What are the set operators union, union all, minus & intersect meant to do?


No Answer is Posted For this Question
Be the First to Post Answer

Post New Answer

More Oracle General Interview Questions

 How to use an oracle sequence generator in a mapping?

0 Answers   Informatica,


create or replace procedure show_tab_rec ( P_tab VARCHAR2 ) IS cmd varchar2(50); begin cmd := 'select * from '|| P_tab; for int in ( execute immediate cmd ) loop dbms_output.put_line ( int.ename||' '||int.deptno); end loop; end; when i m compling this procedure i m getting this error PLS-00103: Encountered the symbol "IMMEDIATE" when expecting one of the following: . ( ) , * @ % & | = - + < / > at in is mod remainder not range rem => .. <an exponent (**)> <> or != or ~= >= <= <> and or like LIKE2_ LIKE4_ LIKEC_ between || multiset member SUBMULTISET_ PLZ solve this error give this question answer asap Thanks advance.......

1 Answers   HCL,


how do get database name at sql prompt?

3 Answers  


How can windows applications connect to oracle servers?

0 Answers  


what is Single Byte Overhead...?

0 Answers  






Give SQL Query to find the number words in a sentence ? ex: 'ram charan singh' then ans:3

3 Answers  


Explain what are the characteristics of data files?

0 Answers  


what are pseudocolumns?

4 Answers  


How to get execution statistics reports on query statements?

0 Answers  


Explain the importance of .pll extension in oracle?

0 Answers  


How to turn on or off recycle bin for the session?

0 Answers  


How to see free space of each tablespace?

0 Answers  


Categories
  • Oracle General Interview Questions Oracle General (1789)
  • Oracle DBA (Database Administration) Interview Questions Oracle DBA (Database Administration) (261)
  • Oracle Call Interface (OCI) Interview Questions Oracle Call Interface (OCI) (10)
  • Oracle Architecture Interview Questions Oracle Architecture (90)
  • Oracle Security Interview Questions Oracle Security (38)
  • Oracle Forms Reports Interview Questions Oracle Forms Reports (510)
  • Oracle Data Integrator (ODI) Interview Questions Oracle Data Integrator (ODI) (120)
  • Oracle ETL Interview Questions Oracle ETL (15)
  • Oracle RAC Interview Questions Oracle RAC (93)
  • Oracle D2K Interview Questions Oracle D2K (72)
  • Oracle AllOther Interview Questions Oracle AllOther (241)