Answer Posted / rajender varma

Select num-rows from user-tables where table-name='emp'

Can we connect to ORACLE db using Windows Authentication?

1257

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What is a proxy class?

1053

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How would you change old and new values in an insert, delete and update triggers?

1022

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How to define and use table alias names in oracle?

943

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can anyody please send me the dump for Oracle 10g certifications for DBA path?

2122

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how to use select statement as formal parameter in procedure specification?(someone said that using string) ex:-procedure(a in number,select ename from emp ) i am asking syntax like this?

2008

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What are the different types of failures that occur in Oracle database?

1067

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Explain the use of record option in exp command.

1006

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You have 4 instances running on the same UNIX box. How can you determine which shared memory and semaphores are associated with which instance?

2008

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Can a parameter be passed to a cursor?

1126

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> CREATE OR REPLACE FUNCTION FACTORIAL_1(factstr varchar2 ) 2 RETURN NUMBER AS 3 new_str VARCHAR2(4000) := factstr||'*' ; 4 fact number := 1 ; 5 BEGIN 6 7 WHILE new_str IS NOT NULL 8 LOOP 9 fact := fact * TO_NUMBER(SUBSTR(new_str,1,INSTR(new_str,'*')-1)); 10 new_str := substr( new_str,INSTR(new_str,'*')+1); 11 END LOOP; 12 13 RETURN fact; 14 15 END; explanation Above program?

2031

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is there a tool to trace queries, like profiler for sql server?

1141

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What happens to the current transaction if the session is ended?

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List out the components of logical database structure of oracle database.

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What is object data modeling?

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