Wednesday, November 19, 2008

REGARDING ORACLE DOUBTS

REGARDING ORACLE DOUBTS

when u loading data thru sqlldr, how can u fill the null characters of a column ?

why do u go for UNION ?

how can u update a table with ROWID column?

can we create a report without DATA BLOCK?

how can u remove duplicates from VALUE SET ?

from a flat file how do u differentiate between HEADER DATA and LINE DATA ?

how do u TUNE a query to run FAST ?

how do u execute SQLLDR in PL/SQL ?

is it possible a master-deatail relationship using a single table ?

will u mention the USERID and RESPID while loading data thru SQLLDR ?

No comments:

View My Stats