Answer / sathish

when ever we retrive the data according to the name based
(data type varchar2 )

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what is reindexing?

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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

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Explain a private synonyms?

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What is difference between UNIQUE constraint and PRIMARY KEY constraint ?

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