How do I reset a sequence in oracle?
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what is the difference between functional dependecy and multilevel dependency?
What is a table index 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 coalesce function?
What is the cache hit ratio, what impact does it have on performance of an Oracle database and what is involved in tuning it?
How to define Data Block size ?
What SQL query from v$session can you run to show how many sessions are logged in as a particular user account?
1. How actually index will work ? 2. Why do people prefer mostly bitmap index and btree index in datawarehouse ? 3. If I use the column in aggrigate functions like max,min,count and avg and if I have a index created on that column, will it increases the performance ?
Is oracle a language?
What is Database Trigger ?
How to insert a record into a table?
I creat Credit memo in AR. Now i want revers the Credit Memo.how you can revers that what out any aditional entry.