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 17803Dear 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 12923SQL Tuning, Oracle Server 10g: Why is the following hint invalid? SELECT /*+ first_rows parallel(table_name,paral_number)*/
1 10124wirte 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 15842Post New Accenture SQL PLSQL Interview Questions
Can .net framework components be used from a com program?
What is xslt mapping?
What are the Steps for Creating a Blade Template Layout ?
What are the different types of collections views being provided by the map interface? : java collections
Can to set up filters like I did in eudora?
Name different types of searches available in QlikView?
What is the difference between a check constraint and a rule?
What are the different types of fits? Explain
Explain with example the concept of constant variable in java.
tell us about your qualification?
Can a file other than a .h file be included with #include?
Is windows 7 still safe to use?
Define what is the difference between active and passive filters?
What is information model and why is it required?
What is heading tag and why it is used for?