When we can declare a column as Unique and Not Null both at the same time. What is the use pf Primary Key then?
2 17935Dear All, Question for this Week Find out possible error(s) (either at compile time or at runtime) in the following PL/SQL block. State the reason(s) and correct the errors. Declare Cursor C1 is select ename, sal, comm from emp; Begin For i in C1 Loop If i.comm between 299 and 999 then Dbms_output.put_line(i.Ename || ‘ ** Good Commission’); Elsif i.comm > 999 then Dbms_output.put_line(i.Empno || ‘ ** Very Good Commission’); close C1; Else Dbms_output.put_line(i.Ename || ‘ ** ’ ||nvl(i.comm,‘O’)); End if; End Loop; End;
7 13126SQL Tuning, Oracle Server 10g: Why is the following hint invalid? SELECT /*+ first_rows parallel(table_name,paral_number)*/
1 10214wirte a query to filter improper date format follwing table? date 20-apr 22-may-2010 26-jun-2010 feb-2009 i want the output date 22-may-2010 26-jun-2010
6 16081Post New Accenture SQL PLSQL Interview Questions
For some transformers we are using solid neutral earthing while some others we are using resistance earthing why ?
Can you have more than one content canvas view attached with a window ?
I HAVE A PI ON COL A THE NEXT DAY I WANT CHANGE THE PI ON COL B? PLS SEND ME THE ANS
What is DAO?
what is data control language? : Sql dba
Why should pumping be not used in case of concreting works?
What is the main parts of jms applications?
Can we implement dealloc in arc? If yes, what is the need to do that?
How to find operating system information using the qtp script?
What is an administration server?
What do you know about routing in sap pp?
explain working principle of earth leakage relay
what are the usual adaptations of saprophytic plants like agaricus and ascobolus?
Distinguish between factory, service & provider?
What are the back slash character constants or escape sequence charactersavailable in c?