definition of cluster and non-clustered index?
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How to define Data Block size ?
What is the function of Redo Log ?
which is the best training centre for learning oracle?
Can a View based on another View ?
What is a select query statement in oracle?
How to put more than 1000 values into an oracle in clause?
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Differentiate between pre-select and pre-query?
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sql query to get zero records from a table
Create table Employee ( Employee_Id varchar2(8) Constraint emp_id_pk primary key, FirstName varchar2(50), LastName varchar2(50), DeptID Number(5) Constraint dept_id_fk Foreign Key(DeptId) References Department(DeptId) ) Error I am getting: Constraint specification are not allowed here
what is the difference between UNION AND UNIONALL