL*Plus ACCEPT command to prompt the user for values, with a detailed message.
ACCEPT year_num PROMPT "Please enter year number (2 digits only, such as 09): "Edited by: Frank Kulash on Aug 11, 2009 5:29 AM

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Two variables in the name of a table in the FROM clause.

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