What is Java Pool in Oracle?
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What are the set operators union, union all, minus & intersect meant to do?
How does Oracle guarantee data integrity of data changes?
In my table i have 4 columns with 100 records but in that 4 columns one column contains all NULL values so can i add NOT NULL CONSTRAINT on that column......... ok if it is not possible, can i add NOT NULL CONSTRAINT from 101 Record Onwards?
how to find the n'th highest salary from emp ?
what is query and types of query
Hi all, Can any one give answer for this question. Suppose im having employee table with fields, eno, ename, dept, address1, address2, address3. In address field employee can fill only address1 or address2 or address3... at a time he can fill three address fields. now i want all employee names who filled only one address field.. Plz its urjent can any one give querry.. Thanks in advance.
What is the difference between 10g OEM and 11g OEM?
When system tablespace is created?
What are the types of partitions in oracle?
If a table column has is UNIQUE and has NOT NULL, is it equivalent to a PRIMARY KEY column?
How to manage transaction isolation level?
What are the different types of record groups in oracle? Explain each of them