what is normalisation?what are its uses?
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What are triggers in oracle?
"primary key=unique+null" is equal,reson?not,reason?
What is partitioned table in Oracle?
> 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?
What is archive log in Oracle?
What is an oracle user role?
1. Display the post code and the purchase order number for each purchase order. Sort the output set by postcode.
what is difference between where clause and having clause?
Explain database link?
How to rename an index?
How can we Update a table with out using UPDATE command?
What the is the diff between local index and global index. give some example.