Explain an integrity constrains?
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Which environment variables are absolutely critical in order to run the OUI?
How to display row numbers with the records?
query to find the maximum no persons with same age(age colomn) from emp table
You have one employee table having 3 entries emp_id, Mgr_id and salary. Mgr_id is also referencing emp_id. so now find out the emp_id which are having the second highest salary, under a particular manager.
What is archive log in Oracle?
What is a partition in oracle?
What is the effect of setting the value "ALL_ROWS" for OPTIMIZER_GOAL parameter of the ALTER SESSION command ?
Explain the use of rows option in exp command.
What privilege is needed for a user to delete rows from tables in another schema?
What is tns entry?
How to create a new user account in oracle?
What is the difference between implicit index and explicit index?