What is a nvl function?
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How can I combine multiple rows into a comma-delimited list in oracle?
What is an oracle tablespace?
How to fetch the row which has the max value for a column?
What is a table in oracle?
How to execute the package in oracle?
What do you mean by merge in oracle and how can we merge two tables?
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 indexing, and how does it improve performance?
What happens to the current transaction if the session is killed?
Can you create a synonym without having a table?
Explain overloading. Can functions be overloaded?
What is using clause and give example?