Power is the ability to raise a value to a given exponent.
Syntax: power (value, exponent)
Example:
SQL>
select power(2,5), power(0,0), power(1,1), power(null,null), power(2,-5) from
dual;
POWER(2,5)
POWER(0,0) POWER(1,1) POWER(NULL,NULL) POWER(2,-5)
--------------
-------------- ---------------
-----------------------
---------------
32
1
1
.03125
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Hi Dayakar,
ReplyDeleteFully agree on SQL-Power. We’re seeing a lot of projects tackle big complex problems but few seem to have taken into consideration and in particular reasons to adopt.
I want to execute the different files at the run time in the SQL PLUS
Ex: I have two different files like ABC.SQL, XYZ.SQL,
I had declared one bind variable to hold file_name .
var file_name VARCHAR2(200);
DECLARE
sr VARCHAR2(20) :='ABC';
BEGIN
IF sr ='ABC' THEN
:file_name :='ABC.SQL';
ELSE
:file_name :='XYZ.SQL';
END IF;
END;
/
PRINT file_name
Now i want to execute the file which is there in :file_name bind variable
SQL>@:file_name
It was cool to see your article pop up in my google search for the process yesterday. Great Guide.
Keep up the good work!
Thanks,
Morgan
Szia,
ReplyDeleteWhat you’re saying is absolutely correct SQL-Power, but this isn’t the exact situation everywhere. Where most smart folk work on a project - why can’t you do this the Boss asks :).
I would much appreciate to get a sample of data travelling via these steps.
Source data to Staging server(tables) then PLSQL for data cleansing and transferring them to tbl_cleanABC or tbl_error_ABC. Checking the accuracy of data and finally PLSQL for loading to data warehouse.
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Gracias
Radhey
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