This is based on 10 based logarithm.
Syntax: log (10, value) -- here value must be greater than zero which is positive only.
Ex:
SQL> select log(10,100), log(10,2), log(10,1), log(10,null) from dual;
LOG(10,100) LOG(10,2) LOG(10,1) LOG(10,NULL)
--------------- ----------- ------------ -----------------
2 .301029996 0
LN (value) = LOG (EXP(1), value)
SQL> select ln(3), log(exp(1),3) from dual;
LN(3) LOG(EXP(1),3)
------- -----------------
Szia,
ReplyDeleteWhat you’re saying is absolutely correct SQL-log, 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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