Tagged Questions

1
vote
0answers
64 views

Calling a function in remote database inside a stored procedure

There are 2 Oracle databases with pseudo names Remote and Local. I have a function in Remote called FUS.F_Return_10 which simply returns 10 for testing purposes, where FUS is a schema name. In Local I ...
4
votes
1answer
433 views

Oracle extract slow function call from a WHERE clause

I have an oracle table in which dates are stored as the number of minutes since a specific date. It looks something like this: CREATE TABLE MY_TABLE ( SOMETHING NUMBER(15,1) NOT NULL, ...
0
votes
1answer
335 views

Find ID columns with null value in oracle database

I need a way to iterate through all tables in tablespace "T_ECOS" and find all ID with null value in oracle database Any suggestion?
2
votes
1answer
226 views

Error on Oracle calling external procedures

I have a C library which should be called from a pl/sql function so I make a .so library and after that I create a pl/sql function to call it. the C source(libcprog.c) is like this: int exec_hmmftg ...
3
votes
1answer
3k views

Is commit necessary after DML operation in Function/Procedure?

I wonder to know if it is necessary to write commit after insert/delete/update in function/procedure? Example: create or replace function test_fun return number is begin delete from a; return ...
2
votes
2answers
1k views

What does NVL stand for?

What does NVL stand for? I'm talking about the Oracle and Informix (perhaps some others too) function used to filter out non NULL values from query results (similar to COALESCE in other databases).
3
votes
1answer
277 views

Why does it take a long time to drop a function based index in Oracle?

I have a function based index that takes 25 minutes to create on a table of 94 Million rows. When I drop the index, it takes 18 minutes. Why does it take so long? I would have thought the drop would ...