What is a system tablespace?
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1.how to extract the second highest salary from emp table having sal as a column which contains the salary of all employee of an organisation.
What is difference between UNIQUE constraint and PRIMARY KEY constraint ?
What is the data type of dual table?
How to create a table in a specific tablespace?
What is meant by a deadlock situation?
can anyody please send me the dump for Oracle 10g certifications for DBA path?
how many types of index?
Explain the difference between sap and oracle?
What is data file?
I have table-A(1,2,3)& table-B(3,4,5).what is the different b/w below questions? A union all B? B union all A?
Explain the use of tables option in exp command.
a query to select maxmun 3 salaries of employee table