What is the disadvantage of User defind function?
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Differentiate between pre-select and pre-query?
Can any one explain me when i execute below query.. select months_between('07-JUL-12','10-FEB-12') from dual; Out put:- 4.90322581 How oracle calculate?
What are the set operators union, union all, minus & intersect meant to do?
What is the purpose of tables, private synonyms and public synonyms in Oracle?
Her departmandaki isçilerden empno' su ikinci sirada olan isçilerin empno, deptno, hiredate, sira_no bigilerini döndüren sorguyu yaziniz?
What are the differences between date and timestamp in oracle?
How to add a new column to an existing table with a default value?
What is the use of Control File ?
How to transfer database(500 gb) of oracle enterprise edition to standard edition downtime is only 1 hour not using exp/imp option ?
How to use "for" statements in oracle?
What is the order of defining local variables and sub procedures/functions?
what is difference between DBMS and RDBMS?